2. Let's_____________ (讨论)the importance of trees.【来源：21·世纪·教育·网】 3. The __________(气体) from the paper factory smells very bad.21*cnjy*com 4. There are a lot of ________ (家具) in the house.
5. Let’s help save this small tree. It has got a _________(疾病). 6. The p_______ trees are always green around the year.
7. Some forests are in danger. So people are trying to s_______ them. 8. To have a better living environment, we must fight a ________ pollution. 9. We can't i_______ a world without animals or trees.www.21-cn-jy.com 10. Look! The girl is putting a tree in a h_________ to plant it.21·世纪*教育网 II．句子：根据汉语提示，补全句子。每空一词。(共5小题，每小题2分) 11.大多数水果来自树木。
Most of the fruits________ ________trees. 12.那个男孩正在四处张望。 That boy_______ ______ ______.
13.实际上，多年以前这个地方被树覆盖着。
______ ______, this place was covered with trees many years ago. 14.尽管这座轿是木制的，但它依然很牢固。
Though this bridge______ ______ ______ wood, it's still very strong【版权所有：21教育】 15．那些村民们正尽力地保护着那个小森林。
Those villagers are ________ _______ _______ to protect that small forest. III．单项选择。（共15小题，每小题1分）
A)从下面每小题的A、B、C、D四个选项中选出可以替代划线部分的最佳选项。 ( ) 16. As students, our major task (任务) is to study hard.2-1-c-n-j-y
A. busy B. great
C. interesting D. important
( ) 17. Trees can produce lots of useful things for us. 21*cnjy*com
A. make B. find
C. buy D. watch
( ) 18. Computers and mobile phones make our lives more convenient. A. easier B. richer
C. more exciting D. more interesting
( ) 19. The children are discussing what to do to help animals.21·cn·jy·com
A. listening to B. looking at
C. thinking of D. talking about
( ) 20. The tall mountains are covered with millions of trees.【来源：21cnj*y.co*m】
A. several B. a few
C. a lot D. so many
B)从下面每小题的A、B、C、D四个选项中选出可以填入空白处的最佳选项。 ( ) 21. - How do trees help us? Do you know?
- For_______ example, they can keep air cool _______clean.
A. an; but B. an; and
C. /; but D. /; and
( ) 22. - I'd like ________ something about trees. Can you tell me?21教育名师原创作品 - Sure. They can help ________ in many ways.www-2-1-cnjy-com A. to know; we
B. to know; us
C. know; we
D. know; us
( ) 23. - Why do trees have very long roots?
- Because the roots take___________ enough water for them_________. 21cnjy.com A. in; living
B. in; to live
C. out; living
D. out; to live
( ) 24. - ______ do we have to save trees?
- Because they are ______birds and animals.【出处：21教育名师】 A. Why; home to
B. Why; the home to C. How: home to
D. How; the home to
( ) 25. - This kind of new car can produce little ______ gases and it is cheap. - Sounds good. I'll think about when ______ it. A. useful; buying
B. useful; to buy C. harmful; buying
D. harmful; to buy
( ) 26. - Wow! There_______ a lot of new desks in the house.
- Yeah. And they smell_______ because they are wooden (木制的). 21世纪教育网版权所有 A. is; nice
B. is; nicely
C. are; nice
D. are; nicely
( ) 27. - I think drinking too much cola is ________health. - I agree. So what kind of drink can keep us ________. A. good for, health
B. bad for; health C. good for; healthy
D. bad for; healthy
( ) 28. - Look! The old woman ___________ a big bag. She must be tired. - I think so. Let's provide her _________ some help. A. carries; for
B. carries, with
C. is carrying; for
D. is carrying; with
( ) 29. - What a nice hill! There are _________trees on it. - That's because people have never stopped ________ here. A. thousand of; planting B. thousand of; to plant C. thousands of; planting
D. thousands of; to plant
( ) 30. - Look! The farmers________ down trees now. - ___________. Why not stop them doing that? A. cut; Sounds great B. cut; I'm not sure
C. are cutting; It doesn't matter D. are cutting; That's too bad IV．完形填空。（10分）
阅读下面短文，从短文后每小题的四个选项中选出能填入相应空白处的最佳选项。（共 10小题，每小题1分）
A little boy loved to play around a tall apple tree every day. Later, when he grew up, he no longer played there.
One day, the boy came and he looked __31__. When the tree knew the boy wanted some toys, she asked the boy to pick all her__32__ to sell. So the boy did it and left.
Another day, the boy turned into a man and got back, \tree was excited and said. \__35__ off my branches to build your house.\2·1·c·n·j·y
One hot summer day, the man came. When the apple tree knew that the man needed a boat to go sailing, she let him __37__ her trunk(树干)．
After many years, the man came again. \my boy. But the __38__ thing left is my dying roots,\the tree said. \just need a place to rest __39__ I'm old and tired after all these years,\
“Come! __40__ tree roots are the best place to rest,\tears
( ) 31. A. glad B. sad ( ) 32. A. roots B. leaves ( ) 33. A. me ( ) 34. A. Yes ( ) 35. A. take ( ) 36. A. slowly ( ) 37. A. bring
B. you
C. excited C. apples C. him C. Great
D. tired D. branches D. her D. No D. fall D. happily D. catch D. bad D. because D. Short
B. OK B. cut B. easily B. take B. only B. but B. New
C. get C. sadly C. carry C. good
( ) 38. A. first ( ) 39. A. so
C. though C. Long
( ) 40. A. Old V. 阅读理解。（10分）
阅读下面短文，从每小题的四个选项中选出最佳选项。（共5小题，每小题2分） Trees are important and they can help us in many ways. However, some of them are in danger and need to be taken care of as much as possible. There are some ways to save trees.
Use paper wisely. We can save trees by using paper in a right way. What can we do? Use both sides of paper when doing homework. Borrow books to read when you needn't buy them. Never throw old books away, but be kind to donate them to others who need them. In place of paper towels, use cloth towels.
Plant trees. To save trees, it's a great idea to plant them. Spring is the best season to plant trees. If everyone around us does it, millions of trees will. appear and make our world become green and beautiful.
Tell people to understand the importance of trees and help save trees, Try to write letters to government official (官员) and persuade (劝) them to use as little paper as they can. ( ) 41. How many ways are there to use paper wisely? A. Two,