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 第三节:书面表达(满分30分)[

假设你校高三学生在开展宜昌讨论。主题是:高三学生要不要参加体育锻炼。请根据下面所提供的信息介绍讨论情况,并表明你个人的意见.

55%
1. 应该每天进行体育锻炼。
2. 锻炼能增强体质,预防疾病。
3. 锻炼能使学习效果更好。
45%
1.    锻炼浪费时间,使人疲劳。
2.    锻炼使人兴奋,不能投入学习。
3.    锻炼中可能会受伤。

Recently we’ve had a discussion about whether students of Senior 3 should take physical exercise.

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 正定中学2009-2010学年高二年级期末考试

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第二节:短文改错(共10小题;每小题1.5分,满分15分)

I am writing to thank you for your great hospitality.

I have a good flight home and my parents and sisters                  76.         

were waiting for the airport to meet me. There was so              77.         

many news to tell them that we stayed up talking until                  78.          

long after a midnight. They were interested to see my                  79.        

photograph, especially the one of you and your family.                 80.         

I learned a lot of English while staying with you.                     81.         

I am planning to write you regularly like a way of                 82.         

practicing. It would be real helpful if you could correct                 83.          

my mistakes. But l do hope you’ll visit us next year.                  84.          

I’m sure we will get very well with each other.                          85.         

I am looking forward to your good news.

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第一节: 单词拼写(共10小题;每小题1分,满分10分)

根据下列句子及所给汉语注释,写出空缺处各单词的正确形式。(每空只写一词)

66. The forest worker devoted all his life to ____(保护) the wild life . 
67. The ______ (大多数) of children in our class have brown eyes.   
68. They had the good news ______ (传开) throughout the country.  
69.T_________ (传统上),Chinese brides wear red on their wedding day.
70. I have no  (食欲) now because of headache. 

71.The twins are so alike that it’s difficult to______ (区别) one from the other.                          

72.The witness explained the case to the police in  (详细地).

73. To avoid freezing to death,the mountaineers stayed close together for w______ 

74. We were entertained at the editor’s e_________.(费用)                            

75.It is not good for your health if you swallow your food without c___________.

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22.(本小题满分12分)

 已知,函数,的导函数.

(Ⅰ)若的值域为,求的关系式;

(Ⅱ)在(Ⅰ)问的条件下,求目标函数的最大值;

(Ⅲ)若,且, 处取得极值,

,试求方程的三个根两两不等时c的取值范围.

正定中学2009-2010学年高二年级期末考试

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21.(本小题满分12分)

   过点作倾斜角为的直线,与曲线交于点,求的最小值及直线的方程。

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20.(本小题满12分)

如图,在正三棱柱

(I)若,求点到平面的距

离;(Ⅱ)当为何值时,二面角

正弦值为

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19.(本小题满分12分

 甲,乙,丙三人在打完篮球后进行“石头,剪刀,布”的猜拳游戏以决定由谁请客喝水,游戏规则如下:石头赢剪刀,剪刀赢布,布赢石头,每次猜拳都只有两人参加,由甲和乙先猜拳,再由输者与丙猜拳,最后的输家请客,且每人每次的出拳结果是随机的。

  (1)求甲划不超过两拳就赢下乙的概率;

  (2)求三人总共划完两拳后确定由丙请客的概率;

  (3)求在三天内恰有两天都是三人总共划完两拳后就确定由丙请客的概率(每天划拳的结果是独立的)。

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18. (本小题满分12分)

设数列为等差数列,且,数列的前项和为;,

  (Ⅰ)求数列,的通项公式;

  (Ⅱ)若为数列的前项和. 求证:.

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17.(本小题满分10分)

锐角三角形ABC的三内角A、B、C所对边的长分别为

设向量,且

  (1)求角B的大小;

  (2)若,求的取值范围。

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16.已知分别为双曲线的左右焦点,为双曲线左支上的一点,若,则双曲线的离心率的取值范围是      .

三、解答题:(本大题共6小题,共70分。解答应写出文字说明,证明过程或演算步骤)

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