英文语法结构
题目
英文语法结构
Fido who was behind,got hurt by some rubbish which fell upon him:on which his master had him taken care of with the utmost tenderness.这句话中on which
答案
这个地方其实就用个which ,语法上是完全没问题的.
我唯一能给出的解释,就是前面已有个which从句,再直接用上一个which显得太突兀.
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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