1.His mother had talked to him for many minutes while he was watching TV,but __________.
题目
1.His mother had talked to him for many minutes while he was watching TV,but __________.
A.a little did he hear B.little did he hear C.little heard he D.a little heard he 这道题为什么不选A啊 有一些他能听见吗?正确答案是B
2.I think this is the first time that we have met.__________ anywhere.
A.Before have we never seen each other B.Never before we have seen each other
C.Each other have we seen never before D.Never before have we seen each other 这道题为什么不选A 正确答案是D 为什么?
3.We have been on duty for four hours and __________.
A.now comes your turn B.now does your turn come
C.now your turn comes D.comes now your turn 这里为什么不选C 不是主语在前面吗 正确答案是A
4.__________ when we passed by its nest.
A.Up into the blue sky did the bird fly B.Up into the blue sky the bird flew
C.Up into the blue sky flew the bird D.Flew up into the blue sky the bird 这道题我是实在不懂了 正确答案是C 帮我吧
答案
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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