Unit1 This is me!单元检测卷(A)（含解析）

Unit1 This is me! 单元检测卷(A)
一、单项选择(30分)
1. —_____! I’m Susan. —Good morning! I’m Sandy.
A. Good morning B. Hi C. Goodbye D. Hello
2. - _______ your mother happy today
-No she_______.
A. Is ; isn't B. Are ; aren't
C. Are; isn't D. Does; doesn't
3. -Simon, it's time to go to bed. -OK , Dad. _______.
A. Goodbye B. Good evening
C. Good night D. Bye-bye
4. My brother is in _______.
A. class four, grade two
B. Grade Three, Class One
C. Class Seven, Grade Three
D. Class eight, Grade six
5. —_____ —My name’s Kitty.
A. How old are you B. Who are you
C. What’s your name D. How are you
6. —Is your name Daniel —_____. What about yours
A. Yes, I am B. No, it is C. No, I’m not D. Yes, it is
7. The boy has poor eyesight(视力). He_____________ a pair of glasses.
A. with B. has C. wears D. in
8. -Where_______ Andy_______ from
-Shanghai.
A. does ; is B. does ; is come C. does; come D. do ; come
9. —_________you like to music
—Yes, I do.
A. Do; listen B. Are; listen C. Do; listening D. Are; listening
10. - _______ -Yes, I am.
A. Who is Li Ming B. Are you Li Ming
C. You are Li Ming D. Where is Li Ming
11. _______ is Kitty. Her Chinese name is Zhang Li.
A. That B. This C. He D. Her
12. My cousin loves playing___ volleyball. Look! She is playing with______ volleyball over there.
A. the; a B. a; the
C. /;/ D. /;a
13 --Would you like____football with us --Of course. I enjoy____ football very much.
A. to play; play B. playing; to play
C. to play; playing D. play; playing.
14. -Hi, Tom. This is my friend, Lily. -_______.
A. All right, Tom.
B. Hi, Tom Nice to meet you.
C. Are you Tom
D. Hi, Lily. Nice to meet you.
15. Jim and Kate_______ in Beijing now. They both_______ from America.
A. is; come B. are; come C. is; comes D. are; comes
二、完形填空（20分）
Julia comes from America. Lingling comes from China. They are in the same class and they are good friends.
oday they go___16___together. Julia would like___17___a skirt and Lingling wants to buy a pair of socks. Now it is four o'clock in the afternoon. Julia is___18___and she takes Lingling to a fast-food___19___.
There Julia asks Lingling, "What would you like to eat " " Nothing," Lingling answers embarrassedly（不好意思地）.___20___Julia only buys a hamburger and a___21___of orange juice. Lulia sits and eats. Lingling sits next to Julia and____22____her. She is hungry and very angry. She___23___Julia isn't polite. But Julia doesn't___24___this, because it is all right in____25____country. Do you see the difference between two countries
16. A. swimming B. skating C. fishing D. shopping
17. A. to eat B. to buy C. to wear D. to give
18. A. hungry . B. sad C. tired D. happy
19. A. hospital B. post office C. restaurant D. bank
20 A. So B. And C. But D. Or
21. A. bag B. piece C. tin D. glass
22. A. reads B. finds C. looks at D. looks
23. A. thinks B. wants C. would like D. likes
24. A. want B. know C. eat D. show
25. A. my B. your C. her D. their
三、阅读理解（30分）
(A)
Jack is a schoolboy. He is from England. He lives in a small town, not far from London. He lives with his grandmother. His parents work in London. They come only on Saturday and Sunday.
Jack has a small bike. He rides to school every day. He likes to study. He listens to the teachers carefully in class. He works very hard at his lessons. After school he often does the shopping for his grandma. He does his homework in the evening. He watches TV only on Sunday evening. Jack is a good boy and his parents like him very much.
26. Jack is a_______.
A. teacher B. student
C. driver D. doctor
27. Jack lives_______ London.
A. in B. far from
C. near D. on
28. Jack lives with his_______.
A. father B. mother
C. grandmother D. brother
29 Jack goes to school_______.
A. by bike B. on foot
C. by bus D. by car
30. Jack_______ in the evening.
A. does the shopping B. does his homework
C. does the cleaning D. watches TV
(B)
On Children's Day a young woman from America goes to Beihai Park with her little daughter. There are too many people in the park. The woman can't find her daughter, So she goes to the policeman for help. She tells the policeman her daughter is only six years old. She has two big eyes and a round face. Her hair is golden yellow. And she is in a short blue dress. At last the policeman helps her find her daughter. She thanks him very much.
31. On Children's Day, _______ woman goes to Beihai Park with her little daughter.
A. an America B. American
C. USA D. an American
32. The woman can't find her_______.
A. son B. daughter
C. children D. sister
33. Her daughter is only _______.
A. five B. six
C. seven D. four
34. The little girl's hair is _______.
A. yellow B. black
C. brown D. golden yellow
35. _______ helps her find her daughter.
A. The men B. Policemen
C. Some people D. The policeman
(C)
Whose house is this It's the Dawson's new house in the village (村庄). The name of this village is Belmont. It's a little village near a big city. There are two small lakes in Belmont, and they live near one of them. They like it very much.
Mrs. Dawson is usually busy because she does her housework. She cooks the meals, cleans the house, washes the clothes, and she does the shopping for the family. Her daughter, Ann helps her a little every day. Mr. Dawson sometimes helps his wife (妻子), too.
Many people are now moving from the cities to the village. It is like(像)a little town, but it's usually more quiet and people are more friendly.
36. Who is the busiest in the Dawson family
A. Mr. Dawson B. Mrs. Dawson and her daughter
C. Mrs. Dawson D. Mr. Dawson and his daughter
37. Where is Belmont
A. It is near a big city. B. It's near a big town
C. It's near another city. D. It's near the two lakes.
38. Mr. Dawson_______.
A. often helps Mrs. Dawson B. helps Mrs. Dawson every day
C. never helps Mrs. Dawson D. sometimes helps Mrs. Dawson
39. Ann_______.
A. doesn't like their house
B. never helps her mother
C helps her mother with the housework every day
D. sometimes helps her mother
40. Many people are moving to the village because_______..
A. there are lakes near the village B. the village looks like the city
C. it is like a little town D. it's usually quiet and people are more friendly
四．单词拼写（10分）
41. Can you tell me your_______（名字）,boys
42. Who is your_______（主人） Tom is．
43. We love_______（跳舞）and enjoy_______（唱歌）．
44. My_______（业余爱好）are playing football and reading.
45. She is good at_______（游泳）
五．用括号内所给词的适当形式填空（10分）
46. _______ (not talk) with me. I_______ (write) to my friend now.
47. Little Tom can__________ (fly) Kites in the park.
48. My sister always_______ (enjoy) herself at weekends.
49. _______ Tom's school football team_______ (win) the match, Linda
50. Do you enjoy_______ (listen) to music
六．翻译句子（10分）
51. 让我们放学后一起去跳舞。
52. 见到你很高兴。
53. 在校她擅长于画画。
54. 桑迪没有长头发。
55. 我来自北京，与家人住在一起。
56. 书面表达(10分)
你七年级的英语老师是新老师，这儿有一张他的照片和他的相关信息，请根据照片及这些信息，向你的同学们介绍你的这位新老师（50个单词左右）。
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Unit1 This is me! 单元检测卷(A)
一、单项选择
1. —_____! I’m Susan. —Good morning! I’m Sandy.
A. Good morning B. Hi C. Goodbye D. Hello
【答案】A
【解析】
试题分析：本题考查交际用语的用法。从答语Good morning! I’m Sandy，可知是选A。
考点：考查交际用语
点评：本题一定要注意英语的表达习惯，平时要注意辨别不同的交际用语。
2. - _______ your mother happy today
-No, she_______.
A. Is ; isn't B. Are ; aren't
C. Are; isn't D. Does; doesn't
【答案】A
【解析】
试题分析：句意：-今天你的妈妈高兴吗？-不，她不高兴。根据句子的结构可知是主系表结构，主语是单数，所以用系动词is,否定回答用isn’t。故选A。
考点：考查一般疑问句及否定回答。
3. -Simon, it's time to go to bed. -OK , Dad. _______.
A. Goodbye B. Good evening
C. Good night D. Bye-bye
【答案】C
【解析】
试题分析：句意：-西蒙，到上床睡觉的时间了。-好的，爸爸。晚安。A. Goodbye 拜拜；B. Good evening 晚上好；C. Good night晚安；D. Bye-bye拜拜。结合情景，故选C。
考点：考查情景交际。
4. My brother is in _______.
A. class four, grade two
B. Grade Three, Class One
C. Class Seven, Grade Three
D. Class eight, Grade six
【答案】C
【解析】
【分析】
【详解】句意：我的弟弟在三年级七班。
考查专有名词。根据语境“我的弟弟在几年级几班”。考查英语中怎样表示年级和班级，要先说班级再说年级，并且每个单词的首字母都要大写，Class Seven, Grade Three“三年级七班”。故选C。
5. —_____ —My name’s Kitty.
A. How old are you B. Who are you
C. What’s your name D. How are you
【答案】C
【解析】
试题分析：考查交际用语，根据答语My name’s Kitty.可知是问：你叫什么名字？选C。
考点：本题考查交际用语的用法。
点评：交际用语一定要注意答语或问句，根据它们来进行判断。
6. —Is your name Daniel —_____. What about yours
A. Yes, I am B. No, it is C. No, I’m not D. Yes, it is
【答案】D
【解析】
【分析】
【详解】句意：——你叫丹尼尔吗？——是的，它是。你的呢？
考查一般疑问句。Is your name… ：你叫……？/你的名词是……？它的肯定回答是Yes, it is.，否定回答是No,it isn’t.；故选D。
【点睛】一般疑问句的回答一定要注意No后面是否定式，Yes后面是肯定式，前后要一致。
7. The boy has poor eyesight(视力). He_____________ a pair of glasses.
A. with B. has C. wears D. in
【答案】C
【解析】
试题分析：句意：那个男孩视力差，他戴着一副眼镜。A. with 带有，和；B. has有；D. in 穿着······颜色的衣服。C，wear,穿着，戴着······。结合句意，故选C。
考点：考查动词辨析。
8. -Where_______ Andy_______ from
-Shanghai.
A. does ; is B. does ; is come C. does; come D. do ; come
【答案】C
【解析】
试题分析：句意：——Andy来自哪里？——上海。来自于用be/come from。故选C。
9. —_________you like to music
—Yes, I do.
A. Do; listen B. Are; listen C. Do; listening D. Are; listening
【答案】C
【解析】
【分析】
【详解】句意：——你喜欢听音乐吗？——是的，我喜欢。
本句为含有行为动词like的一般疑问句，因此要在句首添加助动词do,又因为like后常跟动名词，因此第二个空要用listening。故选C。
10. - _______ -Yes, I am.
A. Who is Li Ming B. Are you Li Ming
C. You are Li Ming D. Where is Li Ming
【答案】B
【解析】
试题分析：句意：——你是李明吗？——是的，我是。根据回答Yes, I am可知，本题是一般疑问句。故选B。
11. _______ is Kitty. Her Chinese name is Zhang Li.
A. That B. This C. He D. Her
【答案】B
【解析】
试题分析：根据语境可知此句的含义是她是Kitty，中文名字是张丽。考查英语中别人介绍第三方的时候常用this is…这一句型结构，故选B。
考点：考查代词
12. My cousin loves playing___ volleyball. Look! She is playing with______ volleyball over there.
A. the; a B. a; the
C. /;/ D. /;a
【答案】D
【解析】
试题分析：句意：我的表姐喜欢打排球，看，她正在那边玩耍一个排球。做球类运动时，球类前面不加冠词，但是如果不是做球类运动，可以加冠词。根据句意，可知第二个空表示类别，故填a，故填D。
考点：考查冠词的用法。
13. --Would you like____football with us --Of course. I enjoy____ football very much.
A. to play; play B. playing; to play
C. to play; playing D. play; playing.
【答案】C
【解析】
试题分析：根据语境可知此句的含义是你喜欢和我一起踢足球吗？当然了，我非常喜欢踢足球。考查固定句型结构would you like to do sth和enjoy doing sth，因此第一空格填to play，第二空格填playing，故选C。
考点：考查非谓语动词
14. -Hi, Tom. This is my friend, Lily. -_______.
A. All right, Tom.
B. Hi, Tom Nice to meet you.
C. Are you Tom
D. Hi, Lily. Nice to meet you.
【答案】D
【解析】
试题分析：句意：-嗨，汤姆，这是我的朋友，莉莉。-嗨，莉莉，见到你很高兴。Nice to meet you.初次见面的文化语，结合句意，故填D。
考点：考查情景交际。
15. Jim and Kate_______ in Beijing now. They both_______ from America.
A. is; come B. are; come C. is; comes D. are; comes
【答案】B
【解析】
试题分析：Jim和Kate现在在北京了。他们都来自美国。在某地用be in，主语Jim and Kate为复数，故用are；第二空主语是they，是复数代词，用动词原形，故用come。故选B。
二、完形填空
Julia comes from America. Lingling comes from China. They are in the same class and they are good friends.
oday they go___16___together. Julia would like___17___a skirt and Lingling wants to buy a pair of socks. Now it is four o'clock in the afternoon. Julia is___18___and she takes Lingling to a fast-food___19___.
There Julia asks Lingling, "What would you like to eat " " Nothing," Lingling answers embarrassedly（不好意思地）.___20___Julia only buys a hamburger and a___21___of orange juice. Lulia sits and eats. Lingling sits next to Julia and____22____her. She is hungry and very angry. She___23___Julia isn't polite. But Julia doesn't___24___this, because it is all right in____25____country. Do you see the difference between two countries
16. A. swimming B. skating C. fishing D. shopping
17. A. to eat B. to buy C. to wear D. to give
18. A. hungry . B. sad C. tired D. happy
19. A. hospital B. post office C. restaurant D. bank
20. A. So B. And C. But D. Or
21. A. bag B. piece C. tin D. glass
22. A. reads B. finds C. looks at D. looks
23. A. thinks B. wants C. would like D. likes
24. A. want B. know C. eat D. show
25. A. my B. your C. her D. their
【答案】16. D 17. B 18. A 19. C 20. A 21. D 22. C 23. A 24. B 25. C
【解析】
本文从来自中国的玲玲和来自美国的Julia的吃饭的习惯看出两个国家文化的不同之处。
【16题详解】
根据下句Julia would like___2___a skirt and Lingling wants to buy a pair of socks可知，今天两人去购物。去购物是go shopping。故选D。
【17题详解】
根据下文and Lingling wants to buy a pair of socks可知，本题是Julia愿意买一件裙子。故选B。
【18题详解】
根据下句she takes Lingling to a fast-food___4___可知，Julia饿了。故选A。
19题详解】
根据上句可知，Julia带玲玲去了一家快餐馆。餐馆是restaurant 。故选C。
【20题详解】
因为前面玲玲说“什么也不要”，于是Julia就自己点了汉堡和桔汁。于是用so。故选A。
【21题详解】
本题考查a glass of orange juice。故选D。
【22题详解】
句意：玲玲坐在Julia旁边看着她。看用look at。故选C。
【23题详解】
根据She is hungry and very angry可知，玲玲认为Julia是没有礼貌的。认为是think。故选A。
24题详解】
句意：但Julia不知道这样。知道是know。故选B。
【25题详解】
句意：她认为在她的国家这样是正常的。她的是her。故选C。
点睛：完型填空是一卷难度最大的题。它集阅读理解、语法、词法、句法于一体。是考查语言综合运用的能力的一道题。 解题的方法第一要带着空，通读文章，搞清事件发生的背景。紧紧抓住上下文语境所提供的信息,充分利用各种线索，语法知识,以及句子之间的关系，词的搭配,结合上下文背景语境，结合句意选择适合语境的选项。
三、阅读理解
(A)
Jack is a schoolboy. He is from England. He lives in a small town, not far from London. He lives with his grandmother. His parents work in London. They come only on Saturday and Sunday.
Jack has a small bike. He rides to school every day. He likes to study. He listens to the teachers carefully in class. He works very hard at his lessons. After school he often does the shopping for his grandma. He does his homework in the evening. He watches TV only on Sunday evening. Jack is a good boy and his parents like him very much.
26. Jack is a_______.
A. teacher B. student
C. driver D. doctor
27. Jack lives_______ London.
A. in B. far from
C. near D. on
28. Jack lives with his_______.
A. father B. mother
C. grandmother D. brother
29. Jack goes to school_______.
A. by bike B. on foot
C. by bus D. by car
30. Jack_______ in the evening.
A. does the shopping B. does his homework
C. does the cleaning D. watches TV
【答案】26. B 27. C 28. C 29. A 30. B
【解析】
试题分析：这篇短文主要介绍了杰克的日常生活，他和祖父母一起生活，骑自行车上学，晚上做作业。
【26题详解】
细节理解题。根据短文Jack is a schoolboy.，可知杰克是在校男生，故选B。
【27题详解】
细节理解题。根据He is from England. He lives in a small town, not far from London.可知他住的离伦敦近，故选C。
【28题详解】
细节理解题。根据He lives with his grandmother.可知他和祖父母住在一起，故选C。
【29题详解】
细节理解题。根据He rides to school every day.可知他骑自行车，故选A。
【30题详解】
归纳理解题。根据He does his homework in the evening可知，他在晚上做作业，故选B。
考点：日常生活类短文阅读。
(B)
On Children's Day a young woman from America goes to Beihai Park with her little daughter. There are too many people in the park. The woman can't find her daughter, So she goes to the policeman for help. She tells the policeman her daughter is only six years old. She has two big eyes and a round face. Her hair is golden yellow. And she is in a short blue dress. At last the policeman helps her find her daughter. She thanks him very much.
31. On Children's Day, _______ woman goes to Beihai Park with her little daughter.
A. an America B. American
C. USA D. an American
32. The woman can't find her_______.
A. son B. daughter
C children D. sister
33. Her daughter is only _______.
A. five B. six
C. seven D. four
34. The little girl's hair is _______.
A. yellow B. black
C. brown D. golden yellow
35. _______ helps her find her daughter.
A. The men B. Policemen
C. Some people D. The policeman
【答案】31. D 32. B 33. B 34. D 35. B
【解析】
试题分析：这篇短文主要介绍了一个美国女人和她的六岁的女儿去北海公园玩，人太多，她的女儿不见了，警察帮助她最后找到了她的女儿。
【31题详解】
细节理解题。根据短文On Children's Day a young woman from America goes to Beihai Park with her little daughter.故选D。
【32题详解】
细节理解题。根据The woman can't find her daughter,故选B。
【33题详解】
细节理解题。根据She tells the policeman her daughter is only six years old，故选B。
【34题详解】
细节理解题。根据Her hair is golden yellow.故选D。
【35题详解】
细节理解题。根据At last the policeman helps her find her daughter.故选B。
考点：日常生活类短文阅读。
(C)
Whose house is this It's the Dawson's new house in the village (村庄). The name of this village is Belmont. It's a little village near a big city. There are two small lakes in Belmont, and they live near one of them. They like it very much.
Mrs. Dawson is usually busy because she does her housework. She cooks the meals, cleans the house, washes the clothes, and she does the shopping for the family. Her daughter, Ann helps her a little every day. Mr. Dawson sometimes helps his wife (妻子), too.
Many people are now moving from the cities to the village. It is like(像)a little town, but it's usually more quiet and people are more friendly.
36. Who is the busiest in the Dawson family
A Mr. Dawson B. Mrs. Dawson and her daughter
C. Mrs. Dawson D. Mr. Dawson and his daughter
37. Where is Belmont
A. It is near a big city. B. It's near a big town
C. It's near another city. D. It's near the two lakes.
38. Mr. Dawson_______.
A. often helps Mrs. Dawson B. helps Mrs. Dawson every day
C. never helps Mrs. Dawson D. sometimes helps Mrs. Dawson
39. Ann_______.
A. doesn't like their house
B. never helps her mother
C. helps her mother with the housework every day
D. sometimes helps her mother
40. Many people are moving to the village because_______..
A. there are lakes near the village B. the village looks like the city
C. it is like a little town D. it's usually quiet and people are more friendly
【答案】36. C 37. A 38. D 39. C 40. D
【解析】
这里介绍了一个靠近大城市的小山村和村子里Mr. Dawson一家的生活。
【36题详解】
细节理解题。根据Mrs. Dawson is usually busy because she does her housework可知，故选C。
【37题详解】
细节理解题。根据The name of this village is Belmont. It's a little village near a big city可知，故选A。
【38题详解】
细节理解题。根据Mr. Dawson sometimes helps his wife (妻子), too可知，故选D。
【39题详解】
细节理解题。根据Her daughter, Ann helps her a little every day可知，故选C。
【40题详解】
细节理解题。根据It is like(像)a little town, but it's usually more quiet and people are more friendly可知，故选D。
单词拼写
41. Can you tell me your_______（名字）,boys
42. Who is your_______（主人） Tom is．
43. We love_______（跳舞）and enjoy_______（唱歌）．
44. My_______（业余爱好）are playing football and reading.
45. She is good at_______（游泳）
【答案】41. name
42. master 43. (1). dancing (2). singing
44. hobbies
45. swimming
【解析】
【41题详解】
名字是name，故答案为name。
【42题详解】
主人是master，故答案为master。
【43题详解】
跳舞是dance；唱歌是sing。Love和enjoy后都跟动名词形式。故答案为dancing，singing。
【44题详解】
业余爱好是hobby，根据后面的系动词are可知，此处名词用复数。故答案为hobbies。
【45题详解】
游泳是swim，介词at后跟动名词形式。故答案为swimming。
用括号内所给词适当形式填空
46. _______ (not talk) with me. I_______ (write) to my friend now.
47. Little Tom can__________ (fly) Kites in the park.
48. My sister always_______ (enjoy) herself at weekends.
49. _______ Tom's school football team_______ (win) the match, Linda
50. Do you enjoy_______ (listen) to music
【答案】46. (1). Don't talk (2). am writing
47. fly 48. enjoys
49. (1). Does (2). win
50. listening
【解析】
【46题详解】
根据所给句子可知，本题第一句是祈使句，故以don’t开头；第二句根据now可知，用现在进行时。故答案为Don’t talk; am swimming。
【47题详解】
Can后跟动词原形。故答案为fly。
【48题详解】
根据句意本题用一般现在时，主语是第三人称单数，动词用第三人称单数。故答案为enjoys。
【49题详解】
根据句意和句式结构，本题是一般现在时的句子的一般疑问句，句中有实义动词win，应以do或does开头，动词用原形。根据主语Tom's school football team可知，本题用does。故答案为Does, win。
【50题详解】
动词enjoy后跟动名词形式，故答案为listening。
翻译句子
51. 让我们放学后一起去跳舞。
52. 见到你很高兴。
53. 在校她擅长于画画。
54. 桑迪没有长头发。
55. 我来自北京，与家人住在一起。
【答案】51. Let's dance after school
52. Nice to meet you.
53. She is good at drawing at school.
54. Sandy doesn't have long hair.
55. I come from Beijing, and live with my family.
【解析】
【51题详解】
让我们去做某事用句型let’s do sth；放学后是after school。故答案为Let's dance after school。
【52题详解】
见到你很高兴是nice to meet you.故答案为Nice to meet you.
【53题详解】
擅长做某事是be good at doing sth；在学校是at school。故答案为She is good at drawing at school。
【54题详解】
有用have，长头发是long hair。故答案为Sandy doesn't have long hair。
【55题详解】
来自某地是come/be from; 和某人住在一起用live with。故答案为I come from Beijing, and live with my family。
56. 书面表达
你七年级的英语老师是新老师，这儿有一张他的照片和他的相关信息，请根据照片及这些信息，向你的同学们介绍你的这位新老师（50个单词左右）。
_____________________________________________________________________________
_____________________________________________________________________________
_____________________________________________________________________________
【答案】Hello, everyone. Now let me introduce our new English teacher to you. His name is Mr. Wang. He comes from Hefei. His English name is Michael. He is thirty. He is tall and slim. He often wears glasses. His hair is short. His favourite sport is playing tennis. He likes playing computer games and singing, too. He is very good at teaching English.
【解析】
试题分析：这是一篇材料作文，表中提示内容就是本文的写作要点。这些要点构成写作的基本框架。我们要做的就是用正确的英语把要点表达出来，并适当发挥想象说出自己的观点。动笔前要认真阅读材料，不要遗漏要点，并适当发挥。根据材料内容可知本文主要是用一般现在时态来写，要注意主谓一致等问题。写作中要适当使用连词，注意上下文联系紧密，符合逻辑关系。
点睛：首先认真审题，看清题目中的要求和要点；然后根据表中内容，列出写作要点及每个要点中可能要用到的表达；然后紧扣要点，动笔写作，在写作过程中，要注意句与句、段与段之间的过渡，必要时可适当运用表示转折、因果、并列、比较等关系的连词，使文章过渡平稳，自然流畅；最后要细心复核检查，确保正确无误。