1、Unit 1单词精讲3.Then,as soon as you take the pressure off,it becomes a liquid again.然后,一旦去掉压力,它就会再次变成液体。【句式剖析】本句是一个复合句。主句是it becomes a liquid again,as soon as“一就”,引导时间状语从句。As soon as the two chicks hatch,they leave the nest.两只小鸟一出壳就离开了巢穴。As soon as we were inside,the rain began to bucket down.我们刚进屋,大雨便倾
2、盆而下。【句式拓展】(1)名词短语the moment,the minute,the second,the instant 等都可以表示“一就”。I loved you the instant (that) I saw you.我一见到你就爱上你了。Tell me the moment (that) you get the results.你一拿到结果就给我打电话。(2)副词immediately,directly,instantly等都可表示“一就”。I came immediately you called.你一打电话我就来了。4. Many scientists subscribe to
3、 the view that it is human activity that has caused global warming.许多科学家都认为是人类活动导致了全球变暖。【句式剖析】本句是一个复合句。Many scientists subscribe to.是主句,that引导的是同位语从句,其中it is human activity that.是强调句,强调的是从句的主语human activity。It was Haydn who encouraged Beethoven to move to Vienna.是海顿鼓励贝多芬移居维也纳的。It was my brother who
4、bought me the bike as a present.是我哥哥给我买的这辆自行车做礼物。【句式拓展】(1)强调句的基本句型:It is/was+被强调部分+that/who+句子其余部分.(2)强调句的一般疑问句形式:Was/Is it+被强调部分+that+句子其余部分?强调句的特殊疑问句形式:疑问词(被强调部分)+is/was+it+that+句子其余部分?(3)not until的强调句型:It is/was not until.that.It is summertime that means we can fire up the grill and enjoy the gre
5、at outdoors.正是夏日意味着我们可以生起烤架享受美好的户外时光。It was not until the area was seriously polluted that they realized that it was high time to take action to stop pollution.直到这个地方被严重污染了他们才意识到该采取行动阻止污染了。What was it that prevented him from coming in time?是什么使得他没及时来?5. When asked “Can we Chinese possibly make missi
6、les?”,his reply was a determined “Why not.”当被问到“我们中国人能制造导弹吗?” 他的回答是坚定的“为什么不能”【句式剖析】When asked.是省略句,省略了从句的主语和be动词,句子补全为:When he was asked.。When invited to dinner,I am often unsure whether to bring a present.When asked about her future after the race,guess how Cathy replied?【句式拓展】状语从句的主语和主句的主语一致时,且从句谓
7、语中含有be动词时,从句可以将主语和be动词简化掉。常用于以下几种情形:(1)连词+形容词As (he was) young,he learned how to ride a bike.Work hard when (you are) young,or youll regret.(2)连词+名词Although (he was) a farmer,now he is a famous director.(3)连词+动词-ing形式Although (he is) doing his best in maths these days,he has still got no good marks.
8、(4)连词+过去分词He wont go there with us unless (he is) invited.(5)连词+不定式He stood up as if (he were) to say something.(6)连词+介词短语She looked anxious as though (she was) in trouble.6. One theory was that bad air caused the disease. 本句中本句中that bad air caused the disease是是that引导的表语引导的表语从句从句, that在从句中不作成在从句中不作成
9、分分, 没有意没有意义义, 只只起连接作用。起连接作用。 eg. My dream was that I could have a three-bedroom house in that city.7. He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. 本句是本句是复合句复合句, 其中其中discovered后跟后跟that引导的宾语从句。在引导的宾语从句。在宾宾语从句语从句中中, 含有含有soth
10、at.引导引导的结果状语从句的结果状语从句。8. It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.have sth. done 结构结构so.that 引导结果状语从句引导结果状语从句It seemed that “看来看来”, ”, that引导表语从句引导表语从句9. The people who drank this water were much more likely to get cholera than t
11、hose who drank pure or boiled water. 前后两个前后两个who均引导定语从句。均引导定语从句。10.This was when you should have calmed down and got down to doing some solid work.这就是你本应该冷静下来做一些扎实的工作的时候。【词汇】calm down(使)平静下来;(使)镇定下来1. These useful tips will help you calm down before entering the room.2. The baby was crying and the m
12、other was trying her best to calm him down.【词汇】get down to开始干,着手做(尤指非常花费精力之事),其中的to是介词,后接动词时要用动词-ing形式。1. I must get down to study tonight,as the exams start next week.2. Theres not much time left.Lets get down to repairing the machine.【词汇拓展】【词汇拓展】get over克服克服get across被传达被传达;被理解被理解get through做完做完;通过通过(考试考试);接通接通(电话电话)get along/on with进展进展;与某人相处与某人相处【词汇】solid adj.可靠的;固体的;坚实的n.固体1. She didnt eat solid food for several weeks.2. This has provided a very solid foundation for the group to grow.3. The process of heating is to change something from a solid to a liquid.Unit 1THANKYOU
