中小学教育资源及组卷应用平台
专题10 单项选择100题（语法知识全梳理）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．Policemen found out the truth at last because they observed everything ________.
A．as careful as they could B．as more careful as they could
C．as carefully as they could D．as more carefully as they could
2．________ exciting the news is that our school football team has won the first prize!
A．What an B．What a C．How D．What
3．—I’m sorry I broke your mirror.
—________.
A．It doesn’t matter B．It’s OK with you C．I don’t care D．Don’t be sorry
4．—Why not buy a radio and learn English on the radio
—________
A．It doesn’t matter. B．Good idea. C．Thanks. D．No, thanks.
5．Mr. Black was late because he ________ his way.
A．loses B．losed C．lose D．lost
6．—Mum, I won the first place in the running race.
—________!
A．Have fun B．Good luck C．Best wishes D．Well done
7．— ________ did he move to his new flat
— Twelve years ago.
A．How long B．Where C．How far D．When
8．_______ exciting singing contest they had yesterday!
A．What B．How C．What an D．How an
9．_______ fine weather it is! Let’s have a picnic in the park and have fun together.
A．How B．What C．What a D．What an
10．As ________ university student, Lisa usually does some research for his teacher.
A．a B．an C．the D．/
11．Rita and her classmates ________ the Lucky Island at 6:15 p.m. tomorrow.
A．leave B．left C．will leave D．leaves
12．Dad warns Jim not to touch the expensive vase, or it ________ in pieces.
A．is B．was C．will be D．has been
13．There is a fork in one hand of mine and a knife in ________ one.
A．other B．another C．the other D．others
14．A robbery ________ place at the bank last night.
A．take B．took C．will take D．takes
15．My ambition is ________ a famous actor.
A．to be B．be C．being D．been
16．My mother is very careful about cleanliness. She ________ the bedding twice a month.
A．wash B．washes C．washed D．washing
17．Maggie is doing very well in her new school, so there is ________ to worry about.
A．something B．anything C．nothing D．everything
18．Some students are keen ________ drawing cartoon characters in their spare time.
A．with B．in C．on D．of
19．Mr. Li will arrive ________ the evening of October 1.
A．at B．in C．on D．/
20．Look at the sign. This is ________ one-way street.
A．a B．an C．the D．/
21．Betty enjoys playing ________ piano, but her brother enjoys playing ________ chess.
A．a, a B．the, the C．the, / D．/, the
22．Elon Musk, the founder(创立者)of the company SpaceX, is ________ unusual person.
A．a B．an C．the D．/
23．Suddenly, I found that my purse was ________.
A．go B．to go C．going D．gone
24．The single-engine plane landed at a dry lake in western Arizona. Which of the following is correct for the underlined word in the sentence
A．/pl n/ B．/pli:n/ C．/ple n/ D．/pla n/
25．Which of the following words matches the sound / k pt n/
A．carpet B．cartoon C．capital D．captain
26．The ceremony of 19th Asian Games was held __________ Sep. 23rd, 2023 in Hangzhou.
A．in B．on C．at D．to
27．Father looked ________ as soon as he saw his son’s report, for he failed in the English exam again.
A．happy B．happily C．angry D．angrily
28．The Chinese people mainly use chopsticks ________ knife and fork is sometimes used as well.
A．though B．because C．since D．so
29．This is a good novel. Each time you read it, you will find ________.
A．nothing new B．new nothing C．something new D．new something
30．In order to keep healthy, we should have as ________ junk food as possible.
A．a little B．little C．a few D．few
31．— Is Betty at home by herself
—No. There is ________ girl playing with her.
A．the other B．the others C．other D．another
32．________ great fun it is to go to visit Hongkong Disneyland!
A．What B．What a C．What an D．How
33．We will go shopping if it ________ tomorrow.
A．don’t rain B．didn’t rain C．doesn’t rain D．isn’t raining
34．The captain said that they would use the laser torch to ________ the cage.
A．go B．out of C．escape from D．left
35．— Why don’t we have an outing next week
— ________
A．Yes, please. B．No, thanks.
C．That’s a good idea. D．I’m sorry.
36．It is difficult for you to achieve anything __________ you work hard.
A．if B．when C．though D．unless
37．The TV is too loud. Please ________ .
A．turn it down B．to turn it down C．turn down it D．to turn down it
38．All of us were invited to go to their wedding ceremony last Friday. The underlined part means __________.
A．add B．allow C．attend D．assist
39．________ Jay comes, I will be very happy because I’m a big fan of him.
A．Until B．If C．So D．Although
40．With the teacher’s help, the girl works even ________.
A．hard B．more hardly C．harder D．hardest
41．—Have you been to Australia
—Yes, I ________ there with my family last year.
A．go B．went C．have been D．will go
42．John didn’t __________ the class meeting yesterday because he was ill.
A．attend B．join C．take part in D．join in
43．________ exciting it is to play Live Action Role Playing Games!
A．What B．What a C．What an D．How
44．Look, the light is on. He ________ be at home.
A．can B．must C．may D．can’t
45．My ambition is ________ a big company that deals with computers.
A．own B．owns C．to own D．owning
46．Take a careful look at the two pictures, __________ you’ll find several differences between them.
A．so B．and C．or D．but
47．You’d better ________ out at night alone. It is very dangerous.
A．go B．to go C．not go D．not to go
48．They all use black pens ________ articles. But we use computers.
A．write B．to write C．writing D．writes
49．Hi, Paul, can you ________ the word “sauerkraut” in your dictionary for me
A．look for B．look out C．look at D．look up
50．Two ________ were talking with students in the office when the fire happened.
A．woman teachers B．woman teacher
C．women teacher D．women teachers
51．I hope the new round of Israeli-Palestinian conflict (巴以冲突) ________ soon.
A．end B．will end C．to end D．ended
52．The manager saw the thief ________ from the shop quickly just now.
A．escaped B．escaping C．to escape D．escapes
53．Sue’s father told her ________ waste food.
A．not to B．don’t C．to not D．not
54．The students are very happy to help the sick in the hospital ________ the work there is hard and dirty.
A．though B．until C．if D．unless
55．It’s 11 o’clock at night. The scientist is still continuing _______ on the project.
A．working B．to working C．work D．worked
56．Many fans felt __________ when singing songs together at Wu Bai’s concert because it seemed as if they came back to the past.
A．exciting B．happily C．excited D．wonderfully
57．Last weekend, David ________ a visit to his grandparents in the countryside.
A．pays B．paid C．will pay D．has paid
58．Would you like to have ________ to drink
A．some B．something C．any D．anything
59．A: ________do you go to the English Corner to practise your oral English
B: On Saturdays.
A．How often B．How long C．What D．When
60．Steven Spielberg is one of __________ in the film industry in the world.
A．best directors B．the best director C．the top director D．the top directors
61．_________ it is midnight, Wendy is still working on her games.
A．Since B．Although C．Until D．If
62．Parents always expect their children __________ better than others, which is a source of worry.
A．behave B．behaving C．to behave D．to behaving
63．Little Sam ________ goes to school by bus. Sometimes, he rides a bicycle.
A．never B．seldom C．hardly D．usually
64．—________ did FIFA World Cup Qatar last
–—About 28 days.
A．How soon B．How long C．How far D．How often
65．Jack looked ________ when he knew he had failed again.
A．sadly B．sad C．happy D．happily
66．Some people think Gork is friendly while ________ think differently.
A．another B．other C．others D．the others
67．Shanghai is such a big city. There are over ________ people living in the city.
A．millions B．26 million C．26 million of D．millions of
68．Over __________ people watched the football match yesterday.
A．thousand of B．two thousand C．two thousands D．two thousands of
69．—Hello, Mr. Sharma. Did you just call in to ________ a theft
—Yes, I did. A middle-aged man stole my bag.
A．tell B．study C．experience D．report
70．—I think this washing machine looks much nicer than that one.
— ________. In my opinion, that one is better.
A．That’s a good idea B．I don’t agree
C．I think so, too D．No problem
71．If you don’t know the words, you can ________ in the dictionary.
A．deal with them B．deal them with C．look up them D．look them up
72．If you save ________ coins a day, you will be able to buy a mobile phone in a year.
A．a little B．little C．a few D．few
73．________ of the people in that city say they have seen UFOs.
A．Three-fifth B．Three-fifths C．Third-five D．Thirds-five
74．Alice, ________ me your homework, please. I’ll check it.
A．pass B．passes C．passed D．passing
75．My ambition is ________ to the most beautiful places in the world.
A．travelling B．to travel C．travels D．travel
76．— I’m terribly sorry for giving you so much trouble.
— ________.
A．That’s right B．That’s all right C．All right D．My pleasure
77．Father looked ________ as soon as he saw his son’s report, for he got As again.
A．happy B．happily C．angry D．angrily
78．There’s little ________ in the fridge. Let’s go and buy some for breakfast.
A．tomato B．potato C．egg D．milk
79．When I have problems with my maths, I usually turn to my friend for some ________.
A．advice B．suggestion C．idea D．point
80．Even the top students in our class can’t work out this problem, so it ________ be very difficult.
A．may B．must C．can D．need
81．Mr. and Mrs. Williams __________ in San Francisco since they returned to the USA．
A．had worked B．have worked C．work D．are working
82．If you don’t know the new words, you can ________ in a dictionary.
A．look them out B．look for them C．look them up D．look at them
83．Is there ________ on today’s Micro-blog
A．important anything B．anything important
C．important something D．something important
84．About ________ Kung-fu（功夫）lovers took part in the Second Traditional Wushu Festival in Henan.
A．hundreds of B．two hundreds of C．two hundred D．hundred of
85．Jane is a top student in our class. She achieves C in her subjects.
A．usually B．always C．sometimes D．never
86．This dress is a bit dirty, would you please change __________ one for me
A．others B．the other C．the others D．another
87．— Listen! Joyce is singing in the next room.
—It ________ be Joyce. She has gone to Europe.
A．must B．can C．mustn’t D．can’t
88．Did the monster give a roar that turned ________ blood into ice
A．you B．your C．yours D．yourself
89．Friends tend to be highly similar _________ one another.
A．as B．in C．to D．for
90．She is __________ university professor who is from London.
A．an B．a C．/
91．I enclosed a photo of ________ in my letter to my new pen-pal.
A．I B．my C．myself D．we
92．We were surprised to find a cat ________ by the door.
A．lie B．lay C．lying D．lain
93．Jason looks similar ________ his brother, Andy. It is difficult for me to tell the difference between them.
A．to B．of C．from D．with
94．They had great fun ________ the night of Christmas.
A．on B．in C．at D．of
95．Mrs Brown’s teaching style is similar __________ that of most other teachers.
A．for B．at C．from D．to
96．I enjoyed ________ rugby, golf and hockey when I studied in the primary school.
A．play the B．to play C．playing the D．playing
97．Tommy is ________ European and he studies in ________ university.
A．a, a B．an, a C．an, an D．a, an
98．Which of the following underlined parts is different in pronunciation from others
A．stared B．carried C．crossed D．turned
99．Yesterday is ________ unusual day, but today is ________ usual day.
A．a, a B．an, an C．an, a D．a, an
100．Which of the following underlined parts is different in pronunciation from others
A．Some dinosaurs were very fierce. B．He is of average height in class.
C．He silently walked into the house. D．Some of the dreams will be realized.
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21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
专题10 单项选择100题（语法知识全梳理）（详解版）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．Policemen found out the truth at last because they observed everything ________.
A．as careful as they could B．as more careful as they could
C．as carefully as they could D．as more carefully as they could
2．________ exciting the news is that our school football team has won the first prize!
A．What an B．What a C．How D．What
3．—I’m sorry I broke your mirror.
—________.
A．It doesn’t matter B．It’s OK with you C．I don’t care D．Don’t be sorry
4．—Why not buy a radio and learn English on the radio
—________
A．It doesn’t matter. B．Good idea. C．Thanks. D．No, thanks.
5．Mr. Black was late because he ________ his way.
A．loses B．losed C．lose D．lost
6．—Mum, I won the first place in the running race.
—________!
A．Have fun B．Good luck C．Best wishes D．Well done
7．— ________ did he move to his new flat
— Twelve years ago.
A．How long B．Where C．How far D．When
8．_______ exciting singing contest they had yesterday!
A．What B．How C．What an D．How an
9．_______ fine weather it is! Let’s have a picnic in the park and have fun together.
A．How B．What C．What a D．What an
10．As ________ university student, Lisa usually does some research for his teacher.
A．a B．an C．the D．/
11．Rita and her classmates ________ the Lucky Island at 6:15 p.m. tomorrow.
A．leave B．left C．will leave D．leaves
12．Dad warns Jim not to touch the expensive vase, or it ________ in pieces.
A．is B．was C．will be D．has been
13．There is a fork in one hand of mine and a knife in ________ one.
A．other B．another C．the other D．others
14．A robbery ________ place at the bank last night.
A．take B．took C．will take D．takes
15．My ambition is ________ a famous actor.
A．to be B．be C．being D．been
16．My mother is very careful about cleanliness. She ________ the bedding twice a month.
A．wash B．washes C．washed D．washing
17．Maggie is doing very well in her new school, so there is ________ to worry about.
A．something B．anything C．nothing D．everything
18．Some students are keen ________ drawing cartoon characters in their spare time.
A．with B．in C．on D．of
19．Mr. Li will arrive ________ the evening of October 1.
A．at B．in C．on D．/
20．Look at the sign. This is ________ one-way street.
A．a B．an C．the D．/
21．Betty enjoys playing ________ piano, but her brother enjoys playing ________ chess.
A．a, a B．the, the C．the, / D．/, the
22．Elon Musk, the founder(创立者)of the company SpaceX, is ________ unusual person.
A．a B．an C．the D．/
23．Suddenly, I found that my purse was ________.
A．go B．to go C．going D．gone
24．The single-engine plane landed at a dry lake in western Arizona. Which of the following is correct for the underlined word in the sentence
A．/pl n/ B．/pli:n/ C．/ple n/ D．/pla n/
25．Which of the following words matches the sound / k pt n/
A．carpet B．cartoon C．capital D．captain
26．The ceremony of 19th Asian Games was held __________ Sep. 23rd, 2023 in Hangzhou.
A．in B．on C．at D．to
27．Father looked ________ as soon as he saw his son’s report, for he failed in the English exam again.
A．happy B．happily C．angry D．angrily
28．The Chinese people mainly use chopsticks ________ knife and fork is sometimes used as well.
A．though B．because C．since D．so
29．This is a good novel. Each time you read it, you will find ________.
A．nothing new B．new nothing C．something new D．new something
30．In order to keep healthy, we should have as ________ junk food as possible.
A．a little B．little C．a few D．few
31．— Is Betty at home by herself
—No. There is ________ girl playing with her.
A．the other B．the others C．other D．another
32．________ great fun it is to go to visit Hongkong Disneyland!
A．What B．What a C．What an D．How
33．We will go shopping if it ________ tomorrow.
A．don’t rain B．didn’t rain C．doesn’t rain D．isn’t raining
34．The captain said that they would use the laser torch to ________ the cage.
A．go B．out of C．escape from D．left
35．— Why don’t we have an outing next week
— ________
A．Yes, please. B．No, thanks.
C．That’s a good idea. D．I’m sorry.
36．It is difficult for you to achieve anything __________ you work hard.
A．if B．when C．though D．unless
37．The TV is too loud. Please ________ .
A．turn it down B．to turn it down C．turn down it D．to turn down it
38．All of us were invited to go to their wedding ceremony last Friday. The underlined part means __________.
A．add B．allow C．attend D．assist
39．________ Jay comes, I will be very happy because I’m a big fan of him.
A．Until B．If C．So D．Although
40．With the teacher’s help, the girl works even ________.
A．hard B．more hardly C．harder D．hardest
41．—Have you been to Australia
—Yes, I ________ there with my family last year.
A．go B．went C．have been D．will go
42．John didn’t __________ the class meeting yesterday because he was ill.
A．attend B．join C．take part in D．join in
43．________ exciting it is to play Live Action Role Playing Games!
A．What B．What a C．What an D．How
44．Look, the light is on. He ________ be at home.
A．can B．must C．may D．can’t
45．My ambition is ________ a big company that deals with computers.
A．own B．owns C．to own D．owning
46．Take a careful look at the two pictures, __________ you’ll find several differences between them.
A．so B．and C．or D．but
47．You’d better ________ out at night alone. It is very dangerous.
A．go B．to go C．not go D．not to go
48．They all use black pens ________ articles. But we use computers.
A．write B．to write C．writing D．writes
49．Hi, Paul, can you ________ the word “sauerkraut” in your dictionary for me
A．look for B．look out C．look at D．look up
50．Two ________ were talking with students in the office when the fire happened.
A．woman teachers B．woman teacher
C．women teacher D．women teachers
51．I hope the new round of Israeli-Palestinian conflict (巴以冲突) ________ soon.
A．end B．will end C．to end D．ended
52．The manager saw the thief ________ from the shop quickly just now.
A．escaped B．escaping C．to escape D．escapes
53．Sue’s father told her ________ waste food.
A．not to B．don’t C．to not D．not
54．The students are very happy to help the sick in the hospital ________ the work there is hard and dirty.
A．though B．until C．if D．unless
55．It’s 11 o’clock at night. The scientist is still continuing _______ on the project.
A．working B．to working C．work D．worked
56．Many fans felt __________ when singing songs together at Wu Bai’s concert because it seemed as if they came back to the past.
A．exciting B．happily C．excited D．wonderfully
57．Last weekend, David ________ a visit to his grandparents in the countryside.
A．pays B．paid C．will pay D．has paid
58．Would you like to have ________ to drink
A．some B．something C．any D．anything
59．A: ________do you go to the English Corner to practise your oral English
B: On Saturdays.
A．How often B．How long C．What D．When
60．Steven Spielberg is one of __________ in the film industry in the world.
A．best directors B．the best director C．the top director D．the top directors
61．_________ it is midnight, Wendy is still working on her games.
A．Since B．Although C．Until D．If
62．Parents always expect their children __________ better than others, which is a source of worry.
A．behave B．behaving C．to behave D．to behaving
63．Little Sam ________ goes to school by bus. Sometimes, he rides a bicycle.
A．never B．seldom C．hardly D．usually
64．—________ did FIFA World Cup Qatar last
–—About 28 days.
A．How soon B．How long C．How far D．How often
65．Jack looked ________ when he knew he had failed again.
A．sadly B．sad C．happy D．happily
66．Some people think Gork is friendly while ________ think differently.
A．another B．other C．others D．the others
67．Shanghai is such a big city. There are over ________ people living in the city.
A．millions B．26 million C．26 million of D．millions of
68．Over __________ people watched the football match yesterday.
A．thousand of B．two thousand C．two thousands D．two thousands of
69．—Hello, Mr. Sharma. Did you just call in to ________ a theft
—Yes, I did. A middle-aged man stole my bag.
A．tell B．study C．experience D．report
70．—I think this washing machine looks much nicer than that one.
— ________. In my opinion, that one is better.
A．That’s a good idea B．I don’t agree
C．I think so, too D．No problem
71．If you don’t know the words, you can ________ in the dictionary.
A．deal with them B．deal them with C．look up them D．look them up
72．If you save ________ coins a day, you will be able to buy a mobile phone in a year.
A．a little B．little C．a few D．few
73．________ of the people in that city say they have seen UFOs.
A．Three-fifth B．Three-fifths C．Third-five D．Thirds-five
74．Alice, ________ me your homework, please. I’ll check it.
A．pass B．passes C．passed D．passing
75．My ambition is ________ to the most beautiful places in the world.
A．travelling B．to travel C．travels D．travel
76．— I’m terribly sorry for giving you so much trouble.
— ________.
A．That’s right B．That’s all right C．All right D．My pleasure
77．Father looked ________ as soon as he saw his son’s report, for he got As again.
A．happy B．happily C．angry D．angrily
78．There’s little ________ in the fridge. Let’s go and buy some for breakfast.
A．tomato B．potato C．egg D．milk
79．When I have problems with my maths, I usually turn to my friend for some ________.
A．advice B．suggestion C．idea D．point
80．Even the top students in our class can’t work out this problem, so it ________ be very difficult.
A．may B．must C．can D．need
81．Mr. and Mrs. Williams __________ in San Francisco since they returned to the USA．
A．had worked B．have worked C．work D．are working
82．If you don’t know the new words, you can ________ in a dictionary.
A．look them out B．look for them C．look them up D．look at them
83．Is there ________ on today’s Micro-blog
A．important anything B．anything important
C．important something D．something important
84．About ________ Kung-fu（功夫）lovers took part in the Second Traditional Wushu Festival in Henan.
A．hundreds of B．two hundreds of C．two hundred D．hundred of
85．Jane is a top student in our class. She achieves C in her subjects.
A．usually B．always C．sometimes D．never
86．This dress is a bit dirty, would you please change __________ one for me
A．others B．the other C．the others D．another
87．— Listen! Joyce is singing in the next room.
—It ________ be Joyce. She has gone to Europe.
A．must B．can C．mustn’t D．can’t
88．Did the monster give a roar that turned ________ blood into ice
A．you B．your C．yours D．yourself
89．Friends tend to be highly similar _________ one another.
A．as B．in C．to D．for
90．She is __________ university professor who is from London.
A．an B．a C．/
91．I enclosed a photo of ________ in my letter to my new pen-pal.
A．I B．my C．myself D．we
92．We were surprised to find a cat ________ by the door.
A．lie B．lay C．lying D．lain
93．Jason looks similar ________ his brother, Andy. It is difficult for me to tell the difference between them.
A．to B．of C．from D．with
94．They had great fun ________ the night of Christmas.
A．on B．in C．at D．of
95．Mrs Brown’s teaching style is similar __________ that of most other teachers.
A．for B．at C．from D．to
96．I enjoyed ________ rugby, golf and hockey when I studied in the primary school.
A．play the B．to play C．playing the D．playing
97．Tommy is ________ European and he studies in ________ university.
A．a, a B．an, a C．an, an D．a, an
98．Which of the following underlined parts is different in pronunciation from others
A．stared B．carried C．crossed D．turned
99．Yesterday is ________ unusual day, but today is ________ usual day.
A．a, a B．an, an C．an, a D．a, an
100．Which of the following underlined parts is different in pronunciation from others
A．Some dinosaurs were very fierce. B．He is of average height in class.
C．He silently walked into the house. D．Some of the dreams will be realized.
参考答案：
1．C
【详解】句意：警察们尽可能仔细地观察了一切，最终发现了真相。
考查副词原级。根据“they observed everything”可知，需要副词修饰动词，as...as中间用原级。故选C。
2．C
【详解】句意：我们学校足球队得了一等奖，这消息多么令人兴奋啊！
考查感叹句。根据“the news is”可知，exciting作表语，结合How+adj.+主谓，how符合句意，故选C。
3．A
【详解】句意：——对不起，我打碎了你的镜子。——没关系。
考查情景交际。It doesn’t matter没关系；It’s OK with you你觉得没问题的话；I don’t care我不关心；Don’t be sorry别感到抱歉。根据“I’m sorry I broke your mirror”可知，对于对方的道歉应表示“没关系”，故选A。
4．B
【详解】句意：——为什么不买一台收音机，在收音机里学英语呢？——好主意。
考查情景交际。It doesn’t matter没关系；Good idea好主意；Thanks谢谢；No, thanks不，谢谢。根据“Why not buy a radio”可知，对于对方提出的建议应表示“好主意”，故选B。
5．D
【详解】句意：布莱克先生迟到了，因为他迷路了。
考查时态。根据“was”可知，是一般过去时，动词用过去式，lose的过去式是lost。故选D。
6．D
【详解】句意：——妈妈，我赢得了跑步比赛的第一名。——做得好！
考查情景交际。Have fun玩得愉快；Good luck祝好运；Best wishes最好的祝福；Well done做得好。对方比赛得了第一名，应受到表扬，Well done符合语境，故选D。
7．D
【详解】句意：——他什么时候搬到新公寓的？——12年前。
考查特殊疑问句。how long多久；where哪里；how far多远；when何时。根据“Twelve years ago”可知，对时间提问用when，故选D。
8．C
【详解】句意：他们昨天举行了多么令人兴奋的歌唱比赛啊！
考查感叹句。本句中心词为contest，是可数名词单数，符合结构“What+a/an+形容词+可数名词单数+主谓！”。故选C。
9．B
【详解】句意：多好的天气啊！让我们去公园野餐一起玩得开心吧。
考查感叹句。感叹句式“what+不定冠词+形容词+单数可数名词+主谓”；“what+形容词+复数可数名词+主谓”；“what+形容词+不可数名词+主谓”；“How+形容词或副词+主谓”！空格在“形容词+不可数名词”前，判断用“what+形容词+不可数名词+主谓”；故选B。
10．A
【详解】句意：作为一名大学生，丽莎经常为她的老师做一些研究。
考查冠词。此处泛指“一名大学生”，且“university”以辅音音素开头，应用不定冠词a修饰。故选A。
11．C
【详解】句意：丽塔和她的同学将在明天下午6:15离开幸运岛。
考查动词时态。根据tomorrow可知，此句是一般将来时will do的结构，故选C。
12．C
【详解】句意：爸爸警告吉姆不要碰那个昂贵的花瓶，否则它会摔成碎片的。
考查动词时态。根据“or”表示“否则”可知，假设的事情还没有发生，应用一般将来时，故选C。
13．C
【详解】句意：我一只手拿着叉子，另一只手拿着刀。
考查代词辨析。other其他的，后接复数名词；another另一个（三者以上）；the other另一个（两者之间）；others其他的人或物。one…the other“一个……另一个……”，固定搭配，故选C。
14．B
【详解】句意：昨晚银行发生了一起抢劫案。
考查动词时态。根据last night可知，此句是一般过去时，动词用过去式，故选B。
15．A
【详解】句意：我的志向是成为一名著名的演员。
考查非谓语动词。根据“ambition”和“a famous actor”可知，此处是动词不定式to be，作表语。故选A。
16．B
【详解】句意：我妈妈很注意清洁。她一个月洗两次床上用品。
考查时态。根据时间状语“twice a month”可知，本句应用一般现在时，主语she是第三人称单数，此处动词应用三单形式，故选B。
17．C
【详解】句意：Maggie在她的学校正做得非常好，所以没有什么可担心的。
考查代词辨析。something某事；anything任何事；nothing没有什么；everything每件事。根据“Maggie is doing very well in her new school”可知应是没有什么可担心的，故选C。
18．C
【详解】句意：有些学生在业余时间喜欢画卡通人物。
考查形容词短语。with和；in在……里；on关于；of……的。be keen on“热衷于”，固定搭配，故选C。
19．C
【详解】句意：李先生将在10月1日晚上到达。
考查介词辨析。at多用在具体时间点前；in多用在早中晚，月份，季节，年份等前；on多用在具体某一天或具体某一天的上午下午晚上前；/不填。“the evening of October 1”是具体的一天的晚上，用时间介词on。故选C。
20．A
【详解】句意：看这个标志。这是一条单行道。
考查冠词辨析。此处表示“一条单行道”，表泛指，且one是以辅音音素开头的，故选A。
21．C
【详解】句意：贝蒂喜欢弹钢琴，但她哥哥喜欢下棋。
考查冠词辨析。演奏西洋乐器类前加the，棋类前不加任何冠词。play the piano“弹钢琴”，play chess“下棋”，故选C。
22．B
【详解】句意：Elon Musk，SpaceX公司的创始人，是一个不同寻常的人。
考查冠词辨析。a/an不定冠词，表示泛指，a用在以辅音音素开头的单词前，an用在以元音音素开头的单词前；the定冠词，表示特指或前面提到过的人或物。根据“is … unusual person”可知，此处表示泛指，unusual是以元音音素开头的单词，要用不定冠词an。故选B。
23．D
【详解】句意：突然，我发现我的钱包不见了。
考查形容词。空前有be动词，空处应用形容词作表语，gone表示“不见的”，符合语境，故选D。
24．C
【详解】句意：这架单引擎飞机降落在亚利桑那州西部一个干涸的湖上。下列哪个选项对句子中划线的单词是正确的？
考查单词的读音。plane/ple n/，意为“飞机”，故选C。
25．D
【详解】句意：下面哪个单词和这个读音/ k pt n/匹配？
考查单词读音。carpet/ kɑ p t/；cartoon/kɑ tu n/；capital/ k p t( )l/；captain/ k pt n/。结合四个单词的读音可知，D选项的单词读音是/ k pt n/，故选D。
26．B
【详解】句意：2023年9月23日，第19届亚运会开幕式在杭州举行。
考查介词辨析。in后接年、月等较长的一段时间；on后接具体的某一天；at后接具体的时间点；to到某处。空格后为“Sep. 23rd, 2023”，是具体的一天，前应用介词on。故选B。
27．C
【详解】句意：父亲一看到儿子的报告就生气了，因为他英语考试又没及格。
考查形容词的辨析和用法。happy快乐的，形容词；happily快乐地，副词；angry生气的，形容词；angrily生气地，副词。系动词look后接形容词作表语，排除B和D；根据“he failed in the English exam again.”可知，儿子考试又没及格，所以父亲很生气。故选C。
28．A
【详解】句意：虽然有时也使用刀叉，中国人主要使用筷子。
考查连词辨析。though虽然；because因为；since自从；so所以。分析两个句子可知，前后两句是转折关系，故用though引导让步状语从句。故选A。
29．C
【详解】句意：这是一部好小说。每次你读它，你都会发现新的东西。
考查不定代词及定语后置。nothing没什么；something某事；new新的。根据“This is a good novel.”可知，此处是指每次读它都会发现新的东西，因此不定代词用something；形容词修饰不定代词，需要放在不定代词后面。故选C。
30．B
【详解】句意：为了保持健康，我们应该尽可能少吃垃圾食品。
考查不定代词辨析。a little一点，修饰不可数名词；little几乎没有，修饰不可数名词；a few几个，修饰可数名词复数；few几乎没有，修饰可数名词复数。根据“we should have as...junk food as possible”可知是尽可能少吃垃圾食品，修饰不可数名词junk food用little。故选B。
31．D
【详解】句意：——贝蒂一个人在家吗？——不。有另一个女孩在和她玩。
考查代词辨析。the other特指两者中的另一个；the others余下的全部人或物；other其他的，后常接复数名词；another泛指三者及以上的另一个。此处修饰单数名词“girl”，且表泛指，应用another。故选D。
32．A
【详解】句意：去香港迪士尼乐园是多么有趣啊！
考查感叹句。空后“fun”表示“乐趣”，不可数名词，用感叹句“What+形容词+不可数名词+主语+谓语！”。故选A。
33．C
【详解】句意：如果明天不下雨，我们就去购物。
考查条件状语从句的主将从现。根据“if it…tomorrow”可知该句为if引导的条件状语从句，遵循“主将从现”原则，主句采用一般将来时，从句采用一般现在时。从句主语it为第三人称单数，助动词应用does，其否定式为doesn’t。故选C。
34．C
【详解】句意：船长说他们要用激光手电筒从笼子里逃出来。
考查词义辨析。go去；out of离开；escape from从……逃脱；left离开。use sth to do sth“用某物做某事”，此空应填动词原形，排除B和D选项。go是不及物动词，要与介词一起搭配才可以接宾语，排除A，故选C。
35．C
【详解】句意：——为什么我们下周不去外出游玩呢？——好主意。
考查情景交际。Yes, please是的，请；No, thanks不，谢谢；That’s a good idea那是一个好主意；I’m sorry我很抱歉。根据语境“Why don’t we have an outing next week ”可知，这是一个表示建议的句型，对于建议表示同意，故选C。
36．D
【详解】句意：除非你努力工作，否则你很难取得任何成就。
考查连词。if如果；when当…时候；though尽管；unless除非。根据“It is difficult for you to achieve anything…you work hard.”可知，此处表示除非你努力工作，否则你很难取得任何成就。故选D。
37．A
【详解】句意：电视声音太大了，请将音量调低。
考查动词短语。结合句意，空出应表示“调低音量”，turn down“调低音量”；由“Please”可知本句为祈使句，用动词原形；分析句子可知，前文已经提到过“TV”，故后文可用“it”来代替；“动词 + 副词”结构的短语在使用时，要将代词放在两者中间。故选A。
38．C
【详解】句意：上周五，我们所有人都被邀请去参加他们的婚礼。划线部分表示“参加”。
考查动词辨析。add增加；allow允许；attend参加；assist帮助。根据“were invited to go to their wedding ceremony”可知，被邀请参加婚礼，go to“参加，出席”，与C选项同义。故选C。
39．B
【详解】句意：如果Jay来的话，我会很高兴，因为我是他的超级粉丝。
考查连词。Until直到……才；If如果；So所以；Although虽然。根据句意可知，“I will be very happy”是“Jay comes”假设条件的结果，所以用if引导条件状语从句。故选B。
40．C
【详解】句意：在老师的帮助下，这个女孩学习更努力了。
考查副词辨析以及比较级的用法。hard努力地；harder更努力，比较级；hardest最努力，最高级；more hardly错误表达。根据“the girl works even”可知，此处指学习更努力了，even修饰比较级，故选C。
41．B
【详解】句意：——你去过澳大利亚吗 ——是的，我去年和我的家人去的。
考查时态。根据句中的时间“last year”可知，句子应用一般过去时，go的过去式是went，故选B。
42．A
【详解】句意：约翰昨天没有参加班会，因为他病了。
考查动词辨析。attend出席、参加、上课；join加入（表示加入某个政党、团体、组织等，并成为其中的成员）；take part in参加（指“参加”会议、考试、竞赛或群众性活动，重在说明句子主语参加该项活动并在其中发挥作用）；join in参加（某项运动或活动）。结合语境可知，此处应是上班会课。故选A。
43．D
【详解】句意：玩真人角色扮演游戏是多么令人兴奋啊！
考查how引导的感叹句。根据标点符号及句子结构可知，该句是个感叹句，句中的形式主语it代替动词不定式to play Live Action Role Playing Games。主语it前是形容词“exciting”，所以要用how来引导，构成“How +形容词+主语+谓语！”故选D。
44．B
【详解】句意：看，灯亮着。他一定在家。
考查情态动词辨析。can能够；must一定；may可能；can’t不可能。根据“Look, the light is on”可知，十分有把握地推测他一定在家，应填must，故选B。
45．C
【详解】句意：我的志向是拥有一家经营电脑的大公司。
考查非谓语动词。own拥有。本句谓语动词是“is”，后面缺少表语成分，“to own a big company that deals with computers”为不定式结构作表语，补充说明主语“My ambition”的内容。故选C。
46．B
【详解】句意：仔细看这两张照片，你会发现它们之间有几个区别。
考查并列连词。so因此（表结果）；and和（表顺承）；or或者（表选择）；but但是（表转折）。根据语境可知，看照片，找不同，此处应是表示动作的承接。故选B。
47．C
【详解】句意： 你晚上最好不要一个人出去。这是非常危险的。
考查had better用法。had better (not) do sth“最好（不）做某事”，根据“It is very dangerous”可知，晚上最好不要一个人出去。故选C。
48．B
【详解】句意：他们都用黑色钢笔写文章。但是我们使用电脑。
考查非谓语动词。由句子中的use可知，这里用到短语use sth to do“用……做某事”。故选B。
49．D
【详解】句意：嗨，Paul，你能帮我在字典里查一下“酸菜”这个词吗？
考查动词短语辨析。look for寻找；look out小心；look at看；look up查询。根据“the word ‘sauerkraut’ in your dictionary”可知，在字典里查询生词，故选D。
50．D
【详解】句意：当火灾发生的时候，两个女老师正在办公室和学生说话。
考查复合名词的复数变化。一般情况下，两个名词并列，只在最后一个名词上变复数；但是当第一个名词是男或者女的时候，前后两个名词都变复数。woman复数是women。故选D。
51．B
【详解】句意：我希望新一轮巴以冲突早日结束。
考查宾语从句。根据“I hope the new round of Israeli-Palestinian conflict (巴以冲突)...soon.”可知，“the new round of Israeli-Palestinian conflict (巴以冲突)...soon”是宾语从句，而主句是一般现在时，结合soon，此时宾语从句应用一般将来时，谓语结构是will do。故选B。
52．B
【详解】句意： 经理刚才看见小偷很快地从商店里逃了出来。
考查非谓语。see sb doing sth“看到某人在做某事”，是固定搭配，故选B。
53．A
【详解】句意：苏的父亲告诉她不要浪费食物。
考查非谓语动词。tell sb not to do sth“告诉某人不要做某事”，故选A。
54．A
【详解】句意：尽管医院的工作又苦又脏，学生们还是很乐意帮助病人。
考查从属连词辨析。though尽管，即使；until直到；if如果；unless除非。根据“the work there is hard and dirty”可知，尽管医院的工作又苦又脏，学生们还是很乐意帮助病人，应用though引导让步状语从句。故选A。
55．A
【详解】句意：现在是晚上11点。这位科学家仍在继续研究这个项目。
考查非谓语动词。continue doing sth.“继续做某事”，继续做同一件事；continue to do sth“继续做另一件事”。根据“It’s 11 o’clock at night. The scientist is still continuing...”可知是做同一件事。故选A。
56．C
【详解】句意：很多歌迷在伍佰的演唱会上一起唱歌时感到很兴奋，因为他们好像回到了过去。
考查形容词和副词辨析。exciting激动人心的，修饰物；happily高兴地，副词；excited激动的，兴奋的，形容人的感受；wonderfully极好地，副词。根据“because it seemed as if they came back to the past.”可知，他们感到很兴奋；felt是连系动词，后面要跟形容词，用excited。故选C。
57．B
【详解】句意：上周末，大卫去农村看望了他的祖父母。
考查动词时态。根据“Last weekend”可知，时态为一般过去时，动词应用过去式。故选B。
58．B
【详解】句意：你想喝点什么吗？
考查代词辨析。some一些；something某物；any任何；anything任何东西。此空作动词have的宾语，应填复合不定代词，表示请求的疑问句应填something，故选B。
59．D
【详解】句意：A：你什么时候去英语角练习你的英语口语？
B：在星期六。
考查特殊疑问句。How often多久一次，对频率提问；How long多长时间，对时间段提问；What什么，对事物提问；When什么时候，对时间提问。根据“On Saturdays”可知，此处对时间提问，用疑问词when，故选D。
60．D
【详解】句意：史蒂文·斯皮尔伯格是世界电影界的顶级导演之一。
考查最高级和名词的复数。由“…one of...”可知，此处可考查“one of the +形容词最高级+名词复数”结构，排除A和B；top（位置、级别或程度）最高的，第一流的，形容词，one of the top后也应接名词复数，因此排除C；one of the top directors意为“顶级导演之一”。故选D。
61．B
【详解】句意：尽管已经半夜，Wendy仍然在做她的游戏。
考查从属连词词义辨析。Since自从，引导时间状语从句；Although虽然，尽管，引导让步状语从句；Until直到，引导时间状语从句；If如果，引导条件状语从句。分析语境可知，前半句是一个让步状语从句，空处表示“虽然，尽管”。故选B。
62．C
【详解】句意：父母总是期望自己的孩子表现得比别人好，这是一个令人担忧的来源。
考查动词不定式。短语expect sb to do sth“期待某人做某事”，behave“表现”。故选C。
63．D
【详解】句意：小山姆通常乘公共汽车上学。有时，他骑自行车。
考查副词辨析。never从不；seldom很少，不常；hardly几乎不；usually通常。根据“Sometimes, he rides a bicycle.”可知，前句介绍的是通常的情况，应用usually，故选D。
64．B
【详解】句意：——卡塔尔世界杯持续了多长时间？——约28天。
考查特殊疑问句。How soon多久；How long多长时间；How far多远；How often多久一次。根据“About 28 days.”可知是询问时间段，故选B。
65．B
【详解】句意：当他知道他又失败了，杰克看起来很伤心。
考查形容词作表语。sadly悲伤地，副词；sad伤心的，形容词；happy高兴的，形容词；happily高兴地，副词。looked为感官动词，后接形容词作表语。根据“when he knew he had failed again”可知，他失败了应是感到伤心。故选B。
66．C
【详解】句意：一些人认为高克是一个友好的人，而另一些人则不这么认为。
考查代词辨析。another另一个（三者以上）；other其他的，后接复数名词；others其他的人或物；the others其他的人或物。some…others…一些……另一些……，固定搭配，故选C。
67．B
【详解】句意：上海是一个很大的城市。有超过2600万人居住在这个城市。
考查数词用法。million的常见搭配有：“基数词+million”表示具体的数量；millions of“数以百万计的”。结合空前over可知此处用26 million表示具体的数。故选B。
68．B
【详解】句意：昨天有两千多人观看了足球比赛。
考查thousand的用法。前面有具体数时，不能加s，或者thousands of“成千上万”，表示概数。本题前面有具体数。故选B。
69．D
【详解】句意：——你好，夏尔马先生。你刚打电话来报失窃吗？——是的，我是。一个中年男人偷了我的包。
考查动词辨析。tell告诉；study学习；experience经历；report报告，举报。根据“Did you just call in to ... a theft ”及“A middle-aged man stole my bag.”可知，是打电话报失窃案，用report表示。故选D。
70．B
【详解】句意：——我觉得这台洗衣机比那台好看多了。——我不同意。在我看来，那台更好。
考查情景交际。That’s a good idea那是个好主意；I don’t agree我不同意；I think so, too我也这么认为；No problem没问题。根据“In my opinion, that one is better.”可知，“我”认为那台洗衣机比这台洗衣机更好看，这是不同意对方的观点，应用“I don’t agree”。故选B。
71．D
【详解】句意：如果你不认识这些单词，你可以在字典里查一下。
考查动词短语。deal with处理；look up查找，查阅。根据“you can...in the dictionary.”可知是指查字典，应用look up，是一个动副短语，跟代词作宾语时，代词只能放在中间。故选D。
72．C
【详解】句意：如果你每天存几个硬币，一年之内你就能买一部手机。
考查代词辨析。a little有一点，修饰不可数名词；little几乎没有，修饰不可数名词；a few有一点，修饰可数名词复数；few几乎没有，修饰可数名词复数。此处修饰可数名词复数coins，排除AB；结合“you will be able to buy a mobile phone in a year”可知，此处表示肯定含义。故选C。
73．B
【详解】句意：在那个城市五分之三的人说他们曾经见过不明飞行物。
考查分数表达法。分数表达法是分子为基数词，分母为序数词，分子大于等于2时候，分母变复数，故选B。
74．A
【详解】句意：艾丽斯，请把作业递给我。我去查一下。
考查祈使句。此句动词在句首，且句中无其他动词，语气表请求，是祈使句，需用动词原形。故选A。
75．B
【详解】句意：我的志向是去世界上最美丽的地方旅行。
考查非谓语动词。根据“My ambition is....to the most beautiful places”可知应用动词不定式作表语，表示主语的内容和目的。故选B。
76．B
【详解】句意：——非常抱歉给你添了这么多麻烦。——没关系。
考查情景交际。That’s right没错，对；That’s all right没关系；All right好，行；My pleasure我的荣幸。根据“I’m terribly sorry”可知，对于别人的道歉应表示“没关系”。故选B。
77．A
【详解】句意：父亲一看到儿子的成绩单就很高兴，因为他又考了A。
考查词义辨析。happy开心的；happily开心地；angry愤怒的；angrily愤怒地。根据“for he got As again.”可知看到了儿子又得了A，所以很开心，look是系动词，后加形容词作表语。故选A。
78．D
【详解】句意：冰箱里几乎没有牛奶。我们去买些作为早餐吧。
考查名词辨析。tomato西红柿，可数名词；potato土豆，可数名词；egg鸡蛋，可数名词； milk牛奶，不可数名词。根据空格前修饰词little可知空格处用不可数名词，little 意为“几乎没有，很少”，修饰不可数名词。故选D。
79．A
【详解】句意：当我数学有问题时候，我通常向我的朋友寻求建议。
考查名词。advice建议，不可数名词；suggestion建议，可数名词；idea想法；point观点。根据语境“When I have problems with my maths, I usually turn to my friend for some...”可知，数学题不会时候，会向别人寻求“建议”，A是不可数名词，BCD都是可数名词，放在“some”后要加复数，只有A是不可数名词，放在“some”后无需变复数，故选A。
80．B
【详解】句意：即使我们班的尖子生也解不出这道题，所以这道题一定很难。
考查情态动词辨析。may可能；must一定；can能够；need需要。根据“Even the top students in our class can’t work out this problem”可知，连尖子生都解不出的题一定很难，故选B。
81．B
【详解】句意：威廉姆斯夫妇回到美国后一直在旧金山工作。
考查现在完成时。had worked过去完成时；have worked现在完成时；work一般现在时；are working现在进行时。分析句子结构，句子为主从复合句；“since they returned to the USA.”是since引导的时间状语从句，则主句用现在完成时。故选B。
82．C
【详解】句意：如果你不知道这些新词，你可以查字典。
考查动词短语。look out当心；look for寻找；look up查阅；look at看。根据“you don’t know the new words”可知，遇到不认识的新词要查字典。故选C。
83．B
【详解】句意：今天的微博上有什么重要的事情吗？
考查形容词修饰不定代词。important anything 表述错误；anything important一些重要的事情；important something表述错误；something important一些重要的事情。形容词修饰不定代词要放在后面。其次some用于肯定句，any用于否定句或是疑问句。故选B。
84．C
【详解】句意：大约两百名功夫爱好者参加了河南第二届传统武术节。
考查hundred/thousand等大数的表达。hundreds of好几百，许许多多；two hundreds of错误表达，hundreds of前不用具体数字；two hundred两百；hundred of错误表达，应用复数形式hundreds。根据“About”可知此处不能使用hundreds of来表示概数，应用two hundred表示“两百”。故选C。
85．D
【详解】句意：在我们班简是一个好学生，在她的学科中，她从未获得C。
考查副词辨析。usually通常；always总是；sometimes有时；never从不。根据Jane is a top student in our class“在我们班简是一个好学生”可知，好学生从不得C，故选D。
86．D
【详解】句意：这件衣服有点脏，你能再给我换一件吗？
考查代词辨析。others其他的人或物；the other（两者中）另一个；another（表示三者或三者以上）另一个；the others剩余所有的人或物。根据语境可知，本句中没有说只有两件衣服，所以应是表示同类事物中三者或三者以上中的另一个。故选D。
87．D
【详解】句意：——听！乔伊斯正在隔壁房间唱歌。——不可能是乔伊斯。她去欧洲了。
考查情态动词。must必须，一定；can可以；mustn’t禁止，不得；can’t不可能。根据“She has gone to Europe.”可知，乔伊斯去欧洲了，所以不可能是她在唱歌，应用can’t表示有把握的否定推测。故选D。
88．B
【详解】句意：怪物的一声咆哮是否让你的血变成了冰？
考查代词辨析。you你；your你的，形容词性物主代词；yours你的，名词性物主代词；yourself你自己。空后是名词blood“血液”，应用形容词性物主代词your修饰，故选B。
89．C
【详解】句意：朋友之间往往非常相似。
考查介词。as作为；in在……里；to到；for为了。根据“be highly similar”可知，此处是固定搭配be similar to“与……相似”。故选C。
90．B
【详解】句意：她是一位来自伦敦的大学教授。
考查冠词。an一个（不定冠词，用在以元音音素开头的单词前）；a一个（不定冠词，用在以辅音音素开头的单词前。此处表示泛指，university “大学”是以辅音音素开头的单词[ ju n v s t ]，所以此处应用a。故选B。
91．C
【详解】句意：我在给新笔友的信中附上了一张我自己的照片。
考查反身代词。I我，主格；my我的，形容词性物主代词；myself我自己；we我们主格，根据主语I，排除D，由固定搭配a photo of oneself意为“一幅某人自己的照片”，排除A和B，故选C。
92．C
【详解】句意：我们惊奇地发现一只猫躺在门边。
考查非谓语动词。find sb. doing sth.“发现某人正在做某事”，故此处应填lying，强调动作正在进行。故选C。
93．A
【详解】句意：杰森和他哥哥安迪长得很像。我很难分辨出它们之间的区别。
考查介词辨析。to到；of……的；from来自；with和。be similar to“和……相似”，为固定短语。故选A。
94．A
【详解】句意：他们在圣诞节那晚玩得很开心。
考查介词。on在……上，或者在具体某天；in在……里；at在，一般+点钟；of……的。根据语境“They had great fun...the night of Christmas.”可知，“在圣诞节那晚”玩得很开心，这是具体时间，用介词“on”。故选A。
95．D
【详解】句意：布朗夫人的教学风格与大多数其他教师的教学风格相似。
考查介词辨析。for为了；at在；from从；to到。be similar to“与……相似”，固定搭配，故选D。
96．D
【详解】句意：我在读小学时喜欢打橄榄球、高尔夫球和曲棍球。
考查非谓语动词和冠词。根据enjoy doing sth.“喜欢做某事”可知，此空应填动名词作宾语，排除A和B；球类名词前不用冠词。故选D。
97．A
【详解】句意：汤米是一个欧洲人，他在一所大学学习。
考查不定冠词。European和university都是以辅音音素开头，应用不定冠词a。故选A。
98．C
【详解】句意：以下带下划线的部分中，哪一部分的发音与其他部分不同？
考查动词过去式-ed发音。stared[ste d]；carried[ k rid]；crossed[kr st]；turned[t nd]。划线部分发音不同的是C选项，故选C。
99．C
【详解】句意：昨天是不寻常的一天，但今天是平常的一天。
考查不定冠词辨析。unusual以元音音素开头，应用an；usual以辅音音素开头，应用a。故选C。
100．A
【详解】句意：以下带下划线的部分中的哪一个在发音上与其他部分不同？
考查字母的发音。fierce的发音为/f s/；height的发音为/ha t/；silently的发音为/ sa l ntli/；realized的发音为/ ri la zd/。由以上可知，B、C和D项划线部分都发/a /，而A项发/ /。故选A。
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