英语选择及填空
题目
英语选择及填空
1.the girl ______a red coat is my sister.
A.wear B.in C.puts on
2.it was ____ diffcult a question that ____people could answer it.
A .so;few B.so;a few C.suchfew D.such;a few.
3.what does the sign on the wall ________(mean).it____(mean) you ________(not should smoke) in the room
答案
1.B
2.A
3.mean means shouldn't smoke
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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