轻松学习·备战高考
英语连词专项练习
1.Think about it twice before you actually do it, ________ I think, you may change your mind.
A. so B. but C. or D. and 答案及解析： D
句意：再考虑一下，我认为，你会改变主意。A. so“因此”；B. but“但是”；C. or“或者，否则”；D. and“和，并且”。分析句子可知，此处考查句型 祈使句+and/or+陈述句，and表顺承，or意为“否则”，表示转折；结合句意，此处表顺承，故用and连接，因此选D。 31.Wang Ping was very lucky to take up the job as a guide of \"Future
Tour\" company, she completed her studies in the university. A. the instant B. the hours C. the period D. the clock 答案及解析： A
句意：王萍很幸运，大学一毕业就找到了“未来旅游”公司的导游工作。A. the instant”一……就......“；B. the hours”小时“；C. the period”时期“；D. the clock”时钟“。根据上文的very lucky可知，是一毕业就找到工作，故选A。
3.I was on the point of speaking my wife stood up and stopped me. A. since B. as C. when D. while 答案及解析： C
句意：我正要说话时，我妻子站起来阻止了我。A. since“既然”；B. as“因为，如同”；C. when“当……时候”；D. while“然而，当……时候”。sb. be on the point of doing sth. when…固定句式，“某人正要做某事，突然……”。故选C。
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轻松学习·备战高考
【点评】考查状语从句，本题涉及when引导的时间状语从句以及固定句式be on the point of doing sth. when…。
4.The stranger shook me by the hand warmly ___ he were to say he knew me well.
A. even if B. when C. if D. as if 答案及解析：D
句意：陌生人热情的握着我的手好像他将要说他跟我很熟。A. even if“即使”；B. when“当…时候”；C. if“如果”；D. as if“好像”。Stranger陌生人，说明我和他不认识，再根据were to do得知，这里考查虚拟语气。表示好像。故选D。
5._______ the time we started gardening, we have been trying to make our environment more beautiful.
A. As B. When C. Since D. Until 答案及解析： C
句意：自从我们开始打理园艺以来，我们就一直试图把我们的环境打造得更美丽。since“自从……以来”引导时间状语从句。故选C。
6._________ you've paid in advance we won't charge you for delivery. A. In case of B. As long as C. above all D. on the whole 答案及解析： B
句意：只要你提前付钱，我们会免费送到。in case of“万一”；above all“首先”；on the whole“总的来说”；as long as“只要”。故选B。 7.It sounds like something is wrong with the car's engine. ________, we'd better take it to the garage immediately. A. Otherwise B. If not C. But for that D. If so 答案及解析： D
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轻松学习·备战高考
句意：听起来像是发动机有问题，如果是这样的话，我们最好马上去修理厂。A. Otherwise“否则”；B. If not“如果不”；C. But for that“要不是”；D. If so“如果是这样的话”。根据语境，故选D。 8.____hard a solid may be, we can change its shape. A. Whatever B. Whenever C. However D. Wherever 答案及解析： C
句意：不管固体有多硬，我们都能改变它的形状。A. Whatever”无论什么“；B. Whenever”无论何时“；C. However”无论如何“；D. Wherever”无论哪里“。however是副词，后一般接形容词，hard是形容词，故选C。
9.Jenny feels a blankness ________ she once felt a sense of purpose and excitement.
A. unless B. where C. as D. since 答案及解析： B
句意：Jenny现在感到一种空虚，然而她曾经有一种目标感和兴奋感。A. unless“除非”；B. where“然而”；C. as“因为”；D. since“因为”。分析句子可知，前后两句有转折关系，where相当于whereas意为“然而”，故选B。
10. , the students in Shiyan High School do about 3000 meters every day, their parents may do far more than that. A. In theory; but B. On average; while C. In particular; when D. In response; where 答案及解析： B
句意：平均，实验高中的学生每天走路3000米，而他们的家长走路比那多的多。in theory“理论上”；on average“平均”；in particular“尤其，特别”；in response“作出回答”。前后两句话之间是并列对比关系，but“但是”）；while“然而”；when“当……的时候”；wher“在哪儿”，可用but或while来连接。两个空格综合考虑，故选B。
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轻松学习·备战高考
11.Life is to be enjoyed. There is no point in giving up something you enjoy ________ you get something back that's even better. A. because B. so C. unless D. though 答案及解析： C
句意：生活是用来享受的，放弃你喜欢的东西毫无意义，除非你能得到更好的东西。because意为因为，引导原因状语从句；so意为因此，引导结果状语从句；unless意为除非，引导条件状语从句；though意为尽管，引导让步状语从句。根据句意可知本句应为条件状语从句，应用unless引导，故C项正确。
12.I am not afraid of tomorrow, I have seen yesterday and I love today.
A. so B. and C. for D. but 答案及解析： C
句意：我不害怕明天,因为我已经经历了昨天并且深爱着今天。so后跟结果;and表并列关系;for补充说明原因;but表转折。故选C。 13.Tom is so independent that he never asks his parents' opinion _________ he wants their support.
A. since B. once C. unless D. after 答案及解析： C
句意：汤姆是如此，以至于他从来不征求父母的意见，除非他想得到他们的支持。since“因为”；once“一旦”；unless“除非”；after“在……之后”。所以不征求父母的意见，但想要得到支持是意外情况，故选C。
14.—Will you go to the picnic tomorrow? —Not my dear dog is allowed to accompany me. A. if B. until C. unless D. when
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轻松学习·备战高考
答案及解析：C
句意：——你明天去野餐吗？——如果我的狗不允许陪伴着我的话我不去。原句表达为I will not go to the picnic tomorrow if my dog cannot accompany me.此处If not相当于unless\"除非\主句简化成了not，故选C。
15.Anderson made the announcement at the conference the company would be closing.
A. that B. when C. where D. whether 答案及解析： A
句意：安德森在会上宣布公司将关闭。本句是个同位语从句,用that 后面加句子来解释说明announcement 的内容，且that在句中不做成分，故选A。
16.________ gravity holds things together, some unknown ________ is working across the universe to pull everything apart. A. While; force B. When; power C. As; energy D. Since; strength 答案及解析： A
句意：当重力将事物结合在一起，一些未知的力量在宇宙中起作用，把所有东西分开。A. While“当……时候”；force“力量，力气”；B. When“当……时候”；power“权力”；C. As“因为”；energy“精力”；D. Since“自从”；strength“力气；长处”。故选A。
17.Follow your doctor's advice, _____ your cough will get worse. A. or B. and C. then D. so 答案及解析： A
句意：听从医生的建议，否则你的咳嗽会更糟糕。 A： or“否则”，表示转折关系；B： and“并且”，是递进、并列；C： then“那么”，但通常是和and一起用，即and then；D： so
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轻松学习·备战高考
“因此”，表示因果关系。故选A。
18._______ caused the accident has not been found out yet. A. What B. Which C. The thing D. That 答案及解析： A
句意：造成事故的原因还没有查明。此处为主语从句，从句中缺少主语，应该用what引导，故答案为A。
19.He was about to tell me the secret _______ someone patted me on the shoulder.
A. that B. which C. when D. until 答案及解析： C
【解析】【分析】句意：他正要告诉我这个秘密，这时有人拍了我的肩膀。be about to do when…表示“正要做……这时（突然）发生某事”，故答案为C。
【点评】考查固定句式，以及when引导时间状语从句的用法。 20.She found her calculator _____ she lost it. A. where B. when C. in which D. that
答案及解析：A
where句意：她在丢的地方又找到了她的计算器。分析句子成分可知，
引导地点状语从句，在句中做地点状语，B.when指时间，C.in which用在定语从句中考查, D.that常用在定语从句和名词性从句中考查，故答案为A。
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