一Tom,can you tell me －Sorry,I don’ t know.
题目
一Tom,can you tell me －Sorry,I don’ t know.
A.how many people have been here B.when is the meeting C.why did they decide to do it.我觉得AB都可以呢,
答案
B不可以 从句的语序应该和陈述句一样正解为when the meeting is
所以答案是A
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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