3、aveanyplantsoranimalsinthem B.canallbeturnedintogoodlandbeforelong C.arebeingsmallerandsmaller D.getverylittlerain42.Small green plants are very important to dry placesbecause______. A.theydon’tletthesunmaketheearthevendrier B.theydon’tletthewindblowt
4、hesoilaway C.theyholdwater D.Alloftheabove.43.Land is being desert little by little because______. A.plantscan’tgrowthere B.thereisnotenoughrain C.peoplehaven’tdonewhatscientistswishthemtodo D.scientistsknowlittleaboutthedeserts44.Afterreadingthis