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百日打卡--状语从句2
练习
1..Over time, 45 the population grew, people began cutting food into small pieces so it would cook more quickly.
【参考答案】as/when
【答案解析】考查时间状语从句。句意：随着人口的增长，人们开始把食物切成小块，这样可以煮得快一点，这里是时间状语从句，when意为＂当……的时候＂，后跟长动作或短动作，故填as／when。
2.The mother held the baby in her front paws much the way a human does. 46 it cried, she rocked it back and forth and gave it little comforting pats.
【参考答案】When/If
【答案解析】考查时间状语从句。句意：如果或当它哭的时候，她会前后摇动。故填When/If。
3.If you don’t understand something, you may research, study, and talk to other people ____ you figure it out.
A. because B. though C. until D. since
【参考答案】C
【答案解析】A. because 因为 B. though尽管 C. until 直到 D. since自从。句意：如果你无法理解某个东西，你可能会去研究，学习并和他人探讨直到你解决为止，根据句意可知选用until“直到”，选C。
4.（2017·天津卷·完形填空）She had been talking to her mother about the lives of homeless people 42 they first saw the homeless man.
A. since B. unless C. although D. as
【参考答案】A
【答案解析】考查连词。A. since 自从B. unless 除非C. although尽管D. as因为。句意：自从他们第一次看到无家可归的人，Hannah就一直在跟她的妈妈说流浪者的生活，根据句意可知选A。
5.I have heard a lot of good things about you I came back from abroad.
A. since B. until C. before D. When
【参考答案】A
【答案解析】考查状语从句。题干中主句谓语动词用现在完成时，从句中谓语动词用一般过去时，由题干意思可知所填词意思是：自从，因此用since引导时间状语从句。句意：自从我从国外回来后，我已经听说了很多关于你的好事。
6.We need to get to the root of the problem ______________ we can solve it.
A. while B. after C. before D. as
【参考答案】C
【答案解析】考查时间状语从句的连接词。句意：在我们解决问题之前，我们需要找到问题的根源。A. while当……的时候，而；B. after在……之后；C. before 在……之前；D. as正如。根据句意可知选C。
7.It ________ long before we ________ the result of the experiment.
A. will not be；will know B. is；will know
C. will not be；know D. is；know
【参考答案】C
【答案解析】句意：不会过很长一段时间我们就会知道实验结果。应使用It was not long before的创新 句型It will not be long before，before引导时间状语从句时，从句应用一般现在时代替一般将来时。
8.Scientists say it may be five or six years ________ it is possible to test this medicine on human patients.
A. since B. after C. before D. when
【参考答案】C
【答案解析】该句型也是It was not long before的创新句型。句意：科学家说也许再有5年时间这种药就可以在人类身上做实验了。
9. Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her.
A. until B. when C. although D. where
【答案】D
【解析】过了半个小时，Lucy还没有在下车的地方打到的士。从句中had dropped决定不能选择A、B两项；C项不合语境。where引导状语从句表示“等的士”的地点，故D项正确。
【名师点睛】本题考查定语从句。定语从句是高考重点考查知识之一，分析定语从句需要牢牢抓住两点：第一、找准先行词。第二、看先行词在从句中所作的成分。抓住这两点，再根据句意，从而能够判断出正确的关系词。
10.______ he once felt like giving up, he now has the determination to push further and keep on going.
A. Where B. As C. In case D. Now that
【答案】A
【解析】句意：曾经让他感到想放弃的地方，现在他决心继续前进。A那里；B尽管，当，因为，随着；C以防；D既然。where表示地点，引导让步状语从句；as引导让步状语从句常用倒装，即tried as he has；in case表目的；now that表原因。这里指让他感到想放弃的地方，故选A。
11.In the global economy, a new drug for cancer, ________ it is discovered, will create many economic possibilities around the world.
A.whatever B. whoever C. wherever D. whichever
【答案】C
【解析】考查状语从句。句意：在全球经济中，一种治疗癌症的新药，不管在哪里被发现，都会在世界范围内创造很多的经济可能性。分析句子结构可知，空格后的主要成分完整，缺少的是状语，所以wherever意为“无论哪里”，符合题意。whatever意为“无论什么”；whoever意为“无论谁”；whichever意为“无论哪个”。
12.（2019·江苏卷·单项填空）The doctor shares his phone number with the patients __________ they need medical assistance.
A. if only B. as if C. even though D. in case
【答案】D
【解析】考查状语从句的连词。句意：医生给了病人他的手机号码，以防病人需要医疗援助。A. if only要是……多好；B. as if好像，仿佛；C. even though即使，尽管；D. in case以备，以防，免得，引导条件状语从句。故选D。
13.（2019·天津卷·单项填空）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】C
【解析】考查连词辨析。句意：汤姆是如此独立，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，根据题意，故选C。unless在此引导条件状语从句。
14.(2018·北京卷·单项填空) _________ we don’t stop climate change, many animals and plants in the world will be gone.
A. Although B. While C. If D. Until
【答案】C
【解析】考查状语从句。句意：如果我们不阻止气候变化，那么世界上的很多动植物将会消失。分析句意及句子结构可知，动植物不灭绝的前提条件是阻止气候变化。although尽管；while当……时候，尽管；if如果；until直到。根据句意可知选C。
15.________ we have enough evidence, we can't win the case.
A.Once B. As long as C. Unless D. Since
【答案】C
【解析】考查连词。句意：如果我们没有足够的证据，我们就赢不了官司。后句说官司打不赢，用unless来表示相反的条件。
【名师点睛】条件状语从句就是在复合句中表示主句动作发生条件的状语从句。引导条件状语从句最经常用的连词是if，它的意思是＂如果＂； 也可以用unless引导：unless的意思是＂如果不＂＂除非＂，相当于if not。
16.You won’t find paper cutting difficult _____you keep practicing it.
A. even if B. as long as
C .as if D. ever since
【答案】B
【解析】句意：只要你不断练习，你不会觉得剪纸很难。A. even though即使，虽然;B. as long as只要；C. as if犹如，好像；D. ever since自从。结合句意，此处用as long as引导条件状语从句。故选B。
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百日打卡--状语从句2
练习
1.Over time, 45 the population grew, people began cutting food into small pieces so it would cook more quickly.
2.The mother held the baby in her front paws much the way a human does. 46 it cried, she rocked it back and forth and gave it little comforting pats.
3.If you don’t understand something, you may research, study, and talk to other people ____ you figure it out.
A. because B. though C. until D. since
4.（2017·天津卷·完形填空）She had been talking to her mother about the lives of homeless people 42 they first saw the homeless man.
A. since B. unless C. although D. as
5.I have heard a lot of good things about you I came back from abroad.
A. since B. until C. before D. When
6.We need to get to the root of the problem ______________ we can solve it.
A. while B. after C. before D. as
7.It ________ long before we ________ the result of the experiment.
A. will not be；will know B. is；will know
C. will not be；know D. is；know
8.Scientists say it may be five or six years ________ it is possible to test this medicine on human patients.
A. since B. after C. before D. when
9. Half an hour later, Lucy still couldn’t get a taxi _______ the bus had dropped her.
A. until B. when C. although D. where
10.______ he once felt like giving up, he now has the determination to push further and keep on going.
A. Where B. As C. In case D. Now that
11.In the global economy, a new drug for cancer, ________ it is discovered, will create many economic possibilities around the world.
A.whatever B. whoever C. wherever D. whichever
12.（2019·江苏卷·单项填空）The doctor shares his phone number with the patients __________ they need medical assistance.
A. if only B. as if C. even though D. in case
13.（2019·天津卷·单项填空）Tom is so independent that he never asks his parents' opinion _________ he wants their support.
A. since B. once
C. unless D. after
14.(2018·北京卷·单项填空) _________ we don’t stop climate change, many animals and plants in the world will be gone.
A. Although B. While C. If D. Until
15.________ we have enough evidence, we can't win the case.
A.Once B. As long as C. Unless D. Since
16.You won’t find paper cutting difficult _____you keep practicing it.
A. even if B. as long as
C .as if D. ever since
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
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