中小学教育资源及组卷应用平台
Unit 5 Save the endangered animals
Grammar 语法学习—it句型
(1) It’s+ adj+for sb. to do sth.对某人来说，做某事是…..
for前面的形容词常为easy, difficult, important, hard, possible等表示不定式动词（to do）的特
性, 相当于 To do sth is+adj.
例： It’s difficult for me to finish this work by myself.
= To finish this work by myself is difficult for me.
句型转换：
1. It is easy for me to look after a short hairstyle.
= ____________________________________________________________________________
2. It is important for him to pass the driving test.
= ____________________________________________________________________________
练习：
1. 对孩子们来说，穿过繁忙的街道很危险
It’s very_______ ________ children to cross the busy street
2. 对我们来说，完成这项工作很困难
It’s_______ _______ us to finish the work
3. 拥有健康的饮食习惯对我们来说很必要
It’s ______ _______ us to have healthy eating habits
4. 保护环境对我们来说很重要
It’s_______ ________ us to protect the environment
(2) It’s +adj+ of sb. to do sth.某人…..，做了……
of 前面的形容词常为kind, nice, wise, foolish, careless, clever, selfish, silly, stupid等都是描
述行为者的性格品质的，相当于Sb is+adj+to do sth
例： It’s kind of you to help me with my math. 你太好了帮我学数学。
= You are kind to help me with my math.
句型转换：
1. It is foolish of me to say something like that.
= ____________________________________________________________________________
2. It was kind of him to help me.
= ____________________________________________________________________________
练习：
1. 你离开他是很明智的
It is______ _______ you to leave him.
2. 你能帮我，真好
It’s very_______ ______ you to help me.
3. 你真聪明，解出了这道数学题
It’s_______ _______ you to work out the maths problem.
(3) 肯定：adj+enough+to do 否定：not +adj+ enough to do
Enough是副词，修饰前面的形容词，表示程度，enough后面的动词不定式表示结果。因此，
“形容词+enough+动词不定式”结构可以用 “so...that...”结构改写。
John is strong enough to carry the box.
=John is so strong that he can carry the box.
总结：1.not+adj.+enough+to do sth.
2.adj.+enough+not to do sth=too...to
3.so...that.../such...that...
练习：
1. 他足够大以至于能完成这项任务. He is________ ________ ________ finish this task.
2. 他足够聪明可以顺利地做一名领导者. He is_______ _______ _______ be a leader.
3. It is difficult enough________ _______ _______ this problem.(work out)
4. He is rich enough_______ _______ this new car.(buy)
5. She is pretty enough_______ _______ the gentlemen.(attract)
语法练习
一.选择for或of填空。
1. It is possible _______ him to get there on time.
2. It was silly ________ you to leave the keys at home.
3. Is it important _________ us to learn a foreign language
4. It was brave _________ him to save the girl.
5.It is difficult _________ such a little boy to run fast.
二.完成句子。
1. 这个小女孩够年龄去上学了。
The little girl is _______ ________ to go to school.
2.对于我们来说，三天内完成这项工作是不可能的。
________ ________ impossible for us ___________ _____________ the job in three days.
3. 保护环境对我们来说很重要。
_______ _______ very important _______ _______ to protect the environment.
4. 她够勇敢，抓住了小偷。
It is brave ________ ________ to catch the thief.
5. 这个书包太小了，装不下15本书。
The schoolbag is _________ small ________ carry 15 books.
三、语法选择。
A
When I was twelve years old, my family lived next to a forest. Every evening, mockingbird(知更鸟) would come and rest in the trees and sing. I enjoyed 1 singing so much that I decided to catch a young bird. In this way, I 2 hear it sing for me every day.
I finally succeeded in catching 3 and put it in a cage. At first, the bird was very frightened, so it fluttered(扑腾) in 4 new home all the time. Several days later, it was used to 5 in this new home.
The next day, the little bird’s mother flew to the cage with some 6 in her mouth. The baby bird looked very happy and ate everything 7 the mother brought to it. I was so happy to see this, 8 the mother knew how to take care of her baby well.
But 9 the third morning, I found it died. I was terribly surprised and cried at once. I didn’t know 10 happened.
Arthur Wayne, my father’s friend, was a famous ornithologist(鸟类学家). She 11 my father at that time. 12 she knew the whole thing, she explained to me. If a mother mockingbird finds her baby 13 in a cage, she will bring it poison berries(毒莓). She thinks it’s 14 for her baby to die than to lose freedom.
Since then I 15 any living animal and put it in a cage. All living things have a right to live free.
1. A. a B. an C. the D. /
2. A. could B. had to C. must D. should
3. A. it B. one C. other D. another
4. A. it’s B. its C. it D. its’
5. A. live B. lives C. lived D. living
6. A. foods B. food C. foodes D. feed
7. A. that B. what C. who D. where
8. A. certain B. uncertain C. certainly D. uncertainly
9. A. In B. For C. At D. On
10. A. what B. how C. why D. where
11. A. visited B. have visited C. is visiting D. was visiting
12. A. If B. When C. Because D. Although
13. A. keep B. must keep C. is keeping D. is kept
14. A. good B. well C. better D. best
15. A. haven't caught B. won't catch C. don't catch D. didn't catch
B
With their long tusks (象牙), elephants look strong. However, it is this feature that makes the animal endangered. Many of them ___1_____ for their tusks. The crafts (工艺品) make their tusks 2 priceless goods that they are popular among rich people. Studies show that elephants are living under 3 conditions than expected.
The elephants’ tusks are actually part of their teeth. Once the teeth are lost , they ___4____ never grow back. Losing the tusk will not kill them, but they may find 5 difficult to protect themselves 6 danger, lift things and get 7 food. What really makes elephants endangered is the way they lose the tusks. Usually, to meet the demand for ivory (象牙), some poachers (偷猎者) kill ___8____ elephants and cut their faces open to remove the tusks. 9 human beings kill elephants for best ivory, an increasing number of African elephants have ____10_____evolved（进化） into elephants without tusks, in order to survive. 11 are still killed for ivory.
According to the experts, over the last decades, the population of African elephants 12 from 10 million to 400,000. If the poaching continues, African elephants will die out in 20 years. To protect the elephants, 13 organization called TNC (The Nature Conservancy) held an activity “Ivory only Belongs to Elephants” online. Users watched the videos about elephant poaching online, and expressed 14 they would like to say about protecting elephants. Besides, with the efforts of TNC and local African governments, laws are used 15 ivory trading to stop more elephant poaching.
1. A. kill B. killed C. are killed D. were killed
2. A. very B. such C. so D. such a
3. A. difficult B. the more difficult C. most difficult D. more difficult
4. A. can B. should C. must D. need
5. A. this B. it C. that D. one
6. A. from B. without C. for D. of
7. A. them B. themselves C. their D. theirs
8. A. health B. healthy C. healthier D. healthily
9. A. Because B. If C. Because of D. When
10. A. slow B. slowly C. slower D. more slowly
11. A. Another B. The others C. Others D. The other
12. A. have dropped B. dropped C. drop D. has dropped
13. A. the B. a C. / D. an
14. A. that B. how C. what D. when
15. A. punishing B. to punish C. to punishing D. punished
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Unit 5 Save the endangered animals
Grammar 语法学习—it句型
(1) It’s+ adj+for sb. to do sth.对某人来说，做某事是…..
for前面的形容词常为easy, difficult, important, hard, possible等表示不定式动词（to do）的特
性, 相当于 To do sth is+adj.
例： It’s difficult for me to finish this work by myself.
= To finish this work by myself is difficult for me.
句型转换：
1. It is easy for me to look after a short hairstyle.
= ____________________________________________________________________________
2. It is important for him to pass the driving test.
= ____________________________________________________________________________
练习：
1. 对孩子们来说，穿过繁忙的街道很危险
It’s very_______ ________ children to cross the busy street
2. 对我们来说，完成这项工作很困难
It’s_______ _______ us to finish the work
3. 拥有健康的饮食习惯对我们来说很必要
It’s ______ _______ us to have healthy eating habits
4. 保护环境对我们来说很重要
It’s_______ ________ us to protect the environment
(2) It’s +adj+ of sb. to do sth.某人…..，做了……
of 前面的形容词常为kind, nice, wise, foolish, careless, clever, selfish, silly, stupid等都是描
述行为者的性格品质的，相当于Sb is+adj+to do sth
例： It’s kind of you to help me with my math. 你太好了帮我学数学。
= You are kind to help me with my math.
句型转换：
1. It is foolish of me to say something like that.
= ____________________________________________________________________________
2. It was kind of him to help me.
= ____________________________________________________________________________
练习：
1. 你离开他是很明智的
It is______ _______ you to leave him.
2. 你能帮我，真好
It’s very_______ ______ you to help me.
3. 你真聪明，解出了这道数学题
It’s_______ _______ you to work out the maths problem.
(3) 肯定：adj+enough+to do 否定：not +adj+ enough to do
Enough是副词，修饰前面的形容词，表示程度，enough后面的动词不定式表示结果。因此，
“形容词+enough+动词不定式”结构可以用 “so...that...”结构改写。
John is strong enough to carry the box.
=John is so strong that he can carry the box.
总结：1.not+adj.+enough+to do sth.
2.adj.+enough+not to do sth=too...to
3.so...that.../such...that...
练习：
1. 他足够大以至于能完成这项任务. He is________ ________ ________ finish this task.
2. 他足够聪明可以顺利地做一名领导者. He is_______ _______ _______ be a leader.
3. It is difficult enough________ _______ _______ this problem.(work out)
4. He is rich enough_______ _______ this new car.(buy)
5. She is pretty enough_______ _______ the gentlemen.(attract)
语法练习
一.选择for或of填空。
1. It is possible _______ him to get there on time.
2. It was silly ________ you to leave the keys at home.
3. Is it important _________ us to learn a foreign language
4. It was brave _________ him to save the girl.
5.It is difficult _________ such a little boy to run fast.
【答案】1.for 2.of 3.for 4.of 5.for
二.完成句子。
1. 这个小女孩够年龄去上学了。
The little girl is _______ ________ to go to school.
2.对于我们来说，三天内完成这项工作是不可能的。
________ ________ impossible for us ___________ _____________ the job in three days.
3. 保护环境对我们来说很重要。
_______ _______ very important _______ _______ to protect the environment.
4. 她够勇敢，抓住了小偷。
It is brave ________ ________ to catch the thief.
5. 这个书包太小了，装不下15本书。
The schoolbag is _________ small ________ carry 15 books.
【答案】1.old enough 2.It is to finish 3.It is for us 4.of her 5.too to
三、语法选择。
A
When I was twelve years old, my family lived next to a forest. Every evening, mockingbird(知更鸟) would come and rest in the trees and sing. I enjoyed 1 singing so much that I decided to catch a young bird. In this way, I 2 hear it sing for me every day.
I finally succeeded in catching 3 and put it in a cage. At first, the bird was very frightened, so it fluttered(扑腾) in 4 new home all the time. Several days later, it was used to 5 in this new home.
The next day, the little bird’s mother flew to the cage with some 6 in her mouth. The baby bird looked very happy and ate everything 7 the mother brought to it. I was so happy to see this, 8 the mother knew how to take care of her baby well.
But 9 the third morning, I found it died. I was terribly surprised and cried at once. I didn’t know 10 happened.
Arthur Wayne, my father’s friend, was a famous ornithologist(鸟类学家). She 11 my father at that time. 12 she knew the whole thing, she explained to me. If a mother mockingbird finds her baby 13 in a cage, she will bring it poison berries(毒莓). She thinks it’s 14 for her baby to die than to lose freedom.
Since then I 15 any living animal and put it in a cage. All living things have a right to live free.
1. A. a B. an C. the D. /
2. A. could B. had to C. must D. should
3. A. it B. one C. other D. another
4. A. it’s B. its C. it D. its’
5. A. live B. lives C. lived D. living
6. A. foods B. food C. foodes D. feed
7. A. that B. what C. who D. where
8. A. certain B. uncertain C. certainly D. uncertainly
9. A. In B. For C. At D. On
10. A. what B. how C. why D. where
11. A. visited B. have visited C. is visiting D. was visiting
12. A. If B. When C. Because D. Although
13. A. keep B. must keep C. is keeping D. is kept
14. A. good B. well C. better D. best
15. A. haven't caught B. won't catch C. don't catch D. didn't catch
【答案】 CACBD；CACDC；AABDA；
B
With their long tusks (象牙), elephants look strong. However, it is this feature that makes the animal endangered. Many of them ___1_____ for their tusks. The crafts (工艺品) make their tusks 2 priceless goods that they are popular among rich people. Studies show that elephants are living under 3 conditions than expected.
The elephants’ tusks are actually part of their teeth. Once the teeth are lost , they ___4____ never grow back. Losing the tusk will not kill them, but they may find 5 difficult to protect themselves 6 danger, lift things and get 7 food. What really makes elephants endangered is the way they lose the tusks. Usually, to meet the demand for ivory (象牙), some poachers (偷猎者) kill ___8____ elephants and cut their faces open to remove the tusks. 9 human beings kill elephants for best ivory, an increasing number of African elephants have ____10_____evolved（进化） into elephants without tusks, in order to survive. 11 are still killed for ivory.
According to the experts, over the last decades, the population of African elephants 12 from 10 million to 400,000. If the poaching continues, African elephants will die out in 20 years. To protect the elephants, 13 organization called TNC (The Nature Conservancy) held an activity “Ivory only Belongs to Elephants” online. Users watched the videos about elephant poaching online, and expressed 14 they would like to say about protecting elephants. Besides, with the efforts of TNC and local African governments, laws are used 15 ivory trading to stop more elephant poaching.
1. A. kill B. killed C. are killed D. were killed
2. A. very B. such C. so D. such a
3. A. difficult B. the more difficult C. most difficult D. more difficult
4. A. can B. should C. must D. need
5. A. this B. it C. that D. one
6. A. from B. without C. for D. of
7. A. them B. themselves C. their D. theirs
8. A. health B. healthy C. healthier D. healthily
9. A. Because B. If C. Because of D. When
10. A. slow B. slowly C. slower D. more slowly
11. A. Another B. The others C. Others D. The other
12. A. have dropped B. dropped C. drop D. has dropped
13. A. the B. a C. / D. an
14. A. that B. how C. what D. when
15. A. punishing B. to punish C. to punishing D. punished
【答案】CBDAB ABAAB CDDCB
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