英语交通知识作文
题目
英语交通知识作文
看到红灯停,绿灯行以及对行人和驾驶员的建议.
答案
As we all know, traffic regulation is so important that everybody must obey it,no exception at all.Without the traffic regulation,the transportation will be totally a mess,especially when we have more and more cars,buses and bicycles as well.Traffic jams and traffic accidents will happen much more oftenly without the traffic regulation.Everybody understands a well-built society must depend on orders.Then we can have a peaceful life,although regulations sometimes cause some little troubles and inconvenience.
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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