Very few people can become famous sciensists.(改为反意疑问句)
题目
Very few people can become famous sciensists.(改为反意疑问句)
答案
Very few people can become famous scientists, can they?陈述部分如果有表示否定意思的某些词,如：never,seldom,hardly,few,little,nobody,no one,nothing,neither…,疑问部分须用肯定式. 又比如：He never w...
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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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