_____ students are coming to visit our school and talk with us.为什么?
题目
_____ students are coming to visit our school and talk with us.为什么?
A A number
B A number of
C The number
D The number of
答案
B.固定搭配.AC不能选,没有介词.D后面用单数.
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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