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2、 的图象和性质

 
a>1
0<a<1
 




 


(1)定义域:R
(2)值域:(0,+∞)
(3)过点(0,1),即x=0时,y=1
(4)在 R上是增函数
(4)在R上是减函数

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1、指对数互化关系:

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假如你叫Lin Ling. 前不久,你和来自美国的一位中学生Ellise在网上一起讨论一个话题:“假如你是一位名人,你是否幸福?”现在请你根据她的观点好你自己的观点,用英语给你的外籍老师Mr. Smith 写一篇关于这次讨论的汇报材料。

Her ideas
Your ideas
1.    People know you well.
2.    Easy to help people.
3.    It is a great feeling.
   …
 

. 开拓和结尾部分已经写好。

. 课适当增加谈论话题时常用的话语,使所写内容连贯。

. 所写内容必须包括上面表格中她的观点和你增加至少三个观点。

. 70字左右。

Dear Mr. Smith,

These days I talked “Would you be happy if you were a famous person?” with my friend, Elise on the Internet.________________________________________________________

_________________________________________________________________________________________________________________________________________________________________________________

                           Yours,

Lin Ling

杭十五中2009学年第二学期九年级三月月考

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80. She spoke too q __________ and I can’t follow her.

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79. Today is a gift, because we call today p______________.

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78. When you meet some new words, you can use English-Chinese d__________.

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77. Billy is a bit blue, let’s c__________ him up.

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76. Thomas Edison was one of the greatest i__________ in the world..

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75. Jimmy is good at all of the subjects, e___________ English.

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74. My son is only 4, but he can dress h__________.

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