12. ---Excuse me, what did the teacher ask Tom after class? ---She asked him_________.
A. if had he finished his homework |
B. whether he had finished his homework |
C. that he finished his homework |
D. if
you have finished your homework |
第一节:单项选择(共14小题;每小题1分,满分14分)
11. --- I am afraid I can’t finish the book within this week. ---_______.
A. Please go ahead |
B. That’s all right |
C. Not at all |
D. Take your time. |
第一节(共5小题,每小题1分,满分5分)
请听下面5段对话,选出最佳选项。
1. Where does this conversation take place?
A. At a hospital. B. At a department store. C. At a restaurant.
2. How much is the food and drink?
A..$2.65. B. $2.75. C. $2.95.
3. What's the man doing?
A. Watching TV. B. Turning down the TV. C. Answering the phone.
4. According to the man, what does he like to do if possible?
A. To visit museums. B. To make a good plan.
C. To visit the Modern Museum.
5. What news did the woman get from the man?
A. Sam will leave New York very soon.
B. Sam's sister will leave for Los Angeles very soon.
C. Sam' s sister will leave for New York very soon.
22、(本小题12分)已知函数
若函数的最小值是,且对称轴是,
(1)求的值:
(2)在(1)条件下求在区间的最小值
21. (本小题10分)已知:.
(1)求;
(2)判断此函数的奇偶性;
(3)若,求的值.
20、(本小题10分)若函数
(1),判断函数的奇偶性
(2)在直角坐标系画出函数图象、写出函数的单调区间,求出函数值域。
19.(本小题9分) 已知:函数(是常数)是奇函数,且满足,
(Ⅰ)求的值;
(Ⅱ)试判断函数在区间上的单调性并证明;
18、(本小题8分)已知集合,.
(1)分别求,;
(2)已知,若,求实数的取值集合.
17..三次方程在下列哪些区间有根:A. (-2, -1) B. (-1, 0) C.(0, 1)
D.(1, 2) E(2, 3),答:______________________________________________
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