I have 3 questions ,could you help me?
题目
I have 3 questions ,could you help me?
用所给词的适当形式填空There 2 lifts in the building .They ____(take)people up and down.
He'll come and say goodbuy to us before he ____(leave)our city.
Now close your eyes .We _____(pass)the erase r and you mustn't look.
答案
take
leaves
will pass/are passing
你打错了字,比如 there are
还有 goodbye
如果不是你打错了那就是你的书印刷错误
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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