日本（）因亚洲表情新巨头而出名

________叫做动物的繁殖行为，主要包括雌雄两性动物的_____，占有繁殖的_____，求偶、交配、孵化以及对后代的_____等。

f(x)=2x³-3(a+1)x²+6ax-2(a＞0且a≠1)，

(Ⅰ)当a=2时，求函数f(x)的单调区间；

(Ⅱ)若f(x)在区间[0，2]内有三个零点，求a的取值范围。

注：a³-3a²+2=(a-1)(a²-2a-2)

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小题1:According to the advertisements, the four books are all intended for ______.

A．teachers

B．adults

C．children

D．women小题2:Some of the four books were illustrated in order to_________

A．make them suitable to different readers

B．persuade readers to buy them

C．reduce the cost of them

D．help readers understand them小题3:If you buy the four books on April 30, 2011, your will have to pay_______ for the four books.

A．$130

B．$65

C．$112

D．$18小题4:The purpose of the passage is to _______.

A．introduce some cheap books to readers

B．sell the four books to readers

C．enrich students’ knowledge about nature

D．help children to learn English

根据生物体在异化作用过程中对氧的需求情况，新陈代谢的基本类型可以分为___。

A.需氧型 

B.厌氧型 

C.兼性厌氧型 

D.异养型

在总线式局域网的信道上有两个或更多设备同时发送帧，从而造成帧的重叠，这种现象称为_________。