阅读理解
Airisallaroundus.Itisaroundusaswewalkandplay.Fromthemomentwearebornwearesurrounded(围绕)byair.Whenwesitdownitisaroundus.Whenwegotobedairisalsoaroundus.Whereweareontheearthwearesurroundedbyairandweliveinair.
Alllivingthingsneedair.Livingthingscannotlivewithoutair.Wecangowithoutfoodorwaterforafewdaysbutwecannotliveformorethanafewminuteswithoutair.Webreathe(呼吸)inair.Whenweareworkingorrunningweneedmoreair.Sowebreathefasterthanusual.Whenweareasleepweneedlessair.
1.Fromthetextweknowthatontheearth________.
[]
A.thereisaireverywhere
B.someanimalsdon'tneedair
C.plantsneedmoreair
D.sometimespeopledon'tneedair
2.Thewritertellsusthat________.
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A.thereislessairontheearththanonthemoon
B.theearthiscoveredbyair
C.theearthiscoveredwithwater
D.thereisnoaironthemoon
3.Whichofthefollowingisthefirstimportantthingforpeople'slives?
[]
A.Water.
B.Air.
C.Food.
D.Sunlight.
4.Whichofthefollowingthingsneedsair?
[]
A.Land.
B.Amirror.
C.Acat.
D.Ariver.
5.Amanneedsmoreairwhenhe________.
[]
A.dies
B.runsfast
C.takesarest
D.sleeps