题目内容
1.All our food comes from the soil(土壤).Some of us eat meat,but animals live on plants.If there were no plants,we should have no animals and meat.So the soil is necessary for life.The top of 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 animals 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.Animals waste is the best food for the soil,but chemical fertilizers(化肥) are also very useful.The same crop should not be grown in the same place every year,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 a 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,and so we must save every bit of it.Without soil,where can we grow food?
62.From the text,we know people live onA
A.soil B plant C.meat D.animal
63.The underline word"humus"meansB in Chinese.
A土壤 B腐殖土 C微生物 D.粘土
64.We shouldC to keep the soil.
A kill more animals B make more humus
C.grow more trees and grass D.give more fertilizers
65.The best title of this text should beB.
A Humus is hard to make
B Soil is necessary to people
C The same crop can't be grown in the same place every year
D Soil's food is chemical fertilizers.
分析 我们的食物来源于土壤,土壤对我们很重要,短文介绍了土壤及土壤与农作物的关系.
解答 62.A 推理判断题 根据"All our food comes from the soil(土壤).Some of us eat meat,but animals live on plants.If there were no plants,we should have no animals and meat"可知,人们的食物来源于土壤,故答案为A
63.B 推理判断题 根据"dead leaves,dead plants and animals waste make it"可知,humus是由枯死的树叶、动植物形成的,故"humus"意为"腐殖土",答案为B
64.C 细节理解题 根据"People should grow more and more trees and grass to stop wind from carrying the humus away"可知,我们应该种树、种草来保护土壤,故答案为C
65.B 推理判断题 短文主要介绍了我们的食物来源于土壤,土壤对我们很重要,故答案为B Soil is necessary to people
点评 做这道题时要先通读全文,弄清短文大意,然后根据相关句子选出正确答案,最后仔细检查.
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