25. Tom is going to talk about the World Expo in Shanghai, but I’d rather he ______ on the World Cup.
|
A. focus |
B. focused |
C. had focused |
D. would focus |
24. It’s an old photo of my childhood that I _______ when I was looking for my ID card the other day.
|
A. came into |
B. came about |
C. came across |
D. came out |
23. The traffic rule says young children under the age of five and _______ less than 25 kilograms must be in a child safety seat.
|
A. being weighed |
B. to weigh |
C. weighed |
D. weighing |
22. Some pupils are often scared _______ some money in the corner of the streets by a few young men.
|
A. to offer |
B. into offering |
C. to be offered |
D. to be offering |
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。
21.The visitors are greatly impressed by the fact that_____ people from all walks of life are working hard for _____ new Jilin.
|
A. / ; a |
B. the ; the |
|
C. / ; the |
D. the ; a |
2. 已知函数
.
① 当
时,求函数的最大值和最小值;
② 求实数
的取值范围,使
在区间
上是单调函数.
1. 已知函数
的定义域为
,且同时满足下列条件:(1)
是奇函数;
(2)
在定义域上单调递减;(3)
求
的取值范围.
4. 下列四个命题
(1)
有意义; (2)函数是其定义域到值域的映射;
(3)函数
的图象是一直线;(4)函数
的图象是抛物线,
其中正确的命题个数是____________.
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