第二节(共15小题; 每小题1.5分,满分22.5分)
请听下面5段对话或独白,选出最佳选项。每段对话或独白读两遍。
请听第6段材料,回答第6至8题。
6.Who is the woman speaking to?
A.Her husband. B.A policeman. C.A fire-fighter.
7.What’s the woman asking for?
A.Advice on safety. B.Money. C.Help.
8.What has happened to the woman’s house?
A.It’s been burnt down. B.It’s been broken into. C.It’s been damaged.
请听第7段材料,回答第9至11题。
9.What does the woman want to know?
A.The best way to go to New York.
B.The quickest way to go to New York.
C.The cheapest way to go to New York.
10.How much does it cost the woman to go to New York by bus?
A.$5. B.$15. C.$50.
11.What do we know from the conversation?
A.The woman will go to New York by bus.
B.It will take the woman five hours to go to New York by bus.
C.The woman won’t go to New York by bus.
请听第8段材料,回答第12至14题。
12.When will the ballet performances be on?
A.This week. B.Next week. C.Next month.
13.When will the man attend the performance?
A.On Sunday evening. B.On Thursday evening. C.On Friday evening.
14.How much does the man pay for the tickets?
A.$20. B.$10. C.$40.
请听第9段材料,回答第15至17题。
15.What’s the probable relationship between the two speakers?
A.Good friends. B.Strangers. C.Classmates.
16.What can we know about the woman from the conversation?
A.She won a cup in last week’s tennis competition.
B.She is a science expert.
C.She works at St Jude’s Training College.
17.How long has the man been in the science department?
A.Half a year. B.More than a year. C.Two years.
请听第10段材料,回答第18至20题。
18.How often do people in the Historical Society meet?
A.Every week. B.Every other week. C.Every three weeks.
19.What is the main purpose of the Historical Society?
A.To find out what they can learn from history.
B.To study the people in history.
C.To learn about what happened in the past.
20.What do the Historical Society plan to do this year?
A.Study the history of the town.
B.Visit historic houses in the college.
C.Visit more historic places.
第一节(共5小题;每小题1.5分,满分7.5分)
请听下面5段对话, 选出最佳选项。每段对话仅读一遍。
1.Where does the conversation most probably take place?
A.In a park. B.In a zoo. C.In a pet store.
2.What does the woman mean?
A.Things here are very cheap.
B.Things here are not cheap.
C.She doesn’t know whether things here are cheap or not.
3.Where are the two speakers going to plant the tree?
A.By the front door.
B.At the back of the garage.
C.At the end of the garden.
4.Where does the conversation take place?
A.In a shop. B.In a hotel. C.In a restaurant.
5.What do we learn from the conversation?
A.The man went to New Zealand during Christmas.
B.The man visited New Zealand during the summer holiday.
C.The man’s parents live in New Zealand.
21.(本小题满分13分)已知函数
在
处取得极值2 ,
(Ⅰ)求
的解析式;
(Ⅱ)设A是曲线
上除原点O外的任意一点,过OA的中点且垂直于
轴的直线交曲线于点B,试问:是否存在这样的点A,使得曲线在点B处的切线与OA平行?若存在,求出点A的坐标;若不存在,说明理由;
(Ⅲ)设函数
,若对于任意
的,总存在
,使得
,求实数
的取值范围。
20.(本题满分12分)已知函数
(a、b∈R).
(1)若函数
处取得极值,且极小值为-1,求a、b的值;
(2)若
,函数
图象上的任意一点的切线斜率为k,求k≥-1恒成立时a的取值范围.
19.(本小题满分13分)某商品在近
天内每件的销售价格
元和时间
的关系如图所示.
(1)求每件的销售价格
(元)和时间
(天)的函数解析式;
(2)该商品的日销售量
(件)与时间
(天)的关系是:
求该商品的日销售金额
(元)与时间
(天)的函数解析式;
(注:日销售金额=日销售量
销售价格)
(3)求该商品的日销售金额
(元)的最大值,并指出日销售金额最大的一天是
天中的哪一天?
18.(本小题满分13分)设函数
,
,
,且以
为最小正周期.
(1)求
的解析式;
(2)已知
,求
的值。
17.(本小题满分12分)已知命题p:
,命题q:
,若p假q真,求a的取值范围.
16.(本小题满分12分)记集合A=
,
的定义域为集合 B.
(1)求B .
(2)若
,求实数
的范围。(R为实数集)
15.已知定义域为R的函数
,若关于x的方程
恰有7个不同的实数解
,则
___________.
14.已知函数f (x) = 3ax-2a + 1在区间 (-1,1)内存在x0;使f (x0) = 0,则实数a的取值范围是 .
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