At one pointI made up my mind to talk to Uncle Sam.Then I changed my mind,that he could do
题目
At one pointI made up my mind to talk to Uncle Sam.Then I changed my mind,that he could do
nothing to help.
A to realize B realized C realizing D being realized
不好意思,忘打空格了,空格在that前面~
答案
主谓一致,谁意识到了呢?是I,为主语.既是changed my mind的主语,又是realize的主语
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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