may day is (on the 1st of may).su yang（goes jogging）every day.
题目
may day is (on the 1st of may).su yang（goes jogging）every day.
that's (jack's )dog.pingping's house is (about 3 kilometres away)from the school.we can go there (by bus).he is (telling jack how to do )now.对括号部分提问,
答案
When is May Day?
What does Su Yang do every day?
Whose dog is that?
How far is Pingping's house from the school?
How can you go there?
What is he doing now?
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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