急
题目
急
1、they have already changed(否定句)
2、it seems that it will rain soon(同义句)=it ____ ______ rain soon
3 shanghai is the largest city in china
shanghai is ___ than_____ _____ ______ in china
4jim hasn't taken the subway.tom hasn't taken the subway,either
jim hasn't taken the subway___ ______,tom
5his mother came to cuba four years ago(同义句)
答案
1.They have not changed yet.
2.seems to
3.larger than any other cities
4.Jim hasn't taken the subway,nor has tom.
5.His mother has been to cuba four years ago.
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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