◎ 题干
Air is all around us. It is around us as we talk and play. From the moment we were born, We are surrounded(围绕)by air. When we sit down, it is around us. When we go to bed, air is also around us. Wherever we are on the earth, We are surrounded by air. We live in air.
All living things need air, living things can’t live without air. We can go without food or water for a few days, but we can’t live for more than a few minutes without air. We breathe(呼吸)in air. When we are working or running, We need more air. So we breathe faster than usual. When we are asleep, We need less air.
小题1:From the text, we know that on the earth _____
A.there is air everywhere
B.some animals don’t need air
C.plants need more air
D.for a long time people don’t need air
小题2:The writer tells us that _____
A.there is less air on the earth than on the moon
B.the earth is covered with air
C.the earth is covered with water
D.there is no air on the earth
小题3:Which is the first important thing for people’s lives?
A.Water B.Air C.Food D.Sunlight
小题4:Which of the following things needs air?
A.Land B.A mirror C.A cat D.A river
小题5:A man needs more air when he _____
A.dies B.runs fast C.takes a rest D.sleeps
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Air is all around us. It is around us as we talk and play. From the moment we were born, We are surrounded(围绕)by air. When we sit down, it is around us. Wh…”主要考查了你对  【科教类阅读】【健康环保类阅读】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。