The students are surprised ______ that fish sleep with eyes open
题目
The students are surprised ______ that fish sleep with eyes open
A.knew B.know C.to know D.knowing
答案
三、1.It is interesting _________( know ) something about animals.2.__________(not open) the door.It is cold outside.3.She can work out the difficult question _________(easy)4.Please keep ___________(...
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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