Miss Li is____.She has no time _____rest.A.thired.for B.busy.to
题目
Miss Li is____.She has no time _____rest.A.thired.for B.busy.to
2.Yang Ling _____do exercise with _____.
A.doesn't.us B.don't .we C.\ .us
3.There are some swings in the park.
提问in the park
答案
1.B
2.A
3.Is there any swing in the park.
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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