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选择性必修二Unit 1 Science &Scientists 导学案NO.17
语法——表语从句
I. 完成并判断以下句子是什么从句
1. One theory was __________ bad air caused the disease.
2. The other was that cholera was caused by an _____________(infect) from germs in food or water.
3. It seemed that the woman liked the water from the pump so much that she had it _______________
(deliver) to her house every day.(改写)
____________________________________________________________________________________
____________________________________________________________________________________
4. The truth was that the water from the Broad Street pump ________________________(infect) by waste.
总结：以上都是______________从句。
II. 常见的宾语从句的引导词及特点
1. 完成句子：
①The good news is ______________________________________________________(英语测试取消了).
②It appears that____________________________________________________(你女朋友根本不喜欢你).
总结：that ________ 意义，在表语从句中 ______________ 成分,起______ 作用，________ 省略。
2. 把下面的一般疑问句变成从句
① Can you help me with my maths this weekend
My doubt is ___________________________________________________________________________.
② Did your sister pass the driving test last month
His question is ________________________________________________________________________.
总结：连接词_____________起连接作用，意为“是否”，在句中也不作任何成分（注意：if ________引导表语从句)。
3. 连词填空
1) China is no longer ________________ she used to be.
2) The question is ________________ of us should come first. (我们两个中的哪一个)
3) The problem is _______________ is really fit for the hard job.
4) The important thing is ________________name should be put on the top of the list.
5) All the students’ doubt is _____________ the headteacher will praise at the meeting.
总结：连接代词 __________、___________、___________、___________、___________ 除在句子中起连接作用外，还可在从句中作 _________、_________、_________ 或 __________，且各有词义。
4. 连词填空
1) That’s _______________ I can’t agree with you.
2) This is _______________ Tom was absent from school. (He was ill.)
3) This is _______________ they overcome the difficulties.
4) His strongest memory is ____________ he was taken to the Great Wall as a pupil.
总结：连接副词_________ 、__________、 _________、_________除在句中起连接作用外，在从句中还充当时间、地点、原因或方式状语，本身有词义。
5. 用why 、because 、that填空
1) Lily looks upset today; it is ___________ she failed to pass the exam yesterday.
2) It is raining cats and dogs and I went out without an umbrella; that’s ____________ I am all wet now.
3) The reason ________ the boy is punished is __________ he broke the rule of our class.
4）Why some students are tired of Learning English is __________ they can’t remember so many words.
总结：当主句的主语是 _____________ 或 why 引导的 ________________时常用 __________ 来引导表语从句，而不用 because。
a. That / This / It + is / was +why + 结果，表示“这/那就是…的原因”
b. That / This / It + is / was + because + 原因，表示“这/那是因为…”
c. The reason why … is that … 中 why 是引导 _______________，that 引导的是 _______________，表示“…的原因是…”。
6. 翻译下列句子
1) Dark clouds are gathering. It looks as if it’s going to rain.
2) It sounded as if the night would never end.
3) It seemed as if the world had come to an end.
总结：as if / as though 引导的表语从句常置于系动词look, seem, sound,be,become 等之后。
7. 虚拟语气的表语从句
1) My suggestion is that we _________________ (go) and help him.
2) His request is that he ________________ (send) abroad to receive further education .
总结：当主句的主语是表示建议（suggestion, advice）、命令（order, command）、要求（request, desire, requirement, demand, proposal）等的名词时，表语从句要用虚拟语气，即（should）+ 动词原形。
III. 练习
1.完成句子
1)The doctor's advice was __________________________________________________(你父亲应该戒烟)．
2) The require of the board is ______________________________________________(所有员工出席会议).
3) He is no longer (以前的样子).
4) The bottom line is (我们不管做什么都不能触碰法律.
5) The problem is _____________________________________________(我们怎么做才能解决经济危机)
2. 语篇填空
Cholera used to be 1. many people extremely feared in the world. Severe diarrhoea, dehydration, and even death are 2. this disease causes. The greatest pity was 3. no one knew how to prevent or treat cholera. In those days, doctors had two theories to explain how cholera spread, one of 4. was that bad air caused it while the other was 5. it was caused by an infection from germs in food or water. The second one was also 6. Snow subscribed to. Later, through Snow's tireless efforts, the truth he found out was 7. the infected water was to blame. So his suggestion to water companies was 8. they should sell clean water. What's more, 9. Snow used his maps and statistics transformed the way 10___________scientists study diseases.
1. That's makes the activity meaningful.
2. The question remains they will be able to help us.
3. All this was over twenty years ago, but it is as if it only yesterday.
4. I'm a bit sleepy now; it's I stayed up all night yesterday.
5. To practise as much as possible is the secret lies.
答案
I. 1. that 2. infection 3. delivered
The woman seemed to like the water from the pump so much that she had it delivered to her house every day. 4. had been infected
总结：表语
II. 1. ①that the English test was /has been called off. ②your girlfriend does not like you at all.
总结：无； 不做； 连接；不可以
2. ① whether you can help me with my maths this weekend
② whether your sister passed the driving test last month
总结：whether； 不能
3. 1) what 2) which 3) who 4) whose 5) whom / who
总结： what、 which 、who、 whom、 whose；主语、宾语、表语、定语
4. where, why , how , when
5. 1) because 2) why 3) why 、that 4) that
总结：the reason， 主语从句， that; 定语从句， 表语从句。
III. 1. 1) that your father (should) stop / give up smoking
2) that all employees (should) be present at / attend the meeting / conference
3) what he used to be
4) whatever we do can’t break the law
5) what we do can solve the economic crisis
2. 1. what 2. what 3. that 4. which 5. that
6. what 7. that 8. that 9. that 10. (that / in which)

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