Question

Trees can stop the wind from ______ the earth away .

Answer 1

C

动词辨析。Blow吹，刮；wash洗，冲刷。句意：树木可以阻止风把土壤吹走。stop sb from doing sth表示阻止某人做某事，from是介词，后面接名词或者动名词做宾语，故选C。