自我保护的英语作文60词
题目
自我保护的英语作文60词
答案
First of all,self-protection isimportant.When we run into trouble or danger,we can choose to call for help,butthe best way should be take measures to protect ourselves,especially when wecan do it.Then,how should we protect ourselves?Here is my advice.First,weshould always be ready for possible danger.Second,we must not be nervous whenthe dangerous things have come .Third,if the problem is really beyond ourselves,it is best for us to ask for help instead of risking .
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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