摘要：B If you travel by air across the center of Africa or South America, you fly over forests for thousands of kilometers. These great forests are the oceans of trees. They are full of thousands and thousands of different kinds of plants and animals. However, the forests in the world are getting smaller all the time. We are cutting down the trees because we need wood, and we need more farmland. Some people say that there will not be any forests like these in 20 or 30 years. What will happen if they disappear? If we cut down our forests, a lot of plants and animals will disappear from the world. In a lot of places the new farmland will soon look like the old deserts. Crops will not grow there. It will not rain very often, and the weather will get very hot. Perhaps the climate of the world will change. This will be dangerous for everyone in the world. That is why we must take care of the forests. 56. The passage mainly tells us about . A. the importance of taking care of the forests B. the result of cutting down the trees C. the locations of great forests D. the reasons for forming the deserts 57. Which of the following is true according to the passage? A. Africa and South America are the oceans of trees. B. Forests are homes for different kinds of animals. C. Forests are usually several square kilometers large. I). Different plants can’t he found in the same forest. 58. The need for more wood and more farmland results in . A. the change of the world climate B. the disappearance of many plants and animals C. more deserts and less farmland D. A, B and C are all correct. 59. What will happen in 20 or 30 years in some people’s view? A. We’ll have more great forests. B. We’ll have enough land to support our people. C. We’ll have no forests like those in the center of Africa. D. We’ll have enough wood to do some cooking. 60. The writer thinks . A. it necessary for people to cut down the forests B. it necessary for people to protect the forests C. it impossible for people to take care of the world D. it important for everyone to keep animals
If you travel by air across the center of Africa or South America, you fly over forests for thousands of kilometers．These great forests are the oceans of trees．There are thousands and thousands of different kinds of plants and animals there．
However, the world’s forests are getting smaller all the time．We are cutting down the trees because we need wood, and we need more farmland．Some people say that there will not be any forests like these in 20 or 30 years．What will happen if they disappear?If we cut down our forests, a lot of plants and animals will disappear from the world．In a lot of places the new farmland will soon look like the old deserts．
Crops will not grow there．It will not rain very often, and the weather will get very hot．Perhaps the climate of the world will change．This will be dangerous for everyone in the world．That is why we must take care of our forests．
(1)
The passage mainly tells us about ________．
[ ]
A．
the importance of taking care of our trees
B．
the result of cutting down the trees
C．
the locations(方位)of great forests
D．
the reasons for forming the deserts
(2)
Which of the following is true according to the passage?
[ ]
A．
Africa and South America are the oceans of trees．
B．
Forests are homes for different kinds of animals．
C．
Forests are usually several square kilometers large．
D．
Different plants can’t be found in the same forest．
(3)
The need for more wood and more land results in ________．
[ ]
A．
the change of the world climate
B．
more deserts and less farmland
C．
the disappearance of many plants and animals
D．
all of the above
(4)
What will happen in 20 or 30 years in some people’s view?
[ ]
A．
We’ll have more and greater forests．
B．
We’ll have enough land to support our people．
C．
We’ll have no forests like those in the center of Africa．
D．
We’ll have enough wood to do some cooking．
(5)
The writer thinks ________．
[ ]
A．
it dangerous for everyone to cut down the forests
B．
it necessary for everyone to protect the forests
C．
it impossible for everyone to take care of the world
If you travel by air across the center of Africa or South America, you fly over forests for thousands of kilometers．These great forests are the oceans of trees．There are thousands and thousands of different kinds of plants and animals there．
However, the world’s forests are getting smaller all the time．We are cutting down the trees because we need wood, and we need more farmland．Some people say that there will not be any forests like these in 20 or 30 years．What will happen if they disappear? If we cut down our forests, a lot of plants and animals will disappear from the world．In a lot of places the new farmland will soon look like the old deserts．
Crops will not grow there．It will not rain very often, and the weather will get very hot．Perhaps the climate of the world will change．This will be dangerous for everyone in the world．That is why we must take care of our forests．
(1)
The passage mainly tells us about ________．
[ ]
A．
the importance of taking care of our trees
B．
the result of cutting down the trees
C．
the locations(方位)of great forests
D．
the reasons for forming the deserts
(2)
Which of the following is true according to the passage?
[ ]
A．
Africa and South America are the oceans of trees．
B．
Forests are homes for different kinds of animals．
C．
Forests are usually several square kilometers large．
D．
Different plants can’t be found in the same forest．
(3)
The need for more wood and more land results in ________．
[ ]
A．
the change of the world climate
B．
more deserts and less farmland
C．
the disappearance of many plants and animals
D．
all of the above
(4)
What will happen in 20 or 30 years in some people’s view?
[ ]
A．
We’ll have more and greater forests．
B．
We’ll have enough land to support our people．
C．
We’ll have no forests like those in the center of Africa．
D．
We’ll have enough wood to do some cooking．
(5)
The writer thinks ________．
[ ]
A．
it dangerous for everyone to cut down the forests
B．
it necessary for everyone to protect the forests
C．
it impossible for everyone to take care of the world