24. When she was awake, she found that she was lying on seemed to be a piece of stone.
A. that B. which C. what D. it
23. ---I did very badly in the exam this time, so I’m very upset.
---Cheer up! I did than you, but I remain happy.
A. no better B. better C. no worse D. not worse
21. In the Beijing Olympics, Phelps from the US is person of wonder, person who swam into the Olympic history.
A. the; the B. the; a C. a; the D. a; a
第一节:语法和词汇知识(共l5小题;每小题l分,满分l5分)高 考资 源网
从A、B、C、D四个选项中,选出可以填人空白处的最佳选项,并在答题卡上将该项涂黑。
21. ---Please tell Bruce he has won the first prize in the maths contest.
--- He never did so well before.
A. Congratulations! B. Good luck!
C. That’s right! D. What a good surprise!
9. 已知曲线,过C上一点作斜率的直线,交曲线于另一点,再过作斜率为的直线,交曲线C于另一点,…,过作斜率为的直线,交曲线C于另一点…,其中,
(1)求与的关系式; (2)判断与2的大小关系,并证明你的结论;
(3)求证:.
8. 已知抛物线,直线与C交于A,B两点,O为坐标原点。
(1)当,且直线过抛物线C的焦点时,求的值;
(2)当直线OA,OB的倾斜角之和为45°时,求,之间满足的关系式,并证明直线过定点。
7. 设函数有两个极值点。
(Ⅰ)求a的取值范围,并讨论的单调性;(Ⅱ)证明:。
6.设函数在两个极值点,且
(I)求满足的约束条件,并在下面的坐标平面内,画出满足这些条件的点的区域;
(II)证明:
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