The world .will be.造5个句子!
题目
The world .will be.造5个句子!
答案
The world's pollution will be more and more serious.或:There will be more and more pollution in the world.There will be fewer trees in the world in 20 years.=The world's cars will be fewer in 20 year...
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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