2022高二英语寒假作业同步练习题it形式主语含解析.doc
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1、it形式主语1These a_ (惹人喜爱的) tree-hugging animals feed on tree leaves.(根据汉语意思填空)【答案】adorable【详解】考查形容词。句意:这些惹人喜爱的抱树动物以树叶为食。分析句子可知,adorable意为“惹人喜爱的”,形容词词性,在句中作定语修饰animals,表示惹人喜爱的动物,符合句意。故填adorable。2The novel has achieved e_(巨大的) popularity in Britain. (根据汉语意思填空)【答案】enormous【详解】考查形容词。句意:这部小说在英国大受欢迎。根据汉语及首字母
2、提示可知,此处使用形容词enormous。故填enormous。3The _(水族馆) is the very place that you cannot miss when you visit the city. (根据汉语意思填空)【答案】aquarium【详解】考查名词。句意:水族馆是你游览这座城市时不能错过的地方。分析句子可知,aquarium意为“水族馆”,名词词性,在句中作主语,表示水族馆是你不能错过的地方,符合句意。故填aquarium。4She excelled at impersonations of his teachers, which provided great_(娱
3、乐) for him. (根据汉语意思填空)【答案】amusement【详解】考查名词。句意:她擅长模仿他的老师,这给他带来了极大的乐趣。分析句子可知,句子为非限制性定语从句,great意为“极大的”,形容词词性,后接名词,amusement意为“娱乐”,名词词性,作provide的宾语。故填amusement。5I remember loving to go there and just _(闲逛) around and look at all the toys. (根据汉语意思填空)【答案】wander【详解】考查动词不定式。句意:我记得我喜欢去那里逛逛,看看所有的玩具。love to d
4、o喜欢做某事,该用法是固定用法,该空与go和look at并列,用动词原形,所以填wander。6His arms _ (摇摆) a lot as he walks alone on the path. (根据汉语意思填空)【答案】swing【详解】考查动词。句意:他一个人在小路上走的时候,手臂经常摆动。根据汉语提示可知,此处使用动词wing,作谓语,由as he walks alone on the path可知,应使用一般现在时,His arms是复数概念,谓语动词用复数形式。故填swing。7In an electric power plant, the heat turns water
5、 into high-pressure_ (蒸汽). (根据汉语意思填空)【答案】steam【详解】考查名词。句意:在发电厂,热量把水变成高压蒸汽。分析句意,steam译为“ 蒸汽”为不可数名词。作into的宾语。此处符合题意。故填steam。8There was a period of excessive warmth which melted some of the _(极地的) ice. (根据汉语意思填空)【答案】polar【详解】考查形容词。句意:有一段时间气温过高,使极地的一些冰融化了。该空修饰名词ice,用形容词,所以填polar。9The sandwich took the e
6、dge off my _(胃口). (根据汉语意思填空)【答案】appetite【详解】考查名词。句意:三明治使我胃口大减。off为介词后接名词。根据汉语提示,所以填名词appetite。故填appetite。10I always read her _(栏目) in the local paper. (根据汉语意思填空)【答案】column【详解】考查名词。句意:我经常在当地报纸上看到她的专栏。分析句意,column译为“专栏”为不可数名词,作read的宾语。故填column。语法专题(it作形式主语)(一) 作形式主语替代主语从句1.It is clear ( obvious, true,
7、possible, certain.) that .该句型中it 是形式主语,真正的主语是that 引导的主语从句,常译为清楚(显然,真的,肯定)是主语从句最常见的一种结构。 It is very clear that hes round and tall like a tree. = That hes round and tall like a tree is very clear. It is important ( necessary, right, strange, natural.) that . 该句型和上一个同属一个句型;由于主句中的形容词不同,that 后的从句中要用虚拟语气(
8、should + 动词原形),should 可以省去,建议记住该句型中的形容词。 It is important that we (should) learn English well. 2. It is said (reported/ learned/believed/thought/known/told/hoped.) that . 该句型中的it 仍是形式主语,真正主语是that 引导的主语从句;该结构常译为据说(据报道,据悉)。 It is said that he has come to Beijing. 该句型常可以转换成含有宾语从句的复合句或者含有不定式作主补的简单句。例如: I
9、ts said that Tom has come back from abroad.People say that Tom has come back from abroad.He is said to have come back from abroad. It is suggested ( ordered /demanded/insisted/commanded. ) that . 该句型和上一个同属一个句型,主句中的过去分词是表示请求,建议,命令等词时,that后的从句要用虚拟语气(should + 动词原形),should 可以省;常译为据建议;有命令.) It is suggest
10、ed that the meeting ( should ) be put off. 3.It is a pity ( a shame /an honour/a good thing/a fact,/a surprise/. ) that . 该句型中,that后的从句一般用虚拟语气(should + 动词原形),should可省去.表示出乎意料,常译为竟然。没有这种意义时,则不用虚拟语气。It is a pity that such a thing ( should ) happen in your class. 这种事竟然发生在你们班上,真是遗憾! 4. It happens (seems
11、, looks, appears ) that. 该句型中it是形式主语,that 引导的是主语从句,主句中的happen , seem等词是不及物动词。It happened ( so happened ) that he met his teacher in the street. 碰巧该句型可转换成含不定式的简单句。如上述两句可分别转换为:He happened to meet his teacher in the street.5.it代替连接代词或连接副词引导的从句作形式主语 (1)It is known(not decided,not made clear,found out,di
12、scussed,being discussed,being considered,a question,uncertain等)连接代词或连接副词引导的从句。 It is still a question when we shall have our sports meet. 我们将什么时候举行运动会还是一个问题。 (2)It doesnt matter(Its no wonder;It doesnt make too much difference等)连接代词或连接副词引导的从句。 It doesnt matter whether we go together or separately.我们
13、一起去还是分开去都可以。 练习:11It is not a problem_we can win the battle;its just a matter of time. (用适当的词填空)【答案】whether【详解】考查主语从句的连接词。句意:我们能否打赢这场战斗不是问题;这只是时间问题。根据下文its just a matter of time可知,此处指”我们能否打赢这场战斗不是问题”,it是形式主语,whether引导的从句是真正的主语。故答案为whether。12It is likely_you could suffer from bad health if you keep s
14、moking.(用适当的单词填空)【答案】that【详解】考查主语从句。句意:如果你继续吸烟,你的身体很可能会不好。分析句子结构可知,it是形式主语,真正的主语是you could suffer from bad health,从句句意完整、不缺成分,应使用只起连接作用、无实意的that引导。故填that。13It never occurred to me_you could persuade him to change his mind. (按要求补全句子)【答案】that【详解】考查主语从句。句意:我从没想到过你能说服他改变主意。It是形式主语,真正的主语是_ you could succ
15、eed in persuading him to change his mind这一主语从句,且从句不缺成分,句意完整,所以用that引导。故填that。14It remains a question _ we can get so much money in such a short time. (所给词的适当形式填空)【答案】how【详解】考查连接词。句意:我们怎么能在这么短的时间内弄到这么多钱还是个问题。此处为主语从句,it作形式主语,主语从句中缺少方式状语,表示“怎么,如何”故应用how。故填how。15It is recognised _ the environmental poll
16、ution has become more and more serious.(用适当的单词填空)【答案】that【详解】考查主语从句。句意:人们认识到环境污染已变得越来越严重。分析句子结构可知,这是一个主语从句结构,it 是形式主语,真正的主语是从句“ the environmental pollution has become more and more serious.”,且该从句句意完整,也不缺少主语和宾语,因此,该从句应该用that引导。故填that。16_occurred to me that the phone number I had told them was wrong.
17、(用适当的词填空)【答案】It【详解】考查形式主语it。句意:我突然想到我告诉他们的电话号码是错误的。It occurred to sb. that.“某人突然想到”,分析句子可知,that引导主语从句,用it作形式主语,故填It。17_ is obvious that he has finished his work. (用适当的词填空)【答案】It【详解】考查形式主语。句意:很明显,他已经完成了他的工作。分析句子结构,后面的从句that he has finished his work是句子真正的主语,放在句末,前面需要使用形式主语,句子第一个单词首字母大写,所以填It。18_is gen
18、erally recognized that he is one of the most famous musicians in our country. (用适当的单词填空)【答案】It【详解】考查it作形式主语。句意:众所周知,他是我国最著名的音乐家之一。分析句子可知,句中存在主语从句“that he is one of the most famous musicians in our country”后置,应使用形式主语it指代主语从句位于句首。故填It。19_ is not easy to balance his family with work as a researcher. (用
19、适当的单词填空)【答案】It【详解】考查it用作形式主语。句意:作为研究人员,很难把家庭和工作平衡。本句中真正的主语为 to balance his family with work,为了句式平衡,使用it作为形式主语。it用作形式主语的结构为It is + adj. + to do sth. 故填It。20_ is not really a good idea to use too many small color pieces. (用适当的单词填空)【答案】It【详解】考查形式主语。句意:使用太多的小色块并不是一个好主意。此处用it 作形式主语,动词不定式短语to use too many
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