（一轮复习）
1.There is a possibility that all Americans realize that _______ will be the next president will face masses of problems.
A. who B. whoever C. whomever D. no matter who 【答案】 B
【解析】句意：或许所有美国人都应该意识到无论谁作为下一届总统都会面临大量问题。此处是主语从句连接词，从句缺少主语，且意为“无论谁”，应用whoever引导，故选B。 2.The spokesman noted ________ some individuals apparently lack is not the means to get the correct information, but the courage and conscience to admit the truth.
A. which B. that C. whether D. what 【答案】 D
【解析】句意：发言人指出，有些人显然缺乏的不是获得正确信息的手段，而是勇气和良心去 承认真相。________ some individuals apparently lack是一个主语从句，用what引导。故选D。3. life exists on any other planet in the solar system still remains a question. A. Why B. Whether C. How D. Where 【答案】 B
【解析】句意：在太阳系的其他星球是否存在生命仍是个谜。why“ 为什么”；whether“是否”；how “如何”；where “何处”。 life exists on any other planet in the solar system是本句的主语，是一个主语从句，whether符合语境，故选B。
4._____ stops learning is old and stays learning is young, whether at twenty or eighty. A. What B. Who C. That D. Whoever 【答案】 D
【解析】句意：不管是二十岁还是八十岁，停止学习的人就是老年人，仍在学习的人就是年轻人。_____ stops learning是主语从句，引导词在句中作主语，结合句意，可知用whoever，故选D。
5.____ is known to us all is that the 2012 Olympic Games will take place in London. A. It B. Which C. As D. What 【答案】 D
【解析】句意：众所周知，2012年奥运会将在伦敦举行。通过分析句子结构，____ is known to us all是主语从句，引导词在主语从句中作主语，故用What，选D。 6.— What do you think made the 92nd Academy Awards so special? ——_______ Parasite from South Korea won a total of four Oscars.
A. Because B. What C. That D. Whether 【答案】 C
【解析】句意：—你认为是什么使得第九十二届的奥斯卡颁奖典礼如此特别？—那当然是来自韩国的电影《寄生虫》获得了四个奥斯卡奖项了。作为回答，省略了后半句made the awards special，可见空格处所填的是名词性从句引导词that，只起连接作用，作主语，不可省略。故选C。
7.Throughout its early years, _______ we now call hip hop evolved without even having a name. A. which B. what C. when D. why 【答案】 A
【解析】句意：在它的早期，我们现在所称的嘻哈音乐甚至都没有名字。what既要引导主语从句，又要作call的宾语。故选B。
【总结】考查名词性从句，本题涉及what引导的主语从句。
8.______\"eat more if you're losing weight\" really means is that if you eat 5 to 6 small, healthy meals throughout the day, you will lose weight over time.
A. Which B. That C. What D. Whether 【答案】 C
【解析】句意：”减肥后多吃点”的真正意思是如果你一天吃五到六顿小而健康的食物,随着时间的推移，你会减肥的。______\"eat more if you're losing weight\" really means 是主语从句，缺少means的宾语，故填代词what，选C。
9.Every year, __________ makes the most beautiful kite will win a prize in the Kite Festival. A. whoever B. whomever C. no matter who D. no matter whom 【答案】 A
【解析】句意：每年，无论是谁制作出了最漂亮的风筝都可以在风筝节上获奖。分析句子成分，可知这句话缺少主语。A. whoever“无论是谁”，主格形式；B. whomever“无论是谁”，宾格形式；C. no matter who“无论是谁”；D. no matter whom“无论是谁”。这四个词意思都很接近，但是语法功能不同。no matter+疑问词只能引导状语从句，不能引导名词性从句。Whomever是宾格，不能在句中充当主语。综合以上分析，whoever作主语。故选A。
10._____Macao has achieved shows _____\"one country, two systems\" principle is the best solution to the Macao and Hongkong question, left by history.
A. That; what B. What; that C. What; what D. That; that 【答案】 B
【解析】句意：澳门取得的成就表明，“一国两制”原则是解决历史遗留下来的澳门和香港问题的最好办法。分析句子可知，_____Macao has achieved为主语从句，从句中achieve缺少宾语，所以第一个空用what来充当宾语。再分析句子可知，shows后接宾语从句，从句句意和结构完成，所以第二个空应填连接词that。故选B。
11._______ in the regulations that you shouldn't tell other people the password of your e-mail account.
A. As is required B. It is required C. It requires D. What is required 【答案】 B
【解析】句意：根据规定，你不应该告诉别人你电子邮件账户的密码。It is required that...，固定句式“据要求，根据规定”，it在句中作形式主语，真正的主语是后面that引导的主语从句。故选B。
12.________ his failure lies is expected ________ clear to us.
A. What… to make B. How… made C. Where… to be made D. Why… making 【答案】 C
【解析】句意：他的失败之处有可能被我们弄清楚。分析句子可知，主语从句中的lie为不及物动词，所以主句中缺少状语，因此填where。expect sth.to do.固定短语，“期望某事发生”，sth. be expected to do.意为”某事有可能发生“。make sth. clear to sb为固定搭配，意为“向某人阐明某事，使某人弄清某事”。本句中make的宾语是where his failure lies是被弄清楚，要用动词不定式的被动形式。因此选C。
13._______ is troubling me is ______ I don't understand ________ he said
A. What; that; what B. What; what; what C. That; that; what D. Why; that; which 【答案】 A
【解析】句意：我烦恼的是我不明白他说的话。第一空是主语从句，从句中缺主语，要用What；第二空是表语从句，从句不缺成分，所以要填that；第三空是宾语从句，从句中的动词understand缺宾语，要填what。故选A。
14.—It is _____ he often failed in exams _____ makes his parents worried about him.
—Actually, they needn't worry so much.
A. what, that B. that, what C. that, that D. /, that 【答案】 C
【解析】句意：—正是他经常考试不及格使他的父母担心他。—事实上，他们不必那么担心。that he often fails in 强调句型it is/was... that去掉后不影响句意，据此排除B；根据makes可知，exams是主语从句，he often fails in exams是主谓结构，不缺少成分，排除what；that引导主语从句时不能省略，排除D；故选C。
15.In the past, ____didn't make much of a difference to your success____ you had a good family background.
A. that; if B. it; whether C. that; whether D. it; if 【答案】 B
【解析】句意：在过去，是否有良好的家庭背景对你的成功并没有太大的影响。此处是it作形式主语，后面的主语从句是真正的主语，且if作“是否”讲时不能引导主语从句，故选B。 16._______ makes me feel worried is _______ singing stars are centered on by masses of teenagers today.
A. What; what B. That; that C. What; that D. That; what 【答案】 C
【解析】句意：让我感到担忧的是，今天的歌星是以青少年为中心的。分析句子可知，主语从句中的谓语动词makes 缺少主语，主语从句中缺少宾语一般用what，因此选择 what 来引导主语从句；系动词 is 后面的表语从句句意完整，不缺少成分，因此选择 that 引导表语从句。分析选项可知C项符合题意，故选C。
17._____ girls can be _____ they would like to be, whether it is a pilot or an astronaut, is being accepted all around the world.
A. What; whomever B. That; whatever C. If; whoever D. 不填; whatever 【答案】 B
【解析】句意：女孩子可以想当什么就当什么，无论是飞行员还是宇航员，这一点正在被世界各地的人们接受. 本题考查名词性从句中引导词的运用. 第二空是be动词后面的表语从句的引导词，表示\"职业\"，用whatever，排除A和C；去掉逗号中间插入的部分可见is前的主语从句\"girls can be whatever they would like to be\"从意思到成分都是完整的，故答案选择在名词性从句中不担任成分，无意义的that，故选B。
18.Exactly _________ the potato was introduced into Europe is uncertain, but it was probably around 1565.
A. whether B. when C. why D. how 【答案】 B
【解析】句意：土豆被引进欧洲具体的事件不被确定，但是可能是在1565年左右。根据时间状语round 1565得知这里是指时间不确定。故选B。
19.____________ the delayed flight will take off depends much on the weather. A. Why B. When C. That D. What 【答案】 B
【解析】句意：被延误的航班何时起飞依天气而定。题干中主句的谓语动词为depends，为此前面是主语从句。why在主语从句中做原因状语；when在主语从句中作时间状语；that在主语从句中不做任何成分；what在主语从句中作主语或宾语。根据语境判断主语从句中缺少时间状语，故选B。
20.________ no wonder that they had so much trouble.
A. This is B. That is C. It is D. There is 【答案】 C
it是形式主语，【解析】句意：难怪他们有这么多麻烦。本句是主语从句，真正的主语是that they had so much trouble。从句表示的“他们有那么多的麻烦”不惊讶。故选C。
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