3.Do you like ___ evening dresses?
题目
3.Do you like ___ evening dresses?
A.both this B.these both C.these all D.all of
请教……
4.I don't think they had an exam in English yesterday,___?
A.don't I B.do I C.didn't they D.did they
这是……否定前置
答案
3.我觉得都不顺,要是我会用:all of these
4.
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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