Air is all round us.It is around us___
31____we walk and play.From the time we are born,air is around us on every side.When we sit down,it is around us.When we go to bed.air is
32 around us.We live
33 air.
All living things
34 air.Living things cannot live
35 air.We can live without any water for
36 days,but we cannot live for more
37 a few minutes without air.When we are working
38 running,we need more air.When we are asleep,we need less air
We live in air but we cannot see it.We can only feel it.We can feel it when it is
39 . Moving air
40 wind.
小题1: | A.if | B.because | C.when | D.what |
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小题5:A.have B.have no C,with D.without
小题6: | A.little | B.a Iittle | C.few | D.a few |
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小题7: | A.about | B.over | C.than | D.then |
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小题9: | A.moving | B.standing | C.stopping | D.sleeping |
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小题10: | A.is 1ike | B.1ikes | C.calls | D.is called |
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