vegetables contain many kinds of vitamins and many other useful materiaks.so we must eat them
题目
vegetables contain many kinds of vitamins and many other useful materiaks.so we must eat them
every day
这里为什么要用contain 而不用including
答案
contain 包含
include 包括
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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