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【简答题】
已知函数 （ 为常数， 是自然对数的底数）是实数集 上的奇函数． （1）求 的值； （2）试讨论函数 的零点的个数．
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举一反三
【简答题】Jane Austen, a famous English writer, was born in Ston, Hampshire, on December 16, 1775, and died on July 18,1817. She began writing early in life, although the prejudices(偏见)of her times forced ...
【简答题】Tim Longman wants to have a general knowledge of the development of Ireland.
【简答题】Jane Austen, a famous English writer, was born at Ston, Hampshire, on December 16, 1775, and died on July 18, 1817. She began writing early in life, although the prejudices（偏见） of her times force...
【单选题】David：Hi，Jane，do you have some change with you?I have to make a call on thepay phone． Jane：Pay phone?Why not use my mobile phone?__________．
A.
Here you are
B.
You are welcome
C.
It is OK
D.
Don’t worry
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