语法专项提升 专题十
Ⅰ.单句语法填空
1．Once you are aware of the trick used in advertisements, I don't think you are eager to buy.
2．Online information helps you a lot with house–hunting. But you can't really tell if you'll like a place until you see it.
3．Many people believe we are heading for environment disaster unless we basically change the way we live.
解析 句意：许多人认为除非我们从根本上改变我们的生活方式，否则，我们无法停止走向因环境问题而引起的灾难。unless 意同if...not，即“如果不”。
4．There is nothing wrong with turning on the TV if/when watching it doesn't keep you from doing something important.
5．We all need knowledge from the past—whether it comes from personal experience or from studying history.
解析 句意：我们都需要过去的知识——无论是来自个人经验还是从历史中学习。从下半句中的or可以判断出此处是一个选择关系，即句式。
6．At present, visits can be arranged to many businesses and companies, so that they can see how different products are manufactured.
解析 句意：目前，可以安排他们去访问众多企业和公司，这样他们可以看到不同的产品是如何被制造的。上下句是表示目的关系。
7．Don't be discouraged. Take things as they are and you will enjoy every day of your life.
解析 句意：不要气馁，接受现状，你会享受你生活中的每一天。as 表示“方式”，意为“以……样子”。
8．But for now, they all have to postpone their plans until/till the winter storms pass.
解析 句意：但是现在他们都得把他们的计划推迟到冬季风暴结束时才能实施。根据句意可知填until/till，引导时间状语从句。
9．Experts are trying to work out a plan to deal with the problems caused by global warming before it is too late.
解析 五羊本田踏板摩托车句意：专家趁还来得及时正在努力制定一个计划来处理由全球变暖引起的问题。before 意为“在……之前”，可译为“趁……尚不晚”。
10．More and more people prefer to do volunteer work in areas which/that appeal to them to learn more.
解析 句意：越来越多的人更喜欢在能够吸引他们学习更多东西的地方做志愿工作。这是一个定语从句，引导词在从句中充当主语，而不是状语。
11．You will never gain success unless you are fully devoted to your work.
解析 句意：除非你全身心地投入工作，否则你永远不会取得成功。unless引导条件状语从句，意为“除非”。
12．The young couple, who returned my lost wallet, left before I could ask for their names.
解析 句意：那对年轻夫妇归还了我的钱包，还没等我问他们的姓名就离开了。before引导时间状语从句，句型“...before ”通常译为“还没等……，还没来得及就……”。
13．It was the middle of the night when my father woke me up and told me to watch the football game.
解析 句意：当父亲叫醒我让我看足球赛时已是午夜时分。it为非人称代词，指时间。when引导时间状语从句，同时也可以把该句看作when引导的定语从句。
temp是什么意思14．Half an hour later, Lucy still couldn't get a taxi where/after the bus had dropped her.
解析 句意：半小时过去了，可露西在下车的地方还是不到出租车。where在此处引导地点状语从句，意为“在……地方”。亦可用after，表示时间，即下车后……。
15．If Mr Dewey had been present, he would have offered any possible assistance to the people there.
解析 句意：如果杜威先生当时在场，他一定会给那儿的人提供任何可能的援助。此处if引导虚拟条件句，表示对过去的一种假设，句型为“if..., ...would ”。
16．Writing out all the invitations by hand was more time–consuming than we had expected.
解析 句意：手工填写所有的请柬比我们预料的还要费时。构成句型。
17．You'd better write down her phone number before you forget it.
解析 句意：最好趁你还没有忘赶快记下她的电话号码。before引导时间状语从句，表示“在……之前”。
18．It was John who broke your car. Why are you talking to me as if I had done it?
解析 句意：是约翰弄坏你的汽车的，为什么你那样对我说话？好像是我做的一样。as if意为“好像”，引导方式状语从句，根据句意可用虚拟语气。
19．Had he caught the morning train, he would not have been late for the meeting.
解析 句意：要是他赶上了早班火车，他开会就不会迟到了。此处为虚拟条件句的倒装，相当于If he 。
20．No sooner had Mo Yan stepped on the stage than the audience broke into thunderous applause.
解析 句意：莫言一上台观众就爆发出雷鸣般的掌声。构成句型，意为“一……就……”，注意主句用过去完成时，从句用一般过去时。
21．Was it because Jack came late for school that Mr Smith got angry?
解析 句意：是因为杰克上学迟到了史密斯先生才生气的吗？because引导原因状语从句，并将其置于强调句中。
22.Much as/though I have traveled, I have never seen anyone who's as capable as John.
解析 句意：虽然我见多识广，却从未见过像约翰这么有能力的人。as引导让步状语从句时需将表语或状语提前(名词提前时去掉冠词)，其他成分保持陈述句语序。though引导让步状语从句时可如as一样提前，也可如although那样不提前。
ora汽车23．—Dad, I've finished my assignment.
—Good, and whether you play or watch TV, you mustn't disturb me.
解析 句意：不论你是玩耍还是看电视，都不要打搅我。濮阳汽车为固定句式，引导让步状语从句，意为“不论……还是……”。
24．Although/Though small, the company has about 1,000 buyers in over 30 countries.
解析 句意：这家公司虽小，却在30多个国家里拥有约1 000名买手。此处从句主语与主句主语一致，所以从句中的主语和be动词可同时省略。原句应为Although/Though (the company is) small。
25．However amusing the story is, I have to put it away and focus my attention on study this week.
解析 句意：无论这故事多有趣，本周我都要把它放一边而关注我的学习。however等同于no matter how，引导让步状语从句，其后接形容词或副词。
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