teacher appreciate knowing that parent are interested in theirs childrens progress为什么填that
题目
teacher appreciate knowing that parent are interested in theirs childrens progress为什么填that
答案
这里的knowing 是动名词,做appreciate的宾语,而that引导了同位语从句,是knowing的同位语,具体阐明了knowing.同位语从句that无法省略.
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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