BC2?AB2?AC2?2?AB?AC?cos60?1由余弦定理得
?16?9?2?4?3?2
?13BC?13?a2b2?12(24)解:(I)由??1?a2?b2?得a2?4,b2?a2?3
所以C的方程为x2?y2?1......6分
43 (II)设P(1,y30),代入C的方程得|y0|?2,又|F1F2|?2. 所以?PF11F2的面积S?2?2?32?32 ......12分 (25)解:(I)f'(x)?3x2?2ax 由f'(1)?1得3?2a?1,所以a??1
由点(1,1)在曲线上,得1?a?b?1,所以b?1 ......6分(II)f'(x)?3x2?2x. 令f'(x)?0,解得x?0或x?23 当x?23或x?0时,f'(x)?0;当0?x?23时,f'(x)?0 f(x)的单调区间为(??,0),(0,23)和(23,??)
f(x)在区间(??,0)和(223,??)为增函数,在区间(0,3)为减函数.
......12分
......6分
2013年成人高等学校招生全国统一考试
英 语
选择题
一、语音知识(共5小题;每题1.5分,共7.5分)
在下列每组单词中,有一个单词的划线部分与其他单词的划线部分的读音不同。找出这个词。 1、A.lab B.table C.math
2、A.cake B. Custom C. Center
3、A.rush
B. Duck C. Truck
4、A.check
B.change
C. Chemistry
5、A.cousin B.south C.ground
二、词汇与语法知识(共15题;每题1.5分,共22.5分。)
从每小题的四个选项中,选出最佳答案。
6、Jack is ____news reporter and he likes ____job very much.
A.a;the B.the;the C.the;a
7、It has been almost five years ____we saw each other last time.
A.after B.before C.since
8、He knows ____about the city,for he has never been there.
A.everything B.something C.anything
9、With all his homework ____,the boy was allowed to watch TV.
A.finished B.to finished C.will finish
10、―Can I get you some more fish ? ―_____.
D.attack D.cover D.butcher D.chocolate D.thousand
D.a;a
D.when
D.nothing
D.having finished
A.yes,please B.i’m sorry C.That’s all right D.It does’t matter
11、Tom,hurry up, _____ you will miss the school bus.
A.and B.or C.but 12、The room_____as a laboratory for nearly two years till now.
A.is used B.was used C.has been used
13、―Mom do I have to go to bed now. ―Yes,you_____.
A.Can B.Will C.May
14、Many artists find it hard to_____a living from art alone.
A.do B.make C.Have
15、James had never seen Brando again,_____was really a pity.
A.who B.what C.which
16、Excuse me,what time is it _____your watch?
A.to B.by C.on
17、Welcome to our house !I’ll have H udon_____your around in a minute.
A.show B.to show C.showing
18、She spoke_____fast that I could not catch a word.
A.too B.very C.such
19、Take your computer to John,and he ______it for you.
A.Paris B.will repair C.has repaired
20、You’d better_____more clothes.It’s snowing outside.
A.put awy B.put up C.put down
三、完形填空(共15题;每题2分,共30分。)
D.then
D.had been used
D. Must
D.take
D.where
D.with
D.showed
D.so
D.had repaired D.put on
通过下面的短文,掌握其大意。然后,从每小题的四个选项中选出最佳答案。
Yuichiro Miura lives by the saying that nothing is impossible .For him,that means climbing Qomolangma,the world’s highest mountain,at the age of 80.He 21 to climb it for the 22 time next month. He reached its top at age 70 to 75.If he succeeds this time,he will 23 the record for the oldest person to climb the 8.844-meter-high mountain.
The record, 24 ,is not what pushes him on.Instead ,he wants know how a person of his age will 25 and deal with the terrible cold, 26 air and low oxygen(氧气)levels on such a high mountain.He believes those 27 will add 70 years to the age of his body once he 28 to the top.His daughter,Emili Miura, 29 others that he will feel like someone 150 years old.
“Nobody ever lived that long,and he’s so 30 to know how it would be like,”she said.”He would like to know what is the 31 of humans.”Emili Miura said her father thinks that one should always set a higher 32 for oneself and try to achieve it.
Yuichiro Miura faces more dangers 33 health problems.He has had three heart operations in 34 years,and he suffered two 35 bones in a sport accident in 2009.Nobody would say it’s wise for an 80-years-old person to make the climb,but Mr.Miura believes that nothing is impossible.
21. A. begs B.plans C.need D.refuses
22. A. First B.second C.third D.fourth
23. A. Break B.check C.achieve D.improve
24. A. Anyhow B.therefore C.however D.meanwhile
25. A. Exist B.advise C.work D.feel
26. A. Thin B.clear C.fresh D.cool
27. A. Desires B.conditions C.operations D.advantage
28. A. Gets B.leads C.turns D.sticks
29. A. Wanted B.persuaded C.told D.promise
30. A. Sure B.afraid C.proud D.curious
31. A.end B.aim C.limit D.fact
32.A.goal B.order C. rule D.example
33.A.instead of B.because of C.in favor of D.in front of
34.A.most B.early C.several D.recent
35.A.burned B.broken C.destroyed D.grown
四.阅读理解(共15小题;每题3分,共45分)
阅读系列短文,然后根据短文的内容共每小题的四个选择项中选出最佳的一项。 A
Looking for pen pals
Mary ,24 year old .come from Scotland and would like to find a pen pal (笔友) who comes form East Europe. She likes the piano and listening ti jazz music.she is interested in history but does like discussing politics.
Ji,19 year old,comes from South Korea.He world like a pen pal who is interested in discussing the differences of life in Europe and Asia. He loves traveling,listening to pop music and playing football in his free time.
Pietro,42 years old,comes form Argentina.He is a businessperson and would like to find a pen pal who is also a businessperson and lives in North America. He like using the Internet and listening to light music.
Helga,31 years old .comes form Germany and speaks French, English and Russian. She would like a pen pal who is interested in exchanging (交流) ideas about language learning. She does not like using computers for learning and believes that language learning can only happen in a classroom.
Jennifer, 18, comes form New Orleans, She is interested in discussing the political differences between East Europe and North America. She loves horse-riding and listening to jazz music.
Alessandro, 25years old,comes form Rome. He is interested in finding a pen pal who speaks different languages and can exchange ideas on using computers for learning purposes. He likes playing football in his free time.
36.Who are interested in the same kind of music?
A.Traveling. B.Playing football. C.Horse-riding. D.Learning languages
37.What hobby do Jim and Alessandro have in common?
A.Traveling. B.Playing football. C.Horse-riding. D.Learning languages.
38.Who is interested in finding a pen pal from the business wold?
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