What are you searching the Internet for?I am trying to find out________
题目
What are you searching the Internet for?I am trying to find out________
A.what's difference between SARS and BIRDFLU
B.how many persons have died in Iraq
C.how protect our environment
D.why isn't our Chinese team able to beat Korea's
答案
B
A the difference between SARS and BIRDFLU
C how to protect our environment
D why our Chinese team isn't able to beat Korea's
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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