(最好有解释)
题目
(最好有解释)
1.Look!Who is the boy____ the red sports clothes?
2.Some of us don’t like tests,but they____ to study for themselves
3.Anna is an____ girl,she never feels tired
4.Those days his grandparents____ (几乎没有时间) for concerts
5.English is my favorite and I____ (学得最好) it in my class
6.He is very poor,so he can’t afford____ (付款) his son’s education
7.My friend Tina isn’t in my class.She____ (搬迁到) another city
8.It’s five years since Martin’s father____
9.Tina moved to another town____ and I miss her a lot
10.The old man____ lonely as he used to be
1.A.put on B.wearing C.dresses
9.A.in the past few years B.since two years ago C.a few years ago
10.A.is more B.is no longer C.was never
答案
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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