There ( ) no buses,we had to walk home
题目
There ( ) no buses,we had to walk home
There ( ) no buses,we had to walk home after work yesterday. A, was B,would C,being D,had As a violinist, he has spent years ( ) his techniques. A,perfecting B,perceiving C,preparing D,performing 求解答,实在不会做!麻烦了啊!
答案
1.C 分词的独立主格做原因状语
2.A
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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