To wash before meals is good our health．( )A．withB．forC．toD．at 题目和参考答案——青夏教育精英家教网——

题目内容

14．To wash before meals is good_______ our health．（　　）

A．

with

B．

for

C．

to

D．

at

分析饭前洗手有益于健康．

解答答案：B．
结合语境可以推断这句话表达的意思是"饭前洗手有益于健康．"，所以设空处的介词短语表达的意思是"有益于…"，应该用be good for，故选B

点评英语介词的一个特点是一词多义，并且介词间语义交叉现象很多，习惯用法也很多，有时很难从词义上区分开来．故学习中要注意不断总结，熟记一些介词和动词的固定搭配用法及习惯用法，是完成此类问题的捷径．

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