还有没有英语校规,五条
题目
还有没有英语校规,五条
要用Don't...来写
答案
Don't litter or spit in the schoolyard.Don't beat with others.Don't late for school. Don't cheapt at any examination.Don't noise in everywhere. Don't lift out the regularation.Don't wear jewellery.就...
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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