考研英语二74

1、orth of silver. That is because the coins were actually made of silver. But those days are gone. There is no silver in today“s coins. When the price of the precious metal rises above its face value as money, the metal will become more valuable in other uses. Silver coins are no longer in circulation because the silver in coins is worth much more than their face value. A silver firm could find that it is cheaper to obtain silver by melting down coins than by buying it on the commodity markets. Co。

2、 f(x)有连续的导数，f(0)=0 且 f“(0)=b，若函数 （分数：3.00）12. （分数：3.00）13.设函数 f(x)=a x (a0，a1)，则 （分数：3.00）14.若 a0，b0 均为常数，则 （分数：3.00）15.极限 （分数：3.00）16. （分数：3.00）17. （分数：3.00）18. （分数：3.00）19. （分数：3.00）二、选择题(总题数：13，分数：43.00)20.设 （分数：3.00）A.等价无穷小B.同阶但非等价的无穷小C.高阶无穷小D.低阶无穷小21.设 f(x)有连续的导数，f(0)=0,f“(0)0， （分数：3.00）A.1B.2C.3D.422.设 （分数：3.00）A.b=4dB.b=-4dC.a=4cD.a=-4c23.设函数 f(x)=xtanxe sinx ，则 f(x)是_（分数：3.00）A.偶函数B.无界函数C.周期函数D.单调函数24.函数 （分数：3.00）A.(-1，0)B.(0，1)C.(1，2)D.(2，3)25.设 f(x)=2 x +。

3、e writing, followed by a list of examples. Choose the best example from the list AF for each numbered subheading(41 45). There is one extra example which you do not need to use. Mark your answers on ANSWER SHEET 1.(10 points) The main purpose of a resume is to convince an employer to grant you an interview. There are two kinds. One is the familiar “tombstone“ that lists where you went to school and where youve worked in chronological order. The other is what I call the “functional“ resum。

4、thing good about someone, sit right here by me,“ Alice Roosevelt Longworth, a self-proclaimed “hedonist,“ used to say. But it seems the greater pleasure comes from more【B1】_gossip.New research finds that gossiping can be good for you【B2 】_you have something nice to say. In a presentation in September, Jennifer Cole, a social psychologist, reported results【B3】_two related studies, both of which【B4】_that its in ones self-interest to say “ So-and-sos second husban。

5、nce“, provides insight on the urgency of the need in its 2002 “Safe School Initiative“ report:【F1】School attacks, instead of being the random impulsive acts of noisy and cruel fellows, are well-planned events mostly carried out by a single studentwho is not evil but mentally ill. Except for being male, the 41 attackers studied fit no profile of family background, race, ethnicity, or even academic performance. Many were A and B students. Few had a history of violent or criminal behavior. But the。

6、 Online Reading or Book Reading?4 Education: Examination-orientation or Quality-orientation?考研英语（写作）模拟试卷 74 答案与解析Part BDirections: Write an essay of 160-200 words based on the following information. (20 points)1 【正确答案】 The introduction of the market economy system has made it possible for talented people to transfer from one workunit to another, some even to have gone abroad, which forms what we call the brain drain. It is true that justified migration of gifted people is an inevitable inte。

7、n the UK that echoes the nations successful campaign against salt. The effort is【C1】_because it could help to reduce obesity, but cutting sugar out of peoples diets poses【C2】_challenges.Last week, a group of academics and policy【C3】_specializing in medicine and【C4】_announced that they had formed a campaign group, Action on Sugar. Their idea is to convince manufacturers to【C5】_and gradually lower the【C6】_of sugar added to foodsso slowly that it isnt m。

8、2.Part CDirections: Read the following text carefully and then translate the underlined segments into Chinese.（分数：10.00）_The U.S. Secret Service, which studies “targeted violence“, provides insight on the urgency of the need in its 2002 “Safe School Initiative“ report:【F1】 School attacks, instead of being the random impulsive acts of noisy and cruel fellows, are well-planned events mostly carr。

9、 B, C or D.（分数：40.00）_Parents and students are now relying less on taking out loans and more on grants, scholarships and their own income and savings, according to a new report from Sallie Mae. “Over the last few years they“re considering cost more.【C1】_applying for bank loans, they“re making【C2】_decisions to save on their college【C3】_,“ says Sarah Ducich, an author of the report. The large pr。

10、rst day-nursery was opened in 1854.Nurseries were established in various areas during the (1)_ half of the 19th century; most of them were (2)_ Both in Europe and in the U. S., the day-nursery (3)_ received great (4)_ during the First World War, when (5)_ of manpower caused the industrial employment (6)_ numbers of women. In some European countries nurseries were established (7)_ in munitions (军火 )plants, under direct government (8)_ Although the number of nurser。

11、2.Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D.（分数：10.00）_How stupid does one need to be to get a job reading the television news? Is it actually beneficial for TV newsreaders to have, instead of a brain, a plate of lemon jelly? Last week the debate was raging once again about the controversial and important point as to whether th。

12、tions: Write an essay of 160-200 words based on the following information.（分数：2.00）_3.How to Plug the Brain Drain?（分数：2.00）_4.The Greatest Invention in the Past Century（分数：2.00）_5.Online Reading or Book Reading?（分数：2.00）_。

13、system. Just a couple of years ago investors dreamed of 20 percent returns forever. Now surveys show that they“re down to a “realistic“ 8 percent to 10 percent range. But what if the next few years turn out to be below normal expectations? Martin Barners of the Bank Credit Analyst in Montreal expects future stock returns to average just 4 percent to 6 percent. Sound impossible? 2 After a much smaller bubble that burst in the mid-1960s Standard it includes interventions into foreign trade but is 。

14、 D.（分数：40.00）_On the afternoon of April 19th, 1587, Sir Francis Dr. Aka led his convoy of 31 ships into the port of Cadiz, (1)_ the Spanish navy was being prepared to (2)_ England. The Spanish were (3)_ completely by surprise, and Dr. Aka“s men quickly looted, sank or burnt every ship in sight. After clearing the harhour of stores and (4)_ off a Spanish attack, Dr. Aka and his ships (5)_ 。

15、s do not always 2 gifted children, even those 3 academic talent. In fact, they 4 to identify from 10 to 50 percent of their gifted students. The first 5 in identifying gifted students is determining the 6 for finding them. If we want to 7 a group of students for an 8 mathematics class, our approach would be different than 9 we are looking for students with high talent 10 a creative-writing program. Specific program needs and requirements, then, 11 the identification process. Subjective evaluat。

16、 SHEET 1.With the spread of inter-active electronic media a man alone in his own home will never have been so well placed to fill the inexplicable mental space between cradle and crematorium. So I suspect that books will be pushed more and more into those moments of travel or difficult defecation U(1) /U people still dont quite know what to do with.When people do read, I think theyll want to feel they are reading literature, or U(2) /U something serious. U(3) /U。

17、n from the public; their age, income, family, marital status etc. often appear on tabloid press. Entertainment reporters rack their brains to seek more private information about them. In this section, you are asked to write an essay on public figures and their own privacy. You can provide specific reasons and examples to support your idea. You should write at least 150 words.2 Instant foods, instant communication, faster transportationall of these recent developments are designed to save time。

18、rsity? The Wall Street Journal recently reported that more than a dozen students have left school to work on a new technology start-up called Clinkle. Faculty members have【C1】_, the former dean of Stanfords business school is on the board, and one computer-science professor who taught several of the employees now owns【C2】_. The founder of Clinkle was an undergraduate advisee of the president of the university, John Hennessy, who has also been advising the company. Clinkle【C3】_。

19、eling too tired, or even upset? If so, then a new alarm clock could be just for you.The clock, called SleepSmart, measures your sleep cycle, and waits【C1】_you to be in your lightest phase of sleep【C2】_rousing you. Its makers say that should【C3 】 _you wake up feeling refreshed every morning.As you sleep you pass【 C4】_a sequence of sleep stateslight sleep, deep sleep and REM(rapid eye movement)sleepthat【C5】_approximately every 90 minutes. The point in that cycle at which。

20、 B, C or D.（分数：40.00）_A simple idea supports science: “trust, but verify“. Results should always be【C1】_to challenge from experiment. That simple but powerful idea has【C2】_a vast body of knowledge.【C3】_its birth in the 17th century, modern science has changed the world【C4】_recognition, and overwhelmingly for the better. But success can【C5】_self-contentment. Modern scientists are doi。