1 __it is time to go home.he is still at work
题目
1 __it is time to go home.he is still at work
A Because B Though C As D While
2 How much did you__the house?-$50000
A pay for B cost C took D spent
3 If you want to be thinner,you should eat( )meat
A less B fewer
答案
1.B
2.A
3.A
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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