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18.(本小题满分12分)把一枚骰子投掷两次,观察出现的点数,并记第一次出现的点数为m,第二次出现的点数为n.  (1)求m与n的和为5的概率;

  (2)求两直线mx+ny-1=O与2x+y-2=O相交的概率.

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17.(本小题满分12分)已知函数.

(1)求函数的最小正周期;  (2)求函数上最大值和最小值.

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16.若定义在区间上的函数上的任意个值

…,,总满足

则称上的凸函数.已知函数在区间上是“凸函数”,

则在△中,的最大值是_____________.

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15.如图2所示的算法流程图中,输出S的值为      .

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14.已知的夹角为.

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13.已知满足约束条件的最小值为      .

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第二节  书面表达(满分25分)

在生活中有人喜欢运动,也有人不太运动。请你以 “Is sport really good for us?”为题,按照下列要点写一篇英语短文。

正方:运动能强身健体,陶冶情操(如培养合作精神;如何面对胜负等)

反方:运动并非是强身健体的唯一形式(如饮食也很重要);运动容易造成伤害,挫折等我的看法及理由

注意:词数:100-120文章题目和开头已给出(不计入词数)

Is sport really good for us?

Some think sport does us good in many ways.                  

                                       

                                       

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第一节  短文填词(共10小题,每小题1分,满分10分)

There are a few different r    why people use small talk.        76    

The first, and most obvious, is to break an uncomfortable s         77    

Another reason, however, is simply to kill t   . That’s why it is     78    

so common to make small talk when you are w    for something.   79      

Some people make small take in order to be p   . You may not     80    

feel l      chatting with anyone at a party, but it is          81    

r    to just sit in a corner by yourself. After someone          82    

i      you to another person ,you do not know anything about then,83   

so in order to show a polite i     in getting to know them better,  84    

you have to start with some small talk. And remember in an English-speaking environment it is

often b     to make a few mistakes than to say nothing at all!    85    

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