Mr White gets up early and runs everyday ,which he thinks is --------- to his health.
题目
Mr White gets up early and runs everyday ,which he thinks is --------- to his health.
A benefit B beneficially C benefits D beneficial
选什么?每个选项对为什么对 错为什么错
2. ---What shoukd I wear and when should I have to attend my cousin"s wedding party?
-----You can wear ______ you like and leave _______you finish your work at hand .
A howener when B whichever whenever C whatener the monment D how after
这道题应该怎么选啊?不懂啊 我怎么选错了?请讲解
谢谢
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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