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题目
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1,The number of registered participants in this year,s marathon was half
A,that of last year,s B those of last year,s C of last year,s
选哪个 为什么 意思我懂的
2,As a good teacher ,he should use different ways to encourage all studengts to realize their full _ and achieve their goals
A potential B conception
选哪个
3,As an experienceed doctor,he encourage the _ of new medical treatments.
A access B approach C way
选哪个 为什么其他的几个不选 有什么区别
4,Her clear prose sets her apart from other journalists
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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