问题标题:
Nearlyallourfoodcomesfromthesoil(土地).Someofuseatmeat,ofcourse,butanimalsliveonplants.Iftherewerenoplants,wewouldhavenoanimalsandnomeat.Sothesoilisverynecessaryforlife.Thetopofthegroundisusua
问题描述:

Nearlyallourfoodcomesfromthesoil(土地).Someofuseatmeat,ofcourse,butanimalsliveonplants.Iftherewerenoplants,wewouldhavenoanimalsandnomeat.Sothesoilisverynecessaryforlife.Thetopofthegroundisusuallycoveredwithgrassorotherplants.Theremaybedeadleavesanddeadplantsonthegrass.Thewastematter(粪)fromanimalsalsofallsonit.
Allsoilneedsfood.Ifwedonotgiveitany,theplantswillbeweak.Farmersfoundthatanimals’wasteisthebestfoodforthesoil,butchemicalfertilizers(化肥)arealsoveryuseful.Thesamecrop(庄稼)shouldnotbegrowninthesameplaceeveryyear,it’sbettertohaveadifferentcrop.Achangeofcropandtheuseofagoodfertilizerwillkeepthelandgood.
小题1:Whichofthefollowingistrue?

A.Allourfoodcomesfromthesoil.
B.Mostofourfoodcomesfromsoil.
C.Noneofourfoodcomesfromthesoil.
D.Allourfoodcomesfromanimals.
小题2:Whatdoesthewritertellusinthefirstparagraph?A.Leaves,plants,grassandwasteliveoneachother.B.Therewouldbenoanimalswithoutmeat.C.Therewouldbenoplantswithoutanimals.D.People,animals,plantsandsoilliveoneachother小题3:Whichisthebestfoodforsoilinthefield?A.Chemicalfertilizers.B.Plantsandgrass.C.Animals’waste.D.Differentcrops.小题4:Whydoweoftengrowadifferentcropinthesameplaceeveryyear?A.Becausewecankeepthesoilrichthisway.B.Becausewedon’thaveenoughland.C.Becausewewanttohaveadifferentfood.D.Becausewedothisasahabit(习惯).

康世昌回答:
  小题1:B小题2:D小题3:C小题4:A小题1:根据文章内容可知答案为B小题2:根据第一段的内容可知答案为D小题3:根据文章内容Farmersfoundthatanimals’wasteisthebestfoodforthesoil,,可知答案为C...
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