Mr Green works in an office in France.41saturday ,he went to the offic to do some work..when he got
题目
Mr Green works in an office in France.41saturday ,he went to the offic to do some work..when he got
on the elevator .it stopped between the 42.Mr Green could not get outof the elevator .He
started to 43,but no one 44 him.
41 .A Last B All C None 42 .A buildings B steps C floors 43A speak B shott C say 44 A saw B came C heard
答案
A
C
shout
C
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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