The boy is in the gteen tree.
题目
The boy is in the gteen tree.
______ ______is the boy?
______any food in the fridge?
A.Are there B.Is there C.Have D.Has
Look!The twins___their mother to do their homework.
A.are wanting B.help C.are helping D.want
Mr.Li works eight hours____day and I want to visit his factory _____day.
A.a ,a B.one ,one C.a ,one D.one ,a
答案
where
A.Are there
C.are helping
C.a ,one
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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