the parents were eager to know ()negative effects the medicine would have on the
题目
the parents were eager to know ()negative effects the medicine would have on the
kids health.
what whether哪一个为什么请详细解释
答案
what
用whether句子这样写 whether the medicien would have negative effects on the kids health
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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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