1There ___more roads in the city by the end of this year.
题目
1There ___more roads in the city by the end of this year.
A is going to be B will be C are going to have D will have
2 Did you and your friends ride your bicycles to the beach yesterday?
Yeah,____ we were!
A How fun B What fun C What a fun D How fun
请说明原因,
答案
D will have
B What fun
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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