单选专项练习附参考答案

单选专项练习[footnoteRef:0]附参考答案 [0: ]
练 习 一
1.—It’s said that you have moved into a new house.?
—Yeah，and we need to buy some in the mall nearby.?
A. food B.furniture C. hamburger
2.—Which do you prefer, tea or coffee?
—________is OK.I don’t care.
Either B. Neither C. Both
3.—Yummy!The coffee is good.
—That’s right .It will taste________with some milk.
A.good B.better C.best D.the best
4.The food I cook isn’t delicious, but _____I can look after myself.
A.at first B.at last C.at least
5.—Good morning ,madam.Can I help you?
—Sure,I’d like ________for cooking vegetables.
A.two cups of tea B.three pieces of bread C.five kilos of oil
6.Sally is very happy. There is a big smile her face.
A. on B. to C. in D. a
7. —Why do you like Mary??
—Because she is honest girl. ?
A.a B.an C. the
8. —What do you think of this skirt?
—It’s beautiful and it fits we well,_______I like it very much.
A.since B.so C.but
9.—What vounteer work would you like to do?
—I’d like to sick people in the hospital.
A. turn up B. stay up C. look up D. cheer up
10. This term over. The summer vacation is coming in two weeks.
A. is B. was C. has been D. will be
11. Hong Kong to be a good place for eating today.
A. knows B. knew C. is known D. was known
12.At least 300 million people are using QQ______by Ma Huateng to chat on line.
A.create B.creates C.creating D.created
13. —Do we have to finish our homework this afternoon?
—Yes, you ________.
A. must B. can C. may D. need
14. I’d like you for a picnic with us.
15.—________beautiful day it is!Let’s go and have a picnic in the park.
—Good idea!
A.How B.How a C.What D.What a
16.—______TV do you watch every day?
—About two hours.
A.How much B.How many C.How long D.How often
17. Your T-shirt is so cool. Could you tell me ________?
A. where you buy it B. where do you buy it C. where you bought it D. where did you buy it
18. Peter likes reading a newspaper he is having breakfast.
A. until B. while C. because D. though
19.Jim dislikes people ______talk much but never do anything .
A.who B.whom C.whose
20.—The party is a great success.We’ve had a good time.
—________.
A.It doesn’t matter B.No,thanks
C.It’s not very good D.I’m glad to hear that
练 习 二
21.You can get much_____about the World Expo on the Internet.
A.map B.picture C.ticket D.information
22.—Look ,that’s Mike,your classmate.
—Yes,Let’s go and say hello to_________.
A.him B.he C.her D.hers
23.—What’s the low-carbon life style like?
—Save_______energy,produce________carbon.
A.more;more B.less;more C.less;less D.more;less
24.—I’m not sure what to get morn for her birthday.
—Oh,I’ve idea.______.
A.too B.neither C.either D.also
25.Nearly _______of the earth_______covered by sea.
A.three fourth;is B.three fourths;is C.three fourth;are D.three fourths;are
26. —It’s very important us to make a plan before a new term.
—Yes. You must try to make it carefully.?
A. of B. for C. to?
27.Jenny is ______American.She works in _____company in China now.
A.an;a B.an;the C.a;an
28.—I don’t think your uncle really like drama series.
—No,________he still watches the programe
A.and B..so C.or D.but
29.—Excuse me,when will the train K307 arrive?
—Wait a minute ,pleae.I’ll ________it for you.
A.keep B.check C.read
30. I a mistake. Please don’t be angry with me.
A. make B. made C. will make D. had made
31.Last month a new law______in China to stop people from smoking in public places.
A.is passed B.passes C.had passed D.was passed
32.—Where’s your brother now,Bob?
—I saw him _______in the street a moment ago and I told him_________.
A.playing;don’t do so B.playing;not to so C.play;to do so
33. —Must I be in hospital for a week，Doctor?
—No，you . You can go back home tomorrow.
A.mustn’t B.needn’t C. must?
34.The talk show on TV is very popular. It often makes people____.
A.laugh B.laughing C.to laugh D.laughed
35.—Kate has won the first prize in the singing competition.
—______pleasant surprise this gave her classmates!
A.What B.How C.What a D.How a
36. —Meat isn’t really dangerous, is it?
—Oh! _________! It’s not at all good for our health.
A．Yes, it isn’t B．No, it is C．Yes, it is D．No; it isn’t
37.—Excuse me .Could you tell me_____I can get to the Space Museum?
—Of course.You can take bus No.1.
A.where B.how C.if D.why
38.Many students didn’t realize the importance of study_____they left school.
A.when B.until C.as D.after
39.—I hear Sam has gone to Qiandiao for his holiday.
—Oh,how nice!Do you know when he_______?
A.left B.was leaving C.has left D.had left
40.—Mike hurt his arm the day before yesterday .Now he’s in hospital.
—________.
A.I’m sorry to hear that B.That’s all right C.I hope you’ll feel better soon
练 习 三
41.The customers are pleased with the________of the restaurant.
A.balance B.experience C.surface D.service
42.—Look! Do you know ______man under the tree?
—Sorry .It’s too far to see ______clearly.
A.this;him B.that;his C.this;her D.that;him
43.What a nice picture of a house.It would be_______with some green trees around it.
A.good B..better C.worse
44. I often laugh when I see my grandma learning pop songs But she says，“One is never old to learn’’
A too B so C very D quite
45.—Which class won the match in the end?
—I’m not quite sure.Perhaps _________did.
A.Class Third B.Third Class C.Class Three D.Three Class
46.It’s very kind _______you.Thank you for your help
A.of B.for C.to D.on
47.—What would you like for _________breakfast,Mr.Green?
—Two pieces of bread and_______cup of tea,please
A.a;the B./;a C./;the
48._______ they are twin brothers, they don’t look like each other.
A. Though B. Since C. However D. When
49.—It is very kind of you to ___my grandpa when I went to Fuzhou on business.
—It’s a pleasure.
A.look after B.play tricks on C.depend on
50. I my clothes, and the phone rang.
A. wash B. washed C. am washing D. was washing
51.A new factory is being built in Neijiang.I hope it___at the end of this year.
A.will be finished B.finishes C.will finish
52.The woman made his son_____finally after she told him some jokes.
A.laughed B.to laugh C.laugh D.laughing
53. —What do you think of the cake??
—I like it very much. It tastes .?
A.good B.terrible C. well
54.They spent all night________the work.
A.doing B.did C.to do
55. _______ great man Huang Furong is! He lost his life while saving the students in the Yushu earthquake.
A. How B. How a C. What D. What a
56.—_____do you have an art festival in your schooi?
—Once a year
A.How often B.How many C.How soon
57.—Do you know ________the new mobile phone last week?
--Maybe 900 yuan.I’m not quite sure.
A.how much she paid for B.how much will she pay for C.how much did she pay for
58.I don’t know if it_____tomorrow.If it_____,we won’t go on a picnic.
A.rains;rains B.will rain;rains C.will rain;will rain
59.We are trying to help those children _____ lost their parents in Yushu , Qinghai Province.
A. which B. when C. who D. whose
60.—Would you mind my closing the window?
—______.
A.Certainly not B.Yes,please C.Sorry,I won’t
练 习 四
61.—Lily has a silk ______.Listen,she is singing in the next room!
—How nice!.
A. look B. noise C. voice
62.—Which of the caps will you take?
—I’ll take _______,one for my father ,the other for my brother.
A.neither B.both C.all
63.Tom is not good at math.He always feels ______before her takes a math test.
A.interested B.comfortable C.nervous D.proud
64. —Do you think yesterday’s math problem was difficult?
—Yes. I could ________ work it out.
A．hardly B．easily C．finally D．nearly
65.There are ________ people in the supermarket. It's so crowded.
A．hundred B．hundreds C．hundred of D．hundreds of
66.All of us went to the park______Bob.He had to look after his sister.
A.besides B.with C.except
67.There is ___local shop for people to buy daily things in the small village.
A.a B.an C.the D.不填
68.All of us went to the park______Bob.He had to look after his sister.
A.besides B.with C.except
69.There is ___local shop for people to buy daily things in the small village.
A.a B.an C.the D.不填
70.Money is important ,________it can’t buy everything.
A.for B.but C.or D.so
71.—Tony,I’m too nervous to give a speech in the graduation ceremony.
—______!I believe you can do it!
A.Be careful B.Never mind C.Take it easy
72.He_____his umbrella to me yesterday.so I didn’t get wet.
A.borrowed B.kept C.lent D.bought
73.—Can you sing this English song?
—Of course,I can.It______many times on the radio.
A.taught B.has taught C.is taught D.has been taught
74.Father often tells me——too much time on computer games.
A don’t spend B not spend C not to spend D not spending
75.The desk is not dirty.You_______clean it.
A.mustn’t B.shouldn’t C.needn’t D.can’t
76.—Have you seen the TV play My Ugly Mother?
—Yes,it’s well worth _________.It’s ________moving that I’ve seen it twice.
A.seeing;too B.to see;enough C.seeing;so
77._______exciting sport it is to climb the mountains!
A.How B.What C.What a D.What an
78.—________have you stayed in New York?
—For about two weeks .
A.How soon B.How often C.How long
79.Michael Jordan has failed over and over again in his life.And that’s ____ he succeeds .
A.what B.when C.why D.where
80.You have to leave now________you can catch the early bus.
A.so that B.as soon as C.because D.if
81.Do you know the girl _______is singing in the classroom?
A.who B.which C.when
82.—Excuse me.Where is the nearest post office?
—Sorry,I’m new here.
—______!
A.Thank you all the same B.What a pity C.Bad luck
练 习 五
83.—Wow,so many beautiful cars!I don’t know which one to buy.
—Anyway ,you have to make a________.
A.conclusion B.connection C.decision D.presentation
84.—Who helped you clean the classroom yesterday?
—_______.I cleaned it all by myself.
A.Somebody B.Nobody C.Everybody
85.—I’m going to a job interview. I feeI a IittIe_______.
—Take it easy. Listening to music can heIp you reIax.
A． comfortable B. nervous C. excited
86. --Don’t worry.My mother will look after your baby _______.
—Thanks a lot.
A. careful enough B. enough careful C. carefully enough
87.The number of the students in our school is about nine ____. ____ of them are boys.
A. hundred; Two thirds B. hundred; Two third
C.hundreds; Two thirds D. hundreds; Two third
88.—We’ll have a hiking trip,but when shall we meet?
—Let’s make it _________half past eight _______the morning of June 21.
A.at;in B./;on C./;in
89.If you go by train,you can have quite______comfortable joueney,but make sure you take_____fast one.
A.a;a B.the;a C.the;the D.不填;a
90.I won’t be able to understand what you say,___ you speak too quickly.
A.if B.though C.because
91.—What can I do for you?
—I’m looking at that dress.It looks nice,May l_________?
A.hold it on B.try it on C.take if off D.get it off
92.I’m sorry I left the book at home.I______it here tomorrow,I promise.
A.bring B.will bring C.brought D.have brought
93.Another two months will be needed before the new bridge______.
A.completes B.is completed C.has completed D.will be completed
94.—How would your family like to travel?
—It’s a problem in my family.Mother prefers to take a bus to travel,while father always sticks ______to travel.
A.to drive B.to driving C.driving D.drive
95.—What is your mother going to do this Saturday?
—I’m not sure.She_____go to see my grandmother.
A.can B.must C.may
96.The boy spends at least as much time reading as he________.
A.writes B.is writing C.does to write D.does writing
97.______wide the streets are!
A.What B.How C.What a
98.—She doesn’t like geography，does she?
— .?
A. Yes，she does B. Yes，she doesn’t C. No，she does
99.Alice in Wonderland is a fantastic movie.It’s about ______.
A.how did Alice end the Red Queen’s reign of terror（恐怖统治）
B.what did Alice end the Red Queen’s reign of terror
C.how Alice ended the Red Queen’s reign of terror
D.what Alice ended the Red Queen’s reign of terror
100.You should go over your test paper _____ you hand it in .
A. before B. though C. because D. as soon as
101.Jim dislikes people _______talk much but never do anything.
A.whom B.when C.whose D.who
102.—Shall we go to the concert this evening?
—________.Let’s buy the tickets first.
A.Best wishes B.That’s right C.Good idea
练 习 六
103.We need to come up with a/an________and make a decision at once.
A.information B.advice C.idea D.news
104.—Can I have some more ice cream,Mum?
—Sorry. There is _______left in the fridge.
A.none B.nothing C.no one D.anything
105.It is to teach a kid the way to solve a problem than tell him the solution directly
A.helpful B.more helpful C. the most heipfui
106.—Who teaches __________English?
—No one.I teach __________.
A. you;myself B. your;myself C. you;me
107. girls took part in the Happy Girl Competition but only few of them succeeded.
A. Million of B. Many million of C. One million of D. Millions of
108.The little elephant is afraid to go alone.He always walks____his mother.
A.beside B.behind C.below D.under
109. It’s reported that a terrible rainstorm hit _______ south of our country.
A. a B. the C. / D. an
110.—Wang Jinquan,a teacher from Qichun,has supported many poor students to college.
—______he himself lives a plain（相素的）life.
A.So B.But C.Because D.Though
111.—Your watch is so beautiful. It must be expensive.
—Not at all. I only ￥20 on it.
A. cost B. spent C. paid D. took
112.—What are you doing ,Simon?
—I have finished my homework ,and now I______the computer games.
A.played B.was playing C.am playing D.play
113.We will fly a kite as soon as your homework _______.
A. finishes B. will be finished C. has finished D. is finished
114.Don’t forget ______an umbrella ______you.It’s going to rain.
A.to take;to B.taking;to C.to take;with D.taking;with
115.—May we leave the classroom now?
—No,you _________.You_________to leave until the bell rings.
A.must;are allowed B.can’t ,aren’t supposed C.needn’t ;aren’t allowed
116. It’s nice _______ Andy _______ me with my English study.
A. at; to help B. of; to help C. with; help D. of; help
117.—Let’s go skating,_________?
—Ok,Let’s go.
A.do you B.don’t you C.will you D.shall we
118.—________will you stay in Shanghai?
—For about three weeks.
A.How long B.How far C.How often
119.—Do you know ________the girl in red is ?
—I’m not sure.Maybe a teacher.
A.when B.how C.where D.what
120.Scientists say it may be a few years ______it is possible to test the new medicine on patients.
A.because B.after C.before D.since
121.—The volunteers are doing a great job in Yushu.
—Yes.They are helping the people ______are suffering from the earthquake.
A.which B.what C./ D.who
122.—Sorry,sir.I made a mistake again.
—________Practice more and you will do better.
A.Never mind. B.I’m not sure. C.You’re welcome D.Don’t mention it
练 习 七
123.—Would you like some _______?
—No,thank you.I’m not hungry at all.
A.water B.books C.clothes D.bread
124.—Excuse me .I want to buy some stamps.Where can I find a post office?
—I know _______not far from here.You can easily find ________.
A.that;it B.it;one C.one;it
125.—Are you scared of the flight?
—No, just a little ________.
A. angry B. serious C. anxious D. calm
126.The Internet is very useful for us. We can find information.
A. easy B. easily C. hard D. hardly
127. trees have been planted near here, so the air is very fresh.
A. Two hundreds B. Hundred of C. Hundreds of D. Hundreds
128.Marie Curie,the first woman to win the Nobel Prize,was born _______November,1867,in the city of Warsaw in Poland.
A.at B.on C.in D.to
129.My sister can play______violin very well.
A.the B.a C./
130.—Is everyone here today?
—No.Tom is at home_____he has got a bad cold.
A.because B.if C.until D.unless
131.The plane will ________from Beijing Capital Airport and land in London
A.take up B.take out C.take away D.take off
132.—Did you watch the football match yesterday?
—Yes ,I did.You know ,my brother ________in the match.
A.is playing B.was playing C.will play
133.A Disneyland Park（迪斯尼乐园）__________in Shanghai Pudong New Area in the near future.
A.builds B.has built C.will build D.will be built
134.Most of the young people enjoy ______ Jay Chou's songs.
A．sing B．sang C．singing D．to sing
135.The cookies_______good .Could I have some more?
A.taste B.smell C.feel D.sound
136.—David has been away for more than 25 days.
—I miss him very much.You know ,25 days _______short.
A.is B.isn’t C.are D.aren’t
137.She’s never been to Hong Kong,______?
A.isn’t she B.has she C.is she D.hasn’t she
138. —_______do you have PE lessons?
—Three times a week.
A.How long B.How soon C.How many D.How often
139.—What did your parents thank about your decision?
—They always let me do_______I think I should.
A.when B.that C.how D.what
140.We will have no water to drink _______we don’t protect the earth.
A.until B.before C.though D.if
141.Have you found the answer to the question ______I asked you this morning?
A.when B.what C.that
142.—Are you confident about this evening’s performance, Katie?
—________.I’m well prepared and feel I’ve got everything ready.
A.I hope so B.It’s hard to say C.Sure,I am D.I am afraid not
练 习 八
143.I Iike______ a Iot, and my mother usuaIIy cooks it in different ways.
A.fish B.potatoes C.noodIes
144._________of the hats suited him,so Jack had to try on the third one.
A.Neither B.Either C.Both
145.—Waiter, $ 20 for dinner, right?
—I’m afraid $25, sir, for drinks are ________.
A. extra B. free C. high D. spare
146.—Peter looks sporty.
—Yes.He is the______runner in my class.
A.slower B.slowest C.faster D.fastest
147.Because of Project Hope,_______children have better lives.
A.thousand B.thousands C.thousand of D.thousands of
148.The famous actor often plays ________his children in the park.
A.about B.in C.at D.with
149.—Look !What’s that moving high up in ______sky?
—It must be_______plane.
A.a;the B.the;/ C.the;a D./;a
150.—What is our head teacher like,do you know?
—Oh,he is very kind _______he looks very serious.
A.because B.though C.if D.when
151.—Tom,your books should be in right order.
—OK.I’ll ________night now.
A.put them down B.put them away C.put them up D.put them on
152. — How was your day off ?
—Pretty good ! I ______ the science museum with my classmates.
A. visit B. visited C. am visiting D. will visit
153.—I want to teach in Tibet when I graduate from the college.
—Me too.Teachers __________very much there.
A. need B. are needing C. are needed
154.As teenagers, we’re old enough ______with housework. We can help set the table, wash the dishes and clean our own rooms.
A. to help B. helping C. helped
155.—Is Jessica giving us a speech this evening?
--No,it________be her.She________to Japan.
A.mustn’t ;has gone B.mustn’t ;has been C.can’t ;has gone D.can’t ;has been
156.Climbing hills _________of great help to our health.
A.was B.were C.is D.are
157.— __________ beautiful city!
—Yes. Lots of tourists come to visit it every year.
A．How B．What C．How a D．What a
158. — _____ an Art Festival in your school each term?
— No, but there is an English party .
A. Are there B. Is there C. Do we have D. Does he have
159.The girl sitting next to me on the plane was very nervous,for she_______before.
A.didn’t fly B.hasn’t flown C.hadn’t flown D.wasn’t flying
160.—Could we play football in your playground,Sir?
—No,_______you have the principal’s note.
A.if B.unless C.because D.since
161.Friends are those make you smile，always open their hearts to you and
encourage you to succeed
A which B what C whom D who
162.—I am very worried about tomorrow’s maths test.I am afraid I can’t pass this time. —________!I’m sure you’ll make it.
A.No problem B.That’s right C.Cheer up D.Don’t mention it
练 习 九
163.—Why are you still waiting in line?
—I’ve missed my _______ .
A. place B. order C. turn D. time
164.—Is the woman a teacher?
—Yes. She teaches ________ English.
A．you B．us C．our D．your
165.—Excuse me，sir. The shoes are a bit small for me
—Don’t worry．I’ll change them for a size
A smaller B smallest C larger D largest
166.They clapped and shouted_____when they saw Yao Ming appear on the playground.
A.hardly B.quietly C.excitedly D.angrily
167.I think ______ of the materials I listened to at the beginning of the exam ______ easy.
A. three fourths, is B. third four, are C. three fourths, are D. three fourth, are
168.—Peter,can you tell me the differences______the four words?
—Sorry,I don’t know.
A. between B. among C. for
169.—How was _______dinner at Mike’s house?
—It was great.Mike’s mum is ________wonderful cook.
A.a,the B.the,a C.the,the D.a,an
170.In summer , food goes bad easily ________ it is put in the refrigerator.
A. until B. if C. unless
171.It’s very hot here. Why not _______ your coat?
A. have on B. take off C. put off D. put on
172. There _______ a big cake and many candies at the party yesterday.
A. was B. were C. is D. are
173.Another new railway station ________in Changsha in 2011.
A.was built B.build C.will be built
174.After several campus(校园) attacks , many schools across the country have already taken action their campuses .
A. making, safe B. made, safe C. to make, safer D. make, safe
175.It’s the library!So you________know shouting is not allowed here.
A.can B.must C.need D.may
176.Yao Ming works hard on his English and ________
A．so Liu Xiang does B．so is Liu Xiang
C．so does Liu Xiang D．so Liu Xiang is
177.—There are always many volunteers in great events, _______?
—Yes. Many hands makes light work!
A. aren’t there B. are there C. aren’t they
178.—_______ should we clean the library?
—Twice a week.
A. How many B. How much C. How long D. How often
179.—I don’t know _______ now.
—She is much better today.
A. how is she B. where is she C. how she is D. where she is
180.I won’t be able to understand what you say,___ you speak too quickly.
A.if B.though C.because
181.I began to work in Shanghai in the year _______HongKong was returned to China.
A.that B.which C.where D.when
182. — Sorry , I can’t go shopping with you tonight.
— ______.
A. Why don’t you ask Bill ? B. Excuse me . Which is the way to the shop?
C. It’s very kind of you . D. That’s OK. Maybe some other time .
练 习 十
183.It was very hard for me to make a—but J decided to leave my job
A suggestion B decision C plan D speech
184.—Have you got ________ready for the sports meeting?
—Not yet.We still have________to do.
A.anything;nothing B.something;everything C.everything;something
185.Taking buses in Beijing is______than taking a taxi.
A.more cheap B.much cheaper C.a little cheap D.less cheaper
186.Mr White said that he had ______visited the Great Wall before.It’s his first time to come to China.
A.ever B.never C.once
187.—Do you know the boy________ is sitting next to Peter?
—Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; nineth C. /; nineth D. which; ninth
188.—Frank,when will the short meeting begin?
—You should come _____2:30 .If you come 10 minutes _____that time ,the meeting will be over.
A.at;before B.at;after C.after;before
189.—What shall we have for supper?
—I bought ________big fish at_______only market near my office.
A.a;a B.a;the C.the ;不填
190. it's difficult to make her dream come true，she never gives up
A Though B Unless C Because D If
191.He is a very honest man. He never _______ lies.
A. says B. speaks C. tells D. talks
192. I _______ the charity show on TV when the telephone rang.
A. watch B. watched C. am watching D. was watching
193.—Look,what an old palace!It looks so great!
—Yeah ,it________nearly 800 years ago.
A.was building B.was built C.has built D.is built
194.— What would you like for breakfast ?
— I like hamburgers . But now I’ d like ________ some cakes.
A. eating B. to eat C. to drink D. drinking
195. — Shall we go for a picnic in the park this Saturday?
— Oh, that _______ good.
A. feels B. looks C. tastes D. Sounds
196.—Leo,________no milk or eggs in the fridge.
—Oh,I’ll go and buy some right away.
A.it is B.there is C.there are
197.____ good job she does! She is really a clever girl.
A. What B. How C. What a D. How a
198.—_______is it from here to the railway station?
—About ten kilometers.
A.How far B.How fast C.How soon D.How often
199.I want to know ________.
A.when we should arrive at the airport B.when should we arrive at the airport
C.when the airport we should arrive at D.when the airport should we arrive at
200.—Is everyone here today?
—No.Tom is at home_____he has got a bad cold.
A.because B.if C.until D.unless
201.This is the school _______ I studied three years ago.
A. where B. when C. that D. which
202. —Would you lie me to take you to the new shopping centre?
—______.I’ve been there once.
A.No,thanks B.No problem C.Yes,I think so D.That’s very kind of you
练习参考答案
练习一答案
【答案】B
【答案】A
【答案】B
【答案】C
【答案】C
【答案】A
【答案】B
【答案】B
【答案】D
【答案】D
【答案】C
【答案】D
【答案】A
【答案】B
【答案】D
【答案】A
【答案】C
【答案】B
【答案】A
【答案】D
练习二答案
【答案】D
【答案】A
【答案】D
【答案】C
【答案】B
【答案】B
【答案】A
【答案】D
【答案】B
【答案】B
【答案】D
【答案】B
【答案】B
【答案】A
【答案】C
【答案】C
【答案】B
【答案】B
【答案】A
【答案】A
练习三答案
【答案】D
【答案】D
【答案】B
【答案】A
【答案】C
【答案】A
【答案】B
【答案】A
【答案】A
【答案】D
【答案】A
【答案】C
【答案】A
【答案】A
【答案】D
【答案】A
【答案】A
【答案】B
【答案】C
【答案】A
练习四答案
【答案】C
【答案】B
【答案】C
【答案】A
【答案】D
【答案】C
【答案】A
【答案】B
【答案】C
【答案】C
【答案】D
【答案】C
【答案】C
【答案】C
【答案】D
【答案】C
【答案】C
【答案】A
【答案】A
【答案】A
练习五答案
【答案】C
【答案】B
【答案】B
【答案】C
【答案】A
【答案】B
【答案】A
【答案】C
【答案】B
【答案】B
【答案】B
【答案】B
【答案】C
【答案】D
【答案】B
【答案】A
【答案】C
【答案】A
【答案】D
【答案】C
练习六答案
【答案】C
【答案】B
【答案】B
【答案】A
【答案】D
【答案】A
【答案】B
【答案】B
【答案】B
【答案】C
【答案】D
【答案】C
【答案】C
【答案】B
【答案】D
【答案】A
【答案】D
【答案】C
【答案】D
【答案】A
练习七答案
【答案】D
【答案】C
【答案】C
【答案】B
【答案】C
【答案】C
【答案】A
【答案】A
【答案】D
【答案】B
【答案】D
【答案】C
【答案】A
【答案】A
【答案】B
【答案】D
【答案】D
【答案】D
【答案】C
【答案】A
练习八答案
【答案】A
【答案】A
【答案】A
【答案】D
【答案】D
【答案】D
【答案】C
【答案】B
【答案】B
【答案】B
【答案】C
【答案】A
【答案】C
【答案】C
【答案】D
【答案】B
【答案】C
【答案】B
【答案】D
【答案】C
练习九答案
【答案】C
【答案】B
【答案】C
【答案】C
【答案】C
【答案】B
【答案】B
【答案】C
【答案】B
【答案】A
【答案】C
【答案】C
【答案】B
【答案】C
【答案】A
【答案】D
【答案】C
【答案】C
【答案】D
【答案】D
练习十答案
【答案】B
【答案】C
【答案】B
【答案】A
【答案】A
【答案】B
【答案】B
【答案】A
【答案】C
【答案】D
【答案】B
【答案】B
【答案】D
【答案】B
【答案】C
【答案】A
【答案】A
【答案】A
【答案】A
【答案】A