22. No matter when people ________ him about their financial troubles, the lawyer is always ready with advice.
A. consult B. acquire C. demand D. inform
21. This article may shock some sensitive readers, I offer my apologies in advance.
A. from whom B. for whom C. to whom D. towards whom
20. -Where will you start your work after graduation?
一It’s not been decided yet. I continue my studies for a higher degree.
A. need B. would C. might D. must
19. One can be strong, brave and faithful after all these hardships he has ________.
A. looked through B. got through C. put through D. gone through
18. Choosing the right dictionary depends on ______ you want to use it for.
A. why B. what C. how D. whether
17. - I have heard you are going to change your job. Are you serious?
-_______. I will quit my job.
A. Yes, I’ve made up my mind B. No, I was joking
C. Yes, I do hope so D. No, I’m not
第一节 单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
16. We are now living in ______ “Information Age”, ______ time of new discoveries and great changes.
A. the; a B. an; the C. 不填; a D. the; the
(17)(本小题满分14分)
已知中,
,
,
,记
,
(Ⅰ)求
关于
的表达式;
(Ⅱ)求的值域;
(18)(本小题满分14分)
若满足条件
,求
的最大值和最小值,并求出相应的
值.
(19)(本小题满分14分)
在正方体中,
、
分别为棱
、
的中点.
(Ⅰ)求证:∥平面
;
(Ⅱ)求证:平面⊥平面
.
(20)(本小题满分14分)
已知A、B、C是椭圆上的三点,其中点A的坐标为
,BC过椭圆m的中心,且
.
(Ⅰ)求椭圆的方程;
(Ⅱ)过点的直线l(斜率存在时)与椭圆m交于两点P,Q,设D为椭圆m与y轴负半轴的交点,且
.求实数t的取值范围.
(21)(本小题满分14分)
已知函数的图象经过点
及
,
为数列
的前
项和.
(Ⅰ)求及
;
(Ⅱ)若数列满足
求数列
的前项和
.
辽宁省锦州市2010届高三上学期期末考试
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com