teachers appreciate knowing --- parents are interested in childrens progress
题目
teachers appreciate knowing --- parents are interested in childrens progress
a whose
b how
c that
d what
答案
that 因为that是可以连接两个递进关系的分句,whose是指谁的,不符原句,how是如何,不符合,what指什么,同样不符合.所以就是that了
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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