invertors have changed the way we live.so they are famous for the great thin
题目
invertors have changed the way we live.so they are famous for the great thin
答案
原题是一道选择题,如下：Inventors have changed the way we live.So they are famous for the great things they___.A.do B.did C.are doing D.had done前一句用的是现在完成时,所以后面就一定用过去时态答应应该选...
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