Did you happen to see __black and __ white cat?A the,the B a c / C the / Da the
题目
Did you happen to see __black and __ white cat?A the,the B a c / C the / Da the
答句是:Are they missing?I have told you to take care of them.
答案
A
你看到过那只黑猫和那只白猫吗?
它们丢了吗?我已经告诉过你要好好照顾它们的
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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