人教版中考英语九年级英语初中英语连词单元测试题(含答案)含答案解析
人教版中考英语专项训练 初中英语连词本章综合与测试(解析版)含答案解析
人教版中考英语专项训练初中英语连词本章综合与测试（解析版）含答案解析一、初中英语连词1．—Mom, I want to be an engineer when I grow up.—Son, your dream will not come true _____ you keep trying your best.A. whenB. whetherC. unlessD. because【答案】 C2．Tom won't play computer games __________ he finishes his homework.A. ifB. so thatC. unlessD. although【答案】 C3．Love your parents __________ they are alive. Don't wait until it is too late.A. whileB. thoughC. becauseD. unless【答案】 A【解析】【分析】句意：当你父母活着时爱他们。
不要等到太迟才行动。
while当……时候；though虽然；because因为；unless除非，故选A。
根据句意只有A选项是正确的，其它选项翻译不通，故选A。
【点评】此题考查连词辨析。
弄清每个连词意思，根据语境和句意确定所使用的连词。
4．Yesterday morning I was just leaving the telephone rang.A. whenB. whileC. becauseD. since【答案】 A5．___________three fourths of the Earth's surface is covered with water, 97 percent of it is salt water in the sea.A. ButB. AlthoughC. AsD. However【答案】 B6．You can take___________ the train___________ the bus there. It will take the same amount of time.A. eithers orB. both andC. neither; norD. not only: but also【答案】 A7．Jim has been in the factory for two months ________ he left school.A. whenB. sinceC. as soon asD. whether【答案】 B8．She got up very early that day __________ she could catch the first train.A. becauseB. ifC. thoughD. so that【答案】 D9．The film is really exciting. ______the students ______ their teacher is enjoying the film.A. Both; andB. Not only; but alsoC. Either; orD. Neither; nor【答案】 B10．The situation is becoming more serious ________________ we do something to save the Earth.A. ifB. whenC. becauseD. unless【答案】 D11．Although she is under great stress, ______ she always wears a smile on her face.A. andB. orC. butD. /【答案】 D12．After the new high-speed railway line began operations, the time on the trip from Lianyungang to Qingdao now is much less than __________in the past.A. oneB. thisC. thatD. it【答案】 C【解析】【分析】句意：新高速铁路开通后，连云港到青岛的时间比过去少了很多。
【英语】中考英语连词真题汇编(含答案)及解析
【英语】中考英语连词真题汇编(含答案)及解析一、初中英语连词1．Bill, stop smoking, you'll get better soon.A. butB. afterC. orD. and【答案】 D【解析】【分析】句意：比尔，不要抽烟，那么你很快好起来。
A.但是；B.在……之后；C.或者，否则；D.和。
该句是祈使句，且句子前后是并列顺承关系，因此用and，故答案选D。
【点评】考查连词辨析。
注意句子涉及到祈使句，and/or+陈述句的用法。
2．You like football ___________ she likes reading.A. WhenB. orC. becauseD. while【答案】 D3．—Why do many kids spend more time playing computer games?—Because their parents are _____ busy _____ they have little time to stay with their children. A. too, to B. so, that C. such, that D. enough, to【答案】 B4．It won't be a long time ________ your son comes back. Don't be worried.A. sinceB. asC. beforeD. unless【答案】 C5．—Tom, what does "Stay hungry, stay foolish." mean?—You can have your own understanding. But I think it means follow your original aspiration （初心） you will succeed.A. soB. butC. andD. or【答案】 C6．____it rained a lot, we enjoyed our holiday.A. AlthoughB. BecauseC. UnlessD. However【答案】 A7．Some people won't realize the importance of their health ____ they lose it.A. becauseB. afterC. whenD. until【答案】 D8．You will find it useful to learn to study by yourself _____ you go to college.A. whileB. untilC. SinceD. when【答案】 D9．My father was preparing for his speech ______________ my mother was doing some washing last night.A. ifB. unlessC. whileD. until【答案】 C10．Tom's father was cleaning the car _______________ his mother was doing housework.A. althoughB. asC. sinceD. while【答案】 D11．Jim has been in the factory for two months ________ he left school.A. whenB. sinceC. as soon asD. whether【答案】 B12．You can take___________ the train___________ the bus there. It will take the same amount of time.A. eithers orB. both andC. neither; norD. not only: but also【答案】 A13．Yesterday morning I was just leaving the telephone rang.A. whenB. whileC. becauseD. since【答案】 A14．Tom won't play computer games __________ he finishes his homework.A. ifB. so thatC. unlessD. although【答案】 C15．— Would you like to go camping this weekend?— I'd love to, ______________ I can't. I have to prepare for the English Speech Contest.A. andB. orC. butD. so【答案】 C【解析】【分析】句意：——这个周末你想去野营吗？——我很想去，但不行。
中考英语总复习 初中英语连词单元练习题(含答案)含答案解析
中考英语总复习初中英语连词单元练习题(含答案)含答案解析一、初中英语连词1．My father was preparing for his speech ______________ my mother was doing some washing last night.A. ifB. unlessC. whileD. until【答案】 C2．My mother has little interest in football ___________ she didn't watch the live match on TV yesterday evening.A. soB. ifC. thoughD. when【答案】 A3．Bill, stop smoking, you'll get better soon.A. butB. afterC. orD. and【答案】 D【解析】【分析】句意：比尔，不要抽烟，那么你很快好起来。
A.但是；B.在……之后；C.或者，否则；D.和。
该句是祈使句，且句子前后是并列顺承关系，因此用and，故答案选D。
【点评】考查连词辨析。
注意句子涉及到祈使句，and/or+陈述句的用法。
4．______________ you use your dictionary often, your spelling will improve.A. WhetherB. IfC. ThoughD. While【答案】 B【解析】【分析】句意：如果你经常使用字典，你的拼写就会变好。
A：Whether是否，不能引导条件状语从句。
B：If是否，可以引导条件状语从句；C：Though虽然；D：While当……时，然而。
根据前后句的意思，可知前句是后句发生的条件，要用连词if，故选B。
【点评】考查连词辨析。
理解连词的意思和用法，根据前后句的关系，选择正确的连词。
5．Your spoken English will get better and better ______________ you practise speaking more.A. beforeB. ifC. thoughD. until【答案】 B【解析】【分析】句意：如果你多练习说英语，你的英语口语会越来越好。
初中英语老师：中考英语易错知识点专练：连词(含答案和解析)
初中英语老师：中考英语易错知识点专练：连词（含答案和解析）初中英语老师:中考英语易错知识点专练:连词(含答案和解析)连词除了用于连接单词与单词、短语与短语，还主要用于并列句和主从复合句，初中阶段，关于从句，我们主要学习状语从句和宾语从句。
今天我们就一起来看看中考英语是怎样对连词进行考查的以及易错点在哪里～(本账号由三好网发起并运营)易错知识点清单1. as,while,whenas用作连词时,含义比较多:A)引导时间状语从句。
(1)用“as soon as”结构,意思是“一……就”。
例如:Please e-mail me as soon as you get there.请你一到那里就给我发电子邮件。
I’ll tell him the news as soon as he comes back.他一回来我就把这个消息告诉他。
(2)作“与……同时、一边……一边、当……的时候”讲时,强调主从句的动作同时发生,而从句的谓语动词必须是延续性动词。
例如:He read the letter as he walked along the river.他一边沿着河边走,一边读信。
As I waited at the stop, I heard a big noise.我在车站候车的时候,听到了一声巨响。
B)引导比较状语从句。
用于“as...as”结构中,第一个as是副词,第二个as 是连词。
否定句用not as/so...as结构。
例如:He sings as well as his brother.他唱歌和哥哥一样好。
Canoeing is not as/so interesting as sailing.划独木舟没有航海有趣。
C)引导原因状语从句。
表示明显的原因,意思是“由于、鉴于”。
例如:We all like her as she is kind.我们都喜欢她,因为她善良。
As you’re tired, you’d better have a rest.因为你疲劳,你最好休息一下。
【英语】 中考英语连词专项训练100(附答案)含解析
【英语】中考英语连词专项训练100(附答案)含解析一、初中英语连词1．The little boy was______ excited _____ say a word when he knew the result of the final exam.A. too; toB. so; thatC. so; asD. such; that【答案】 A【解析】【分析】句意：当这个小男孩知道期末考试的结果时，他激动得说不出话来。
A 太而……不能，不引导从句，B如此……以至于，修饰形容词，引导结果状语从句，C和……一样，不引导从句，D如此……以至于，修饰名词，引导结果状语从句，excited是形容词，此处是结果状语从句，故选A。
【点评】考查连词辨析，注意so...that引导结果状语从句的用法。
2．____it rained a lot, we enjoyed our holiday.A. AlthoughB. BecauseC. UnlessD. However【答案】 A3．Giveme your email address, _______I'll send you the form.A. orB. andC. butD. nor【答案】 B4．He knows a lot, ________ he is just a child.A. howeverB. thoughC. andD. because【答案】 B5．—Mom, I want to be an engineer when I grow up.—Son, your dream will not come true _____ you keep trying your best.A. whenB. whetherC. unlessD. because【答案】 C6．—Could you tell me more about the movie Frozen II __________ you have watched it.—No problem. But you'd better watch it in person __________ I can't express its beauty.A. since; soB. unless; asC. since; as【答案】 C7．Tom's father was cleaning the car _______________ his mother was doing housework.A. althoughB. asC. sinceD. while【答案】 D8．She got up late, __________ she missed the bus.A. soB. becauseC. thoughD. but【答案】 A9．___________three fourths of the Earth's surface is covered with water, 97 percent of it is salt water in the sea.A. ButB. AlthoughC. AsD. However【答案】 B10．Your dream will come true ______________ you put your heart and soul into it.A. ifB. unlessC. althoughD. until【答案】 A【解析】【分析】句意：如果你全心全意，那么你的梦想将会实现。
(英语)中考英语连词练习题及答案及解析
（英语）中考英语连词练习题及答案及解析一、初中英语连词1．— Do you know ____________Grandma is going to visit us？—Next Saturday. She told me on the phone.A. whereB. whyC. whenD. whether【答案】 C【解析】【分析】句意：——你知道奶奶什么时候来看望我们吗？——下周六。
她在电话告诉我们的。
where 哪里；why 为什么；when 何时；whether是否. 根据答语next Saturday，可知问的是时间，用when提问，故选C。
【点评】本题考查疑问词辨析。
根据答语确定所使用的疑问词。
2．Some people won't realize the importance of their health ____ they lose it.A. becauseB. afterC. whenD. until【答案】 D3．How can we improve our environment a lot each of us does something useful for it?A. whileB. untilC. afterD. unless【答案】 D4．—Learning to love is like learning to walk.—Yes, ______ we step out bravely, we'll find it's not so difficult.A. as a resultB. even thoughC. as long asD. as far as【答案】 C5．I got up at six this morning _____________ I could catch the early bus to Nanjing.A. soB. thatC. in order toD. so that【答案】 D6．He is getting fat, _______________ he has decided to go to work on foot.A. becauseB. thoughC. soD. and【答案】 C7．I don't like western food. I seldom eat it ______________ to McDonald's with my daughter.A. ifB. whenC. asD. unless【答案】 D8．__________ the teacher came in, the students stopped reading at once.A. WhenB. WhileC. BeforeD. /【答案】 A9．Jim has been in the factory for two months ________ he left school.A. whenB. sinceC. as soon asD. whether【答案】 B10．After the new high-speed railway line began operations, the time on the trip from Lianyungang to Qingdao now is much less than __________in the past.A. oneB. thisC. thatD. it【答案】 C【解析】【分析】句意：新高速铁路开通后，连云港到青岛的时间比过去少了很多。
中考英语连词练习题(含答案)
中考英语专题复习——连词（真题）一、单选题（共50题；共100分）1. ( 2分) It's hard for us to say goodbye ______ we have so many happy days to remember.A. soB. becauseC. althoughD. until2. ( 2分) Never put off ________ tomorrow what you can do today.A. untilB. beforeC. whenD. as3. ( 2分) She stopped talking her mother came into the room.A. as soon asB. unlessC. though4. ( 2分) —Will you go to the picnic this Saturday?—I'd like to, ______ I'll have to help look after my baby sister.A. butB. orC. andD. so5. ( 2分) I know his face ______ I can't remember his name.A. andB. butC. orD. so6. ( 2分) Little Jack has learned to do lots of things on his own, ______ he is only four years old.A. ifB. thoughC. forD. since7. ( 2分) Betty kept silent at first _______ soon she joined the other girls, chatting and laughing.A. soB. butC. orD. because8. ( 2分) —Why don't you get used to the life in Beijing?—_______ the crowded traffic _________ the high living cost. The only reason is the badly polluted air.A. Not only; but alsoB. Either; orC. Both; andD. Neither; nor9. ( 2分) Be patient! Give him more time, ______he will find the answer to the question on his own.A. butB. orC. andD. so10. ( 2分) — Learning to love is like learning to walk.—Yes, ______we step out bravely, we'll find it's not so difficult.A. as ifB. even thoughC. as long asD. as far as11. ( 2分) his right hand was hurt, he wrote slowly.A. Because; soB. Because; /C. Although; butD. Although; /12. ( 2分) —I really want to pass the exam for further study.—Believe in yourself, dear! Your dream will came true you put your heart into it.A. even ifB. as long asC. as soon as13. ( 2分) — What a mess! The sharing bikes are thrown everywhere.— Let's collect and put them in the right place they can be used conveniently.A. unlessB. so thatC. becauseD. so long as14. ( 2分) —It is said that children in South Korea have to hike and walk through mountains atnight their military(军事的) training.—Really? So their training is much harder than ours.A. afterB. sinceC. duringD. before15. ( 2分) We must find out the professor is coming, so we can book a room for him.A. howB. whyC. whenD. where16. ( 2分) He stayed up very late that night. __________ he woke up in the morning, the sun was already high up in the sky.A. UntilB. AfterC. WhileD. As17. ( 2分) You do not win respect by showing __________ you are, but what you're able to do.A. whereB. whoC. howD. when18. ( 2分) Square Dancing is good exercise for the old, sometimes it makes a lot of noise.A. IfB. AlthoughC. UntilD. Because19. ( 2分) Some people won't realize the importance of their health they lose it.A. becauseB. afterC. whenD. until20. ( 2分) —Excuse me. Is it my turn now?—Not yet. Please wait outside ________ your name is called.A. untilB. sinceC. so21. ( 2分) —There is always a smile on your face. Isn't there any trouble in your life?—Yes, there is. But life is like a mirror. you smile at it, it will smile back.A. WhenB. BeforeC. UntilD. After22. ( 2分) I like the city _____the people are really kind and friendly.A. thatB. whichC. whereD. who23. ( 2分) I always get up early on weekdays, ______I'm afraid I will be late for school.A. becauseB. soC. thoughD. than24. ( 2分) —I think the environment is terrible these years.—Yes, it will be even worse the government takes action it.A. until; protectB. unless; to protectC. if; protecting25. ( 2分) In summer, food will go bad quickly ________ we put it into a fridge.A. ifB. unlessC. as soon asD. while26. ( 2分) Tony was drawing a picture_______ I was doing my homework.A. ifB. becauseC. whileD. until27. ( 2分) It is raining heavily, none of the students are late for school.A. althoughB. butC. soD. because28. ( 2分) —What do you think of your junior high school life?—I think it is enjoyable, I sometimes have some trouble in study.A. ifB. thoughC. whileD. until29. ( 2分) Anna her brother like listening to soft music.A. Both; andB. Neither; norC. Either; orD. Not only; but also30. ( 2分) — Can students go online during lessons?—They can ________ it is for that lesson.A. ifB. orC. soD. but31. ( 2分) —It has been much easier for me to go to work________ shared bikes appeared.—But they also caused plenty of problems.A. sinceB. beforeC. unlessD. though32. ( 2分) — Which show do you prefer, Running Man or The Reader?— The reader, of course. ________ I _______ my brother likes it.A. Both; andB. Neither; norC. Either; orD. Not only; but also33. ( 2分) Mr Black walked around and offered help ____ we were doing an experiment.A. whileB. althoughC. untilD. unless34. ( 2分) Peter spent half a day fishing by the river, ______ he didn't catch anything.A. soB. orC. forD. but35. ( 2分) Most British people drink tea every day _______ they prefer black tea. They usually add milk or sugar to their tea.A. soB. orC. butD. and36. ( 2分) When you are in your school dining hall during lunchtime, you may feel lonely _______ you can find someone to have lunch with.A. ifB. unlessC. afterD. because37. ( 2分) Mexican and Tex-Mex foods were popular in the USA, _______ now Chinese food has more fans.A. becauseB. butC. soD. unless38. ( 2分) The words "Araceli", "kaya k" and “level" are the same they are read left tonight or right to left.A. sinceB. thoughC. unlessD. whether39. ( 2分) Work hard, ____________you'll catch up with your classmates next time.A. andB. orC. but40. ( 2分) —Do you still remember our primary school teacher Mrs. Liu?—Yes. She always encouraged us and gave us support we met difficulties.A. wheneverB. whateverC. however41. ( 2分) Many people like pandas they are cute.A. thoughB. ifC. whileD. because42. ( 2分) The manager of the hotel was waiting at the gate _______ the guests arrived.A. whileB. whenC. unlessD. after43. ( 2分) My grandfather does Chinese Kung Fu every day _________ he is over eighty.A. sinceB. thoughC. until44. ( 2分) When you're tired, you can get close to the nature you'll feel relaxed in the beauty all around.A. orB. andC. but45. ( 2分) Lots of scientists are working hard _____ send astronauts to Mars.A. soB. butC. in order toD. so that46. ( 2分) —I won't go travelling again during the spring festival. You can't imagine how expensive the hotel is!—____________. The transport is a big problem, too.A. So will IB. Nor do IC. Neither will ID. So I will47. ( 2分) Work really hard, you can realize your dream of becoming a pilot.A. butB. soC. orD. and48. ( 2分) We will have to cancel the baseball match the weather improves.A. unlessB. becauseC. as soon asD. if49. ( 2分) Daily homework is necessary, _________too much of it may bring harm to students.A. soB. forC. butD. or50. ( 2分) The Italian woman didn't feel a culture shock________it was her first time to Shanghai.A. thoughB. sinceC. ifD. when答案解析部分一、单选题1.【答案】B【考点】表因果关系的连词，连词辨析【解析】【分析】句意：说再见不容易，因为我们有那么多的值得记住的快乐日子。
人教版中考英语专项训练 初中英语连词单元检测题含答案解析(1)
人教版中考英语专项训练初中英语连词单元检测题含答案解析(1)一、初中英语连词1．A recent survey shows that 44 percent of Americans want to use self-driving cars, _________34 percent believe that they will make the roads mote dangerous.A. althoughB. becauseC. if【答案】 A【解析】【分析】句意：一个近来的调查显示44%的美国人想要使用无人驾驶车，尽管34%的人相信它们会让道路更加危险。
A. 尽管；B. 因为；C. 如果，根据两句的关系可知是让步状语从句，although：尽管，故选A。
【点评】考查连词辨析，根据语境确定两句的关系，选出合适的连词。
2．My mother has little interest in football ___________ she didn't watch the live match on TV yesterday evening.A. soB. ifC. thoughD. when【答案】 A3．The environment will be much worse ______everyone has a sense of protecting it.A. unlessB. ifC. so that【答案】 A【解析】【分析】句意：除非每个人有保护环境的意识，否则环境将会更糟糕。
A除非……否则；B如果；C为了。
除非有环保意识，否则环境将变得更糟，本句是unless引导的条件状语从句，故答案选A。
【点评】考查连词辨析，首先识记连词词义，然后根据词义和句意确定。
4．—Is your WeChat account （账户） safe?—Yes, even my father can't use it __________ I tell him the password.A. whenB. unlessC. whileD. if【答案】 B【解析】【分析】句意：——你的微信账号安全吗？——是的，甚至我父亲都不能使用，除非我告诉他密码。
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人教版中考英语九年级英语初中英语连词单元测试题(含答案)含答案解析一、初中英语连词1．_____________ my brother arrived in Thailand, he visited the local biggest temple at once.A. As soon asB. WhileC. UntilD. Before【答案】 A2．Tom won't play computer games __________ he finishes his homework.A. ifB. so thatC. unlessD. although【答案】 C3．The Great Wall is famous lots of visitors all over the world come to visit it every year.A. so; thatB. such; thatC. enough; thatD. very; that【答案】 A【解析】【分析】句意：长城是如此著名，以至于每年都有许多世界各地的游客来参观它。
enough和very不引导从句，故C，D选项被排除，so+形容词+that，引导结果状语从句，such+名词+that，引导结果状语从句，famous是形容词，故选A。
【点评】考查连词辨析，注意such+名词+that，引导结果状语从句的用法。
4．______________ you use your dictionary often, your spelling will improve.A. WhetherB. IfC. ThoughD. While【答案】 B【解析】【分析】句意：如果你经常使用字典，你的拼写就会变好。
A：Whether是否，不能引导条件状语从句。
B：If是否，可以引导条件状语从句；C：Though虽然；D：While当……时，然而。
根据前后句的意思，可知前句是后句发生的条件，要用连词if，故选B。
【点评】考查连词辨析。
理解连词的意思和用法，根据前后句的关系，选择正确的连词。
5．You'll have a great time ______________ you go to the party.A. soB. ifC. although【答案】 B【解析】【分析】句意：如果你去参加聚会，你会玩得很开心的。
A：so因此，表示结果； B： if 如果，表示条件；C： although尽管，表示让步。
根据前后句的意思，可知后句是前句的条件，故选B。
【点评】考查连词辨析。
理解连词意思和用法，根据前后句的关系，选择正确的连词。
6．_________ we didn't win the basketball game, we were satisfied with our hard work.A. IfB. ThoughC. SinceD. Because【答案】 B【解析】【分析】句意：虽然我们没有赢得篮球赛，但我们对我们的努力感到满意。
A：If如果，表示假设条件；B：Though 虽然，表示转折；C：Since既然；明显的原因；D：Because因为，表示原因。
根据前后句意思，可知前后句是转折关系，要用though，故选B。
【点评】考查连词辨析。
理解连词的意思和用法，根据前后句的关系，选择正确的连词。
7．After the new high-speed railway line began operations, the time on the trip from Lianyungang to Qingdao now is much less than __________in the past.A. oneB. thisC. thatD. it【答案】 C【解析】【分析】句意：新高速铁路开通后，连云港到青岛的时间比过去少了很多。
A：one，一，同类中的一个；B：this（指时间、距离较近或下文要提到的人或事物）这个；C：that，（指时间、距离较远或指上文提到过人或事物）那，那个；D：it它指与上文的同一个。
根据 the time on the trip from Lianyungang to Qingdao now，可知是指上文提到过时间，要用that。
故选C。
【点评】考查连词辨析。
理解选项意思和用法，根据句子的语法结构，选择正确的连词。
8．You can take___________ the train___________ the bus there. It will take the same amountof time.A. eithers orB. both andC. neither; norD. not only: but also【答案】 A9．The film is really exciting. ______the students ______ their teacher is enjoying the film. A. Both; and B. Not only; but also C. Either; or D. Neither; nor【答案】 B10．I don't like western food. I seldom eat it ______________ to McDonald's with my daughter.A. ifB. whenC. asD. unless【答案】 D11．Tom's father was cleaning the car _______________ his mother was doing housework. A. although B. as C. since D. while【答案】 D12．_____________ Chinese, we study English, Maths and physics in school.A. ExceptB. BesidesC. BesideD. Without【答案】 B【解析】【分析】句意：除了语文，在学校我们还学习英语，数学和物理。
A： Except，除了……，不包括后面的部分。
B：Besides，除了……还有，包括后面的部分。
C：Beside，在……旁边。
D： Without，没有。
根据Chinese, we study English, Maths and physics in school.可知，在学校我们要学习语文，数学，英语和物理，所以包括语文，要用besides，故选B。
【点评】考查连词辨析。
注意词意和用法，结合句意和语境，选出正确答案。
13．My wallet dropped on the ground ________________ I was walking.A. beforeB. afterC. whileD. because【答案】 C14．I've wanted to read Peter Pan for long, _________ today I finally borrowed the book from the library.A. orB. butC. andD. since【答案】 C【解析】【分析】句意：我一直想读《彼得潘》，今天我终于从图书馆借到了这本书。
A 或者、否则；B但是，C和；D自从，句子前后是并列关系，则应用连词and，故选C。
【点评】此题考查联系辨析。
根据两句之间的关系确定所使用的连词。
15．I got up at six this morning _____________ I could catch the early bus to Nanjing.A. soB. thatC. in order toD. so that【答案】 D16．Although she is under great stress, ______ she always wears a smile on her face.A. andB. orC. butD. /【答案】 D17．—Could you tell me more about the movie Frozen II __________ you have watched it. —No problem. But you'd better watch it in person __________ I can't express its beauty.A. since; soB. unless; asC. since; as【答案】 C18．Some people won't realize the importance of their health ____ they lose it.A. becauseB. afterC. whenD. until【答案】 D19．He knows a lot, ________ he is just a child.A. howeverB. thoughC. andD. because【答案】 B20．They waited ____ it was dark before leaving, ____ they didn't want anyone to see themleave.A. since; becauseB. until; asC. unless; butD. so; because【答案】 B21．Giveme your email address, _______I'll send you the form.A. orB. andC. butD. nor【答案】 B22．I think you should be against the situation, ________, of course, you are happy with it.A. becauseB. howeverC. anywayD. unless【答案】 D23．It won't be a long time ________ your son comes back. Don't be worried.A. sinceB. asC. beforeD. unless【答案】 C24．—Why do many kids spend more time playing computer games?—Because their parents are _____ busy _____ they have little time to stay with their children. A. too, to B. so, that C. such, that D. enough, to【答案】 B25．Peter bought some goldfish ______________ he found it difficult to raise them.A. becauseB. orC. thoughD. until【答案】 C26．________ you sit in front of the computer all day while working, you'd better take exercise for at least an hour every day.A. Even ifB. Even thoughC. SinceD. As if【答案】 C【解析】【分析】句意：既然你整天坐在电脑前工作，你最好每天锻炼至少一小时。