1、How is your sister?_____ is fine ,thanks中填什么 A He B She C This D It
题目
1、How is your sister?_____ is fine ,thanks中填什么 A He B She C This D It
2、Helen ,these are my friends.______
A OK B Hello C Fine D Yes
3.Hello ,Henry ._____ is Emma.
A This B He C She D That
4.who's that _____is Miss Gao
A This B Her C He D It
答案
B
B
A
D
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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