题目内容：

We should plant a lot of trees in the mountain.They can_____ the rainwater away the sand.A protect；from washing Bkeep；washing Cprevent;washing Dstop;to wash

优质解答

C
protect和prevent的用法都是+sth (from) doing
区别在于,proctect是保护sth不受doing,sth是受保护对象
prevent是防止sth去doing.sth是伤害的发出者
也就是对于sth的含义指向是反的
keep、stop和protect 一样