Air is all round us.46 From the time we were born,air is aro

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