( )I wish I--------the teacher now.if so ,I---------give the students ang homework.
题目
( )I wish I--------the teacher now.if so ,I---------give the students ang homework.
A :was;won't B:were ; wouldn't C:has;been
D:will ;am not going to
( )How do you like the dvd?
A:It's like a book B:It's made in hongkong
C:It's about travel D:It's wongderful
答案
B i wish 后用虚拟
D 你认为dvd怎么样 好极了
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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