名词性从句练习题及答案(共6页).docx
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1、精选优质文档-倾情为你奉上 名词性从句复习练.单句语法填空1Exactly _ the potato was introduced into Europe is uncertain, but it was probably around 1565答案:when句意:土豆被引入欧洲的确切时间不能确定,但很可能是1565年左右。分析句子结构可知,设空处为主语从句的引导词,从around 1565判断,这里指时间,故填when。2It shocked the world _ the United States withdrew from some major agreements it had be
2、en committed to, including the 2015 Paris Agreement on climate change and the 2015 Iran Nuclear Deal答案:that句意:令世界震惊的是,美国退出了它所承诺的一些主要协议,包括2015年巴黎气候变化协定和2015年伊朗核协议。此处it是形式主语,真正的主语是that引导的主语从句。3I need help now! I have to fix a leaking pipe in my bathroom but Im not sure _ to begin答案:where句意:我现在需要帮助!我不得
3、不修理洗手间里一个正在漏水的管子,但是我不确定从何处着手。此处表示是管子哪里漏水,表示地点,填where。4Forty grams of meat per day is _ people should consume in order to stay fit答案:what句意:为了保持健康,人们每天应该消耗40克肉。“_ people should consume”是表语从句,该从句中,consume缺少宾语,且表示“所的东西”,故要用what引导该从句。5The famous player tried again and again after each failure Thats _ he
4、 succeeded at last答案:why句意:每次失败后,这位著名的球员一次又一次地尝试。那就是为什么他最终成功了(的原因)。be后面的是一个表语从句,用why引导从句,表示结果,故填why。6The retired engineer is showing _ the wheelchair climbs stairs, which all the curious visitors want to know 答案:how句意:这位退休的工程师正在展示轮椅如何爬楼梯,这是所有有好奇心的游客想知道的。由句意可知,填how,意为“怎么,如何”。这是how引导的宾语从句。7It hasnt be
5、en made clear _ the new underground line is to be open to traffic答案:when句意:新的地铁线路何时开放还不清楚。由句意可知,填when。这是when引导的主语从句,it是形式主语。8The problem is _ sometimes when we are given something on a constant basis, we start to take it for granted and forget to be thankful for what we already have答案:that句意:问题是,有时候
6、当我们不断地被给予某些东西时,我们就认为这是理所当然的,从而忘记了要对我们已经拥有的东西应该心存感恩。由于从句中成分完整,因此应用that来引导,that在从句中只起连接作用,不作任何成分。 9Ten percent of life is _ happens to you and ninety percent is _ you respond to it答案:what; how句意:生活的百分之十是事件本身,另有百分之九十在于你如何回应它。分析句子结构可知,第一空引导表语从句,happens to you缺少主语,意为“什么事”,因此应用what来引导;第二空也引导表语从句,you respo
7、nd to it成分齐全,因此应用how,表方式。 10After a days exhausting climb we arrived at _ we had been told was Garden in the Air答案:what句意:经过一天筋疲力尽的攀爬,我们终于到了那个被称为“空中花园”的地方。分析句子结构可知,at为介词,后面是一个宾语从句,we had been told为插入语,宾语从句中缺主语,且在句中意为“的事物(东西)”,故用what。 11Sometimes, _ we show our gratitude to a person is reflected in t
8、he kind of food we serve him or her答案:how句意:有时我们如何表达对一个人的感激之情会体现在招待他或她的食物种类上。此处用how,表方式,引导主语从句。12It remains to be seen _ this plan is practical enough to keep the project going答案:whether句意:这个计划是否足够可行来让这个工程继续下去,还有待于进一步观察。whether引导主语从句,it是形式主语。13Some summer camps can provide you with as many as ten co
9、urses, and you are required to choose _ suits you best 答案:whichever句意:一些夏令营可以提供多达10门课程,你可以从中选择最适合自己的课程。choose后面是宾语从句,从句中缺少主语,且前句提到范围即as many as ten courses,故此处表示你最喜欢的任何一门,故填whichever。14It is reported that a huge percentage of bird species are in danger Its _ their habitats or homelands are disappear
10、ing 答案:because句意:据报道大部分鸟类正面临危险。这是因为它们的栖息地或家园正在消失。空格处引导表语从句。根据前后两句的关系,空格处表示因果关系,故使用because。15I just wonder _ it is that all the villagers think highly of him 答案:why句意:我就是想知道为什么所有的村民对他的评价这么高。wonder后面用why引导宾语从句。16The most exciting moment was _ I was given the first prize答案:when句意:我最兴奋的时刻是我获得第一名的时候。根据句中
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