Air is all round us.46 From the time we were born,air is aro
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Air is all round us.46 From the time we were born,air is around us on every side.When we sit down,it is around us.We live in air.47We can live without food or water for a few days,but we can not live for more than a few minutes without air.We take in (吸入) air.When we are working or running,we need more air.48 We live in air,49 We can only feel it when it is moving.Moving air is called wind.How can you make air move?Here is one way.Hold an open book in your hands in front of your face.Close it quickly.What can you feel?What you feel is the air.A.When we are asleep,we need less air.B.but we can not see it.C.It is around us as we walk and play.D.All living things need air .46.( ) 47.( ) 48.( ) 49.( )50.Which of the following is NOT true?A.Air is all around us.B.Plants can live without air,but we can’t.C.We can make air move.D.Wind is moving air.帮我翻译下在把题做了感激不尽
优质解答：
答案选B
46:我们出生在大气包围着的时代.当我们坐下的时候,大气围绕着我们.我们活在大气当中.
47：我们在缺水缺食物的情况下能够生存几天,但是我们在缺氧的情况下只能生存几分钟.当我们工作或运动的时候我们需要氧气.
48：我们生活在氧气当中.
50：哪个选项是不对的?