Question

air is also around us

阅读理解 　　Air is all around us. It is around us as we walk and play. From the moment we are 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. Where we are on the earth we are surrounded by air and we live in air. 　　All living things need air. Living things cannot live without air. We can go without food or water for a fewdays but we cannot 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. 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．sometimes people don't need air 2．The writer tells us that ________. [　　] A．there is less air on the earth than on the moon B．the earth is covered by air C．the earth is covered with water D．there is no air on the moon 3．Which of the following is the first important thing for people's lives? [　　] A．Water. B．Air. C．Food. D．Sunlight. 4．Which of the following things needs air? [　　] A．Land. B．A mirror. C．A cat. D．A river. 5．A man needs more air when he________. [　　] A．dies B．runs fast C．takes a rest D．sleeps

Answer 1

答案：A;B;B;C;B 解析： 　　1．A 由第一段判断 　　2．B 由第一段判断 　　3．B 由第二段判断 　　4．C cat属于living things. 　　5．B 由第二段when we are working or running we need more air得知。