明天要用!
题目
明天要用!
如果这些问题问你,你会怎样回答呢?(注意:不是翻译,要用英语回答这些问题)1 In your opinion,how can a person lacking in self-confidence become self-confident.2 Do you have any idea of the greenhouse effect?How does it affect the temperature on Earth.3 Who is the Chinese scientist you admire most?Why?
答案
1.Knowledge can lead to self-confident and thus help him.2.Yes,I know it,It will make the Earth become wamrer and warmer.3.Qian Xue Sen,because he's scintillating and love his country deeply.
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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