1.The batteries are the packets that________electricity.
题目
1.The batteries are the packets that________electricity.
A.contains B.contain C.cable D.wire
2.Schools _______allow students at least one hour a day for sports.
A.would B.might C.should D.could
答案
1.B contain
2.C should
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
最新试题
热门考点