( ) 2. We don’t need home yet. It’s still early.
A. go B. goes C. going D. to go
科目:初中英语 来源: 题型:
( ) 5. gas,oil and coal may cause air pollution.
A. Bum B. Bums
C. Burning D. Burned
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科目:初中英语 来源: 题型:
( ) 3. I’m not busy. I haven’t to do.
A. something B. everything
C. nothing D. anything
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科目:初中英语 来源: 题型:
All our food comes from the soil. Some of us eat meat,but most animals live on plants. If there are no plants,we should have no animals and meat. So the soil is necessary for life.
The top of the ground is usually covered with grass or other plants. Plants grow in soil,which has a dark color. This dark soil is humus. Dead leaves,dead plants and animal waste make it,but this takes a long time. When the humus has been made,plants can grow well in it.
All soil needs food. If we don’t give it any,the plants will be weak. Animal waste is the best food for the soil,but chemical fertilizers are also very useful. The same crop should not be grown in the same place every year,and it is better to have a different crop. A change of crop and the use of a good fertilizer will keep the land in good condition.
When the soil is dry,the wind blows it away. Sometimes heavy rain carries the humus down to the river. People should grow more and more trees and grass to stop wind from carrying the humus away. It takes hundreds of years to make humus,so we must save every bit of it. Without soil,where can we grow food?
根据材料内容选择最佳答案。
( ) 1. From the text,we know people live on .
A. animal B. plant
C. meat D. soil
( ) 2. What does the word humus mean in Chinese?
A.微生物 B. 土壤
C.腐殖质 D.黏土
( ) 3. We should to keep soil good.
A. give more fertilizers
B. kill more animal
C. make more humus
D. grow more trees and grass
( ) 4. We should save every bit of humus,because
A. it takes a long time to make humus
B. the more humus in the soil,the better plants grow
C. the chemical fertilizers are expensive
D. A and B
( ) 5. The main idea of this text should be .
A. soil is necessary to people
B. the same crop can’t be grown in the same place every year
C. soil’s food is chemical fertilizers
D. humus is hard to make
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科目:初中英语 来源: 题型:
( ) 3. I hope they can me with some food to eat because I’m very hungry.
A. supply B. provide
C. offer D. lend
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