以下职业是什么?(英语回答)
题目
以下职业是什么?(英语回答)
My work is kind of boring.I drive a car every day ,but the car is not mine .I need to send people to places they want to go .I am a__________.
His job is quite dangerous.He likes getting things from others.When he sees a policeman,he will run away .he is a __________.
还有哪些?
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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