高考英语语法复习课件-IT的用法及强调句

1、. careful person.,The use of It,2005.12.11,Summary,Eg:,It was we who/ that called on Professor Wang at his office this morning.,It was Professor Wang whom/ that/ who we called on at his office this morning.,It was in his office that we called on Professor Wang this morning.,It was this morning that

2、we called on Professor Wang in his office.,1. It is on this arable land that the farmers produce food for the whole population of China. 2. It was from the early 1990s that scientists started to develop new techniques to increase agricultural production without harming the environment.,怎样判断强调句?- 若是强

3、调句，去掉It be that 还应是一个完整的句子。 若不是强调句,去掉 It isthat已不是一个完整的句子。 Eg: It is ten years Miss Green returned to Canada. A. that B. when C. since D. as,Practice Rewrite these sentences, emphasising the underlined parts.,EXAMPLE: The farmers produce the food for the whole population of China on this arable land

4、.,It is on this arable land that the farmers produce the food for the whole population of China,The children often help their parents do the farm work.,It is the children who often help their parents do the farm work.,2. In 1993, a tomato was developed that was very different from any grown before.,

5、It was in 1993 that a tomato was developed that was very different from any grown before.,3. The biggest problem of China farmers is the shortage of arable land.,It is the shortage of arable land that is the biggest problem for Chinese farmers.,4.The plants grown in greenhouses are protected from th

6、e wind, rain and insects.,It is the plants grown in the greenhouses that are protected from the wind, rain and insects.,5.Future agriculture should depend on high technology as well as traditional methods. It is high technology as well as traditional methods that future agriculture should depend on,

7、It was Henry who gave George a new tie for his birthday last year. It was to George that Henry gave a new tie for his birthday last year. It was a new tie that Henry gave George for his birthday last year. It was last year that Henry gave George a new tie for his birthday last year.,2 . It was durin

8、g that period of time that they make these important discoveries. It was these important discoveries that they make during that period of time. It was they who make there important discoveries during that period of time. 3. It is in South America that some people still practise this kind of farming.

9、 It is some people in South America who still practise this kind of farming. It is this kind of farming that some people in South America still practise .,Practice:,1.We didnt begin our lesson until / till our teacher came in.,It was not until our teacher came in that we began our lesson.,The villag

10、ers didnt realize how serious the pollution was until all the fish in the river died.,_ _ _ _ all the fish in the river died _ the villagers _ how serious the pollution was.,It,was,not,until,that,realized,“It”试题解析,1. The Parkers bought a new house but _ will need a lot of work before they can move i

11、n. A. they B. it C. one D. which,“It”试题解析,2. Toms mother kept telling him that he should work harder, but _ didnt help. A. he B. which C. she D. it,“It”试题解析,3. The weather turned out to be very good, _was more than we could expect. A. what B. which C. that D. it,4. Do you have enough glasses for eac

12、h guest to have _? A. it B. them C. that D. one,“It”试题解析,5. Why dont we take a little break? Didnt we just have _? A. it B. that C. one D. this,“It”试题解析,6. -He was nearly drowned once. -When was _? -_ was in 1998 when he was in middle school. A. that; It B. this; This C. this; It D. that; this,7. It

13、 was not until 1920 _ regular radio broadcasts began. A. while B .which C .that D. since,“It”试题解析,7. It was not until 1920 _ regular radio broadcasts began. A. while B .which C .that D. since,Regular radio broadcasts didnt begin until 1920.,“It”试题解析,8.Could it be in the restaurant in_ you had dinner

14、 with me yesterday_ you left behind your keys and wallet? A. that, which B. which, that C.where, that D. that, where,“It”试题解析,It could be in the restaurant in_ you had dinner with me yesterday _ you left behind your keys and wallet?,“It”试题解析,the restaurant (in_ you had dinner with me yesterday),whic

15、h,in the restaurant,which,It could be in the restaurant in_ you had dinner with me yesterday_ you left behind your keys and wallet?,高考试题解析,the restaurant (in_ you had dinner with me yesterday),which,in the restaurant,that,8.Could it be in the restaurant in_ you had dinner with me yesterday_ you left behind your keys and wallet? A.