Small green plants are very important to dry places because ______.( )
A.they don’t let the sun make the earth even drier B.they don’t let the wind blow the earth away C.they hold the water D.all of the above正确答案D
Small green plants are very important to dry places because ______.( )
A.they don’t let the sun make the earth even drier B.they don’t let the wind blow the earth away C.they hold the water D.all of the above正确答案D
