26. -You can’t imagine ____ fantastic fun web chatting is.
-Really? But it may cause a lot of trouble sometimes.
A. what
B. how
why D. so
25. -What did the doctor say?
- He said, “ on time, this medicine will be quite effective”.
A. Taking B.
Take
Taken D. Being taken
24. There is no excuse, , for hurting her feelings.
A. but B.
yet
although D. though
23. -You look so young. Haven’t you graduated from your university?
-Yes, I in the English Department of Shandong University for four years.
A. studied B.
study
had studied D. was
studying
22. -Is that a book on painting? If so, I want to borrow .
-Yes, it is.
A. this B.
it
one D. the one
第一节:语法和词汇知识(共15小题;每小题1分,满分15分)
21. -What about shirt she bought for her father?
-It’s wonderful as birthday preset.
A. a; a
B. the; a
the; 不填 D. a; 不填
22.(本小题满分12分)已知函数
.
(Ⅰ)当
时,判断函数
在定义域上的单调性;
(Ⅱ)若函数
与
的图象有两个不同的交点
,求
的取值范围;
(Ⅲ)设点
是函数
图象上的两点,平行于
的切线以
为切点,求证:
.
21.
(本小题满分12分)
如图,椭圆长轴端点为
,
为椭圆中心,
为椭圆的右焦点,且
,
.
(1)求椭圆的标准方程;
(2)记椭圆的上顶点为
,直线
交椭圆于
点问:
是否存在直线
,使点
恰为
的垂心?若存在,求出直线
的方程;若不存在,请说明理由.
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