1、Unit 4Section.语法填空1Everyone in the village is very friendly.It doesnt matter whether you have lived there for a short or a long time.解析：考查名词性从句。句意：村子里的人都很友好，所以你住在那里时间长还是短都没关系。it是形式主语，真正主语是whether引导的名词性从句。2It is immediately clear whether the financial crisis will soon be over.解析：考查主语从句的用法。句意：经济危机是否会很
2、快结束是很明显的事情。“是否”用whether表示，不能选when是因为从句中由soon这一时间状语。3It has been proved that eating vegetables in childhood helps to protect you against serious illnesses in later life.解析：句意：已经证实童年时期食用蔬菜有助于晚年保护自己避免患严重的疾病。It has been proved that.为主语从句，表示“已经证明” 。例如：Can it be proved that he did commit these offences? 能
3、证明他确实犯了这些罪吗？4What is obviously right is to give all children equal opportunities to develop their special gift.解析：考查主语从句的连接词。句意：明显正确的(做法)就是，给所有的孩子提供平等发展特殊才能的机会。所缺处引导一个主语从句，并在从句中作句子的主语，所以用what。5What was most important to her，she told me，was her family.解析：考查主语从句的用法。句意：她告诉我，对她来说最重要的是家庭。she told me为插入语，
4、what was most important to her为主语从句，其中what又是主语从句的主语。6Whoever wants to stay in a hotel has to pay their own way.解析：考查主语从句。句意：无论谁想住在旅馆都不得不用自己的方式支付。whoever意为“任何人，无论谁”，引导主语从句，作从句_wants to stay in a hotel 的主语。7It is none of your business what other people think about you.Believe yourself.解析：句意：其他人怎样想得你与你
5、无关，相信你自己。what引导主语从句，并在从句中作think的宾语。it作形式主语。为了使句子保持平衡，常用it代替主语从句或宾语从句，而把主语从句或宾语从句放到后面。8It suddenly occurred to him that he had left his keys in the office.解析：考查名词性从句。句意：他突然想到他把钥匙丢在了办公室。it是形式主语，真正主语是that引导的主语从句。It occured to sb.that.“某人突然想到”。9What he referred to in his article was unknown to the gener
6、al reader.解析：句意：普通读者不熟知他在文章中所提到的事物。what引导主语从句，并在从句中作referred to的宾语。10What makes this shop different is that it offers more personal services.解析：句意：这个商店经常提供个性化服务使得它与众不同。what引导主语从句，在从句中作主语。11It is often the case that anything is possible for those who hang on to hope.解析：考查主语从句。句意：通常对于那些心存希望的人来说一切皆有可能。
7、此句中it为形式主语，that从句为真正的主语。12Whoever burns the forest should be punished.解析：句意：任何放火焚烧森林的人都应该受到惩罚。这里用whoever引导的名词性从句，作句子的主语。13Whether the flight to Shanghai will be delayed is what Im especially worried about.解析：考查名词性从句。句意：飞往上海的航班是否耽搁是我特别担心的事情。whether“是否”，引导主语从句；what引导表语从句并在从句中充当介词about的宾语。14Mrs.White l
8、ooks old for her age.Yes.It worries her most that her hair is turning gray.解析：句意：怀特太太看上去比实际年龄大。是的，她的头发逐渐变白这件事让她最担心。it是形式主语，that引导的从句是真正的主语，that无词义，在从句中不作成分，符合题意。15It remains to be seen whether the newly formed committees policy can be put into practice.解析：句意：新组建的委员会的政策是否会付诸实施还有待观察。.单句改错1That the old
9、 mans son wanted to know was where the gold had been hidden.ThatWhat2What she will refuse the offer of help seems unlikely.WhatThat3It was a problem that they would support us.thatwhether4Whatever makes mistakes must correct them.WhateverWhoever5Why they will solve the serious problem today has not been decided.WhyHow6When will win the English competition is still a question.WhenWho7How our spring sports meet will be held or not this week is now not known yet.HowWhether8Its strange when he should have gone away without telling us.whenthat