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Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.
Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction.
But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs of timber and paper.
What would our world be like if all the wild animals and wild plants vanished? - Would our life still exist then?
1. What would happen to the human beings if the wild life vanished?
A. Many species would quickly become extinct.
B. The human life would be seriously threatened.
C. Species would go on dying out.
D. Tropical forests would be cut down.
2. What is more important than individual kinds of animals and plants?
A. the vanishing of whole habitats. B. the extinction of many species.
D. man’s need of timber and paper. C. the rapid advance of the process of extinction.
3. What does the writer caution us against?
A. cutting down the tropical forests. B. hunting wild animals.
C. draining marshes. D. destroying our environment.
4. What would happen if we cut down forests?
Cutting down forests would cause ……………..
A. the changes of temperature. B. the flood
C. both A and B are correct. D. none are correct.
5. “To threaten” in the passage means …………..
A. to pollute B. to give fear to C. to vanish D. to poison
Ex21: Chuyển các câu sau sang câu chủ
động :
1. This tree was planted by my grandfather.
My grandfather planted this tree.
2. The rubbish hasn’t been collected.
We haven't collected the rubbish.
3. A lot of work is done every day.
I do a lot of every day.
4. Many trees are cut down to make paper.
We cut down many trees to make paper.
5. These doors should be shut before 5 p.m.
You should shut these doors before 5 p.m.
6. I was given a beautiful glass on my birthday by Hung.
Hung gave me a beautiful glass on my birthday.
7. I was asked many difficult questions by him.
He asked me many difficult questions.
8. These rooms are being cleaned by the girls.
The girls are cleaning these rooms.
1. My grandfather planted this tree
2. We have not collected the rubbish
3. I do a lot of every day
4. We cut down many trees to make paper
5. You should shut these doors before 5 p.m
6. Hung gave me a beautiful glass on my birthday
7. He asked me many difficult questions
8. The girls are cleaning these rooms
1/ An agreement has been signed to protect the forests which are being cut down all over the world.
-> An agreement has been signed to protect the forests being cut down all over the world
2/ The man who is carrying the baag. He is Mr.John.
-> The man carrying the bag is Mr.John
* Note: Đây đều là phần kiến thức rút gon mệnh đề quan hệ cụ thể trong 2 câu trên nó là rút cụm " Đại từ QH + tobe+ V_ing " thành dạng ko còn Đại từ QH thày vào đó là V đưa về dạng V_ing nếu là chủ động và V_pp nếu bị động
- They think that he has died a natural death.
A, It is thought that he has died a natural death. B, They thought that he died a natural death.
C, He is thought to have died a natural death. D, A & C are correct
2. They say that John is the brightest student in class.
A, They said that John is the brightest student in class.
B, They said that John to be the brightest student in class.
C, John is said to be the brightest student in class.
D, It is said that John to be the brightest student in class.
3. Does he realize that they are laughing at him?
A. Is he realized that he is laughing at? B. Is he realized that he is being laughed at?
C. Does he realize that he is laughing at? D. Does he realize that he is being laughed at?
4. The manager had me do several jobs.
A. I was offers several jobs. B. I am offered several jobs.
C. Several jobs are offered to me. D. the manager had several jobs done
5. We found that they had cancelled the soccer match.
A. We found that the soccer match had been cancelled.
B. The soccer match had been cancelled.
C. The soccer match was found that had been cancelled.
D. The soccer match was found to have been cancelled by us.
6. They saw him search the truck.
A. He is seen searching the truck. B. He is seen to search the truck.
C. He was seen to search the truck D. He was being seen searching the truck.
7.His parents made him do it.
A. He was made do it. B. He was made to do it.
C. He made his parents to do it D. His parents were made do it.
8. I get him to cut my hair.
A. My hair has already been cut now. B. I’ve got to have the barber cut my hair.
C.I get my hair cut D. I’ve had my hair cut.
9.People say that the American women are used to living independently means
A. It is said that the American women are used to living independently.
B.The American women are said to be used to living independently.
C.The American women are said they be used to live independently.
D.A & B are correct
10.People think that he was born in a rich family.
A. That is thought he was born in a rich family. B. He was thought to be born in a rich family.
C. That he was born in a rich family is thought. D. He is thought to have been born in a rich family.
11.the teacher makes us study hard in next term
A, we are made studied hard in next term B, we is made to study hard in next term
C, we were made to study hard in next term D, we are made to study hard in next term
12. They said that the president had arrived in the city.
A. The president was said to have arrived in the cityB. It is said that the president had arrived in the city.
C. The president was said to arrive in the city. D. It was said that the president arrived in the city.
13. He expects that his father will come back home.
A. It was expected that his father will come back home.
B. His father was expected to be come back home.
C. His father will be expected to come back home.
D. His father is expected to come back home.
14. They said that he was all right .
A. He said he was all right. B. They were said him was all right .
C. He was said he was all right. D. He was said to be all right .
15. the boss let us go home early last week.
A, we are let go home early by the boss last week.
B, we were let go home early by the boss last week
C, we were allowed to go home early by the boss last week
D, B& C are correct
15. They think that the prisoner escaped by climbing over the wall.
A. The prisoner is thought to escape by climbing over the wall.
B. The prisoner is thought escaped by climbing over the wall.
C. The prisoner is thought having escaped by climbing over the wall.
D. The prisoner is thought to have escaped by climbing over the wall.
16. the teacher is watching the students do the test
A, the students is being watched doing the test B, the students is being watched do the test
C, the students are being watched doing the test D, all are correct
17. They believe that the thieves got in through the kitchen window.
A. The thieves are believed to have got in through the kitchen window.
B. The thieves are believed to get in through the kitchen window.
C. They believe the thieves got in through the kitchen window.
D. They believe the thieves have got in through the kitchen window.
18. They report that over 200,000 people were killed in the tsunami.
A. Over 200,000 people are reported to have been killed in the tsunami.
B. Over 200,000 people are reported to be killed in the tsunami.
C. Over 200,000 people are reported to have killed in the tsunami.
D. Over 200,000 people are reported to kill in the tsunami.
19. We found that they had cancelled the game.
A. We found that the game had been cancelled. B. The game had been cancelled.
C. we found that the game had been cancelled by them. D. The game were found to be cancelled
20. we got her to clean the floor.
A, We got the floor cleaned B, We got the floor to have cleaned
C, She was got to clean the floor D, A & C are correct
21. he makes me love him more.
A, I am made to love him more B, I am made love him more
C, I was made to love him more D, all are correct
22. open your book,please!
A, your book be opened by someone. B, someone opened your book
C, let your book be opened. D, let your book opened.
23. don’t throw the pen up!
A, The pen be threw up B, don’t let the pen be thrown up
C, Let the pen be thrown up D, throw the pen up
24. they suggested helping the poor
A, They suggested that the poor should helped. B, The poor was suggested helping
C, They suggested that the poor should be helped. D, all are correct
25. we urge the authorities to widen the streets.
A, We urge that the authorities to widen the streets.
B, We urge that the streets should be widened by the authorities
C, We urged that the streets should be widened by the authorities
D, We urged that the streets should widen by the authorities
- They think that he has died a natural death.
A, It is thought that he has died a natural death. B, They thought that he died a natural death.
C, He is thought to have died a natural death. D, A & C are correct
2. They say that John is the brightest student in class.
A, They said that John is the brightest student in class.
B, They said that John to be the brightest student in class.
C, John is said to be the brightest student in class.
D, It is said that John to be the brightest student in class.
3. Does he realize that they are laughing at him?
A. Is he realized that he is laughing at? B. Is he realized that he is being laughed at?
C. Does he realize that he is laughing at? D. Does he realize that he is being laughed at?
4. The manager had me do several jobs.
A. I was offers several jobs. B. I am offered several jobs.
C. Several jobs are offered to me. D. the manager had several jobs done
5. We found that they had cancelled the soccer match.
A. We found that the soccer match had been cancelled.
B. The soccer match had been cancelled.
C. The soccer match was found that had been cancelled.
D. The soccer match was found to have been cancelled by us.
6. They saw him search the truck.
A. He is seen searching the truck. B. He is seen to search the truck.
C. He was seen to search the truck D. He was being seen searching the truck.
7.His parents made him do it.
A. He was made do it. B. He was made to do it.
C. He made his parents to do it D. His parents were made do it.
8. I get him to cut my hair.
A. My hair has already been cut now. B. I’ve got to have the barber cut my hair.
C.I get my hair cut D. I’ve had my hair cut.
9.People say that the American women are used to living independently means
A. It is said that the American women are used to living independently.
B.The American women are said to be used to living independently.
C.The American women are said they be used to live independently.
D.A & B are correct
10.People think that he was born in a rich family.
A. That is thought he was born in a rich family. B. He was thought to be born in a rich family.
C. That he was born in a rich family is thought. D. He is thought to have been born in a rich family.
11.the teacher makes us study hard in next term
A, we are made studied hard in next term B, we is made to study hard in next term
C, we were made to study hard in next term D, we are made to study hard in next term
12. They said that the president had arrived in the city.
A. The president was said to have arrived in the cityB. It is said that the president had arrived in the city.
C. The president was said to arrive in the city. D. It was said that the president arrived in the city.
13. He expects that his father will come back home.
A. It was expected that his father will come back home.
B. His father was expected to be come back home.
C. His father will be expected to come back home.
D. His father is expected to come back home.
14. They said that he was all right .
A. He said he was all right. B. They were said him was all right .
C. He was said he was all right. D. He was said to be all right .
15. the boss let us go home early last week.
A, we are let go home early by the boss last week.
B, we were let go home early by the boss last week
C, we were allowed to go home early by the boss last week
D, B& C are correct
15. They think that the prisoner escaped by climbing over the wall.
A. The prisoner is thought to escape by climbing over the wall.
B. The prisoner is thought escaped by climbing over the wall.
C. The prisoner is thought having escaped by climbing over the wall.
D. The prisoner is thought to have escaped by climbing over the wall.
16. the teacher is watching the students do the test
A, the students is being watched doing the test B, the students is being watched do the test
C, the students are being watched doing the test D, all are correct
17. They believe that the thieves got in through the kitchen window.
A. The thieves are believed to have got in through the kitchen window.
B. The thieves are believed to get in through the kitchen window.
C. They believe the thieves got in through the kitchen window.
D. They believe the thieves have got in through the kitchen window.
18. They report that over 200,000 people were killed in the tsunami.
A. Over 200,000 people are reported to have been killed in the tsunami.
B. Over 200,000 people are reported to be killed in the tsunami.
C. Over 200,000 people are reported to have killed in the tsunami.
D. Over 200,000 people are reported to kill in the tsunami.
19. We found that they had cancelled the game.
A. We found that the game had been cancelled. B. The game had been cancelled.
C. we found that the game had been cancelled by them. D. The game were found to be cancelled
20. we got her to clean the floor.
A, We got the floor cleaned B, We got the floor to have cleaned
C, She was got to clean the floor D, A & C are correct
21. he makes me love him more.
A, I am made to love him more B, I am made love him more
C, I was made to love him more D, all are correct
22. open your book,please!
A, your book be opened by someone. B, someone opened your book
C, let your book be opened. D, let your book opened.
23. don’t throw the pen up!
A, The pen be threw up B, don’t let the pen be thrown up
C, Let the pen be thrown up D, throw the pen up
24. they suggested helping the poor
A, They suggested that the poor should helped. B, The poor was suggested helping
C, They suggested that the poor should be helped. D, all are correct
25. we urge the authorities to widen the streets.
A, We urge that the authorities to widen the streets.
B, We urge that the streets should be widened by the authorities
C, We urged that the streets should be widened by the authorities
D, We urged that the streets should widen by the authorities
Đổi sang câu nghi vấn và phủ định những câu sau đây:
1. They needed a good book.
-) they didn't need a good book
(?) did they need a good book
2. I would like to go to the zoo.
(-)I wouldn't like to go to the zoo.
(?) would you like to go to the zoo.
3. She may be right.
(-)she may not be right
(?)may she be right?
4. My sister always goes to school on time.
(-) My sister doesn't go to school on time.
(?) does your sister always go to school on time.
5. He put it on the chair.
(-)He didn't put it on the chair.
(?) did he put it on the chair.
6. They have had lunch already.
(-)They haven't had lunch already.
(?) have they had lunch yet?
7. She had to meet her mother.
(-) She didn't have to meet her mother.
(?) did she have to meet her mother.
8. They’d have cut it if they had wanted.
they wouldn't have cut it if they hadn't wanted.
be cut
cut