8.(广西玉林高中、南宁二中2010届高三上学期联考)
____ has an interest in the lecture can go for a ticket from the office next to the gate of the
lecture room, _____ the lecture will be given.
A.No matter who, where B.Whoever; where
C.Anyone; in which D.Those who; in which
答案 B
7.(湖南省湘潭市凤凰中学2009届高三第六次月考)
Is ________ three hours ________ the boy ________ family is poor to come to school on foot?
A. it;that; whose B. it; that it takes; whose
C. it for; that it takes; whose D. it; when; that
答案 B
6.(湖南省株洲市二中2010届高三上学期第二次月考)
The Niagara Waterfalls, __________ is shaped like a semicircle, are 670meters wide, and fall 56 meters in an awesome white sheet of water.
A. what B. where C. the largest of which D. in which
答案 C
5.(江苏省周庄中学2010届高三第一次检测)
The engineers made two big plans for the dam, ____ was never put in force.
A. one of them B. which C. one of which D. every one of which
答案 C
4.(贵州省晴隆一中2009年高中毕业班强化训练)
It is a good idea to ask for a map at the information center, may prove to be very
useful before you start your tour of the museum.
A. where B. which C. who D. that
答案 B
3.(宁夏省银川市实验中学2010届高三英语第一次月考)
Can you give me a case ______ this phrase can be used?
A.when B.that C.where D.which
答案 C
2.(山东省兖州市2010届高三英语模块检测)
In a sports team each player has a clear role,and there are few occasions members
are confused or uncertain of their roles.
A.which B.that C.when D.how
答案 C
1.(湖南省衡阳市八中2010届高三上学期第一次月考)
Is _________ 48 hours _________ the man-made satellite _________ is made in our country to
orbit the planet around?
A. it; that; where B. it; when; that
C. it for; that it takes; that D. it; that it takes; which
答案 D
21. (本小题满分14分)
已知函数,数列满足,.
(1)求数列的通项公式;
(2)令,求;
(3)令,,,若对一切成立,求最小正整数m.
19. (本小题满分14分)
A、B两个投资项目的利润率分别为随机变量和。根据市场分析,和的分布列分别为:
|
5% |
10% |
|
|
2% |
8% |
12% |
P |
0.8 |
0.2 |
|
P |
0.2 |
0.5 |
0.3 |
(1)在A、B两个项目上各投资100万元,和分别表示投资项目A和B所获得的利润,求方差、;
(2)将万元投资A项目,万元投资B项目,表示投资A项目所得利润的方差与投资B项目所得利润的方差的和. 求的最小值,并指出x为何值时,取到最小值.(注:)
20(本题满分14分)
椭圆的两个焦点为,M是椭圆上的一点,且满足
.
(1)求离心率的取值范围;
(2)当离心率e取得最小值时,点N(0,3)到椭圆上的点的最远距离为;
①求此时椭圆G的方程;
②设斜率为的直线L与椭圆G相交于不同的两点A、B,Q为AB的中点,
问A、B两点能否关于过点、Q的直线对称?若能,求出k的取值范围;若不能,请说明理由.
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