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【判断题】
若存在从A到B的函数,同时存在从B到A的函数,则A到B之间存在函数。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】Acknowledgements should be started with thanks for individuals and ended with thanks for institutions.
A.
正确
B.
错误
【简答题】比+3大-7的数是______．
【单选题】my English teacher, I have become what I am. [ ]
A.
Thanks for
B.
Thank to
C.
Thanks to
D.
Thank for
【单选题】Thanks for me your house . [ ]
A.
invite, for
B.
inviting, to
C.
inviting, for
D.
invitation, for
【单选题】the Internet, our life becomes easier, faster and better. [ ]
A.
Thanks to
B.
Thanks for
C.
For example
D.
Instead of
【简答题】若（23-7） 7 =a 7 3 7 +a 6 3 6 +…+a 7 3+a 大 ，则a 7 +a 1 +a 3 +a 7 =______．
【简答题】写出下列各句的同义句。 1. Thanks for taking care of my sister. Thanks for _____ _____ my sister. 2. How about playing football after school? _____ _____ playing football after school? 3. We had fun at the party....
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