1.i think _important to listen carefully to the teacher in class
题目
1.i think _important to listen carefully to the teacher in class
a.too b that c.it 怎么用it?
2.it will _you an hour to finish it .
a.use b get c take
3.this book is different_that day
a.from b.to c of
4.dont bring friends from _schools
a other b.the other c.each other
5.i dont know _.
a .where is his bike b.what should i do c.how he goes to work
搞不懂怎么来的
答案
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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