The United States is on the verge of losing its leading place in the world's technology. So says more than one study in recent years. One of the reasons for this decline is the parallel decline in the number of U.S. scientists and engineers. 　　

您可能感兴趣的试题

• 1New Orleans, Louisiana, was established as part of the French Empire in 1718. 　　Its location on t

  　　1.What accounts for the levees and pumps in New Orleans?

  　　a.The Mississippi frequently floods the city.

  　　b.The riverbed has raised inthe past 200 years.

  　　c.The torrential rains flood the city frequently.

  　　d.The high humidity cannot otherwise be comtrolled.

  　　2.The battle of New Orleans was fought by jackson against______.

  　　a.France

  　　b.Britain

  　　c.Spain

  　　d.The North

  　　3.The Code Napoleon was _______.

  　　a.an agreement to sell Louisiana

  　　b.a body of laws

  　　c.a city plan

  　　d.a military code for the army

  　　4.Which of the following elements does not apply to the attiude of the inhabitants of New Orleans?

  　　a.Pride in their French heritage.

  　　b.A desire to retain picturesque colonial buildings.

  　　c.A refusal to engage in trade and commerce

  　　d.A praising of Dixieland Jazz.

  　　5.Tourists visiting New Orleans are surprised to encounter_____.

  　　a.Creole food

  　　b.Dixieland jazz

  　　c.bustling city

  　　d.authentic colonial homes

  点击查看答案进入在线练题题不想做，我帮你做
• 2Social customs and ways of behaving change. Things which were considered impolite many years ago are

  　　1.If one has accepted a dinner invitation ,what should he do if he is tobe late for the dinner?

  　　a.He should find an excuse

  　　b.He should adk for excuse.

  　　c.He should say sorry

  　　d.He should telephone to explain his being late.

  　　2."It would have been bad manners to make his guests feel foolish or uncomfortable." "Bad manners " means ________.

  　　a.ugly

  　　b.dishonest

  　　c.impolite

  　　d.shameful

  　　3.which of the following do you think is the best tiltle for this passage?

  　　a.Social Customs and Customs

  　　b.Social Life

  　　c.American and British Customs

  　　d.Promptness Is Important

  　　4.According to the text, the best host_______.

  　　a.tries his best to make his guests feel comfortable

  　　b.makes his guests feel excited

  　　c.tries to avoid being naughty to his guests

  　　d.tries to avoid being foolish

  　　5.The author of this article may agree with which of the following?

  　　a.The guest who ate his peas with a knife

  　　b.The other guests who were amused or shocked

  　　c.The host who picked up his knife and began eating in the same way

  　　d.None of the above

  点击查看答案进入在线练题题不想做，我帮你做
• 3The food we eat seems to have profound effects on our health.Although science has made enormous step

  　　1.What is the best possible title of the passage?

  　　a.Drug and Food

  　　b.Cancer and Health

  　　c.Food and Health

  　　d.Health and Drug

  　　2.Which of the following statements is NOT ture?

  　　a.Drugs are always given to animals for medical reasons

  　　b.Some of the additives in our food are added to the food itself and some are given to the living animals

  　　c.Researchers have known about the potential dangers of food additives for over thirty-five years.

  　　d.Food may cause forty percent of cancer in world.

  　　3.How has science done something harmful to mankind?

  　　a.Because of science , diseases caused by polluted food haven been virtually eliminated.

  　　b.It has caused a lack of information concerning the value of food.

  　　c.Because of the application of science,some potentially harmful substances have been added to food.

  　　d.The scientists have preserved the color of meats,but not of vegetables.

  　　4.What are nitrates used for?

  　　a.They preserve flavor in packaged foods.

  　　b.They preserve the color of meats.

  　　c.They are the objects of research.

  　　d.They cause the animals to become fatter.

  　　5.The word 'carcinogenic' most nearly means '_____'.

  　　a.trouble-making

  　　b.color-retaining

  　　c.money-making

  　　d.cancer-causing

  点击查看答案进入在线练题题不想做，我帮你做
• 4Today ,as in every other day of the year ,more than 3000 U.S. adlescents will smoke their first ciga

  　　1.According to the author, the deaths among youth are mainly caused by _____.

  　　a.traffic accidents

  　　b.smoking-related desease

  　　c.murder

  　　d.all of these

  　　2.Every day there are over_____high school strdents who will become regular smoker.

  　　a.75 b.23 c.30 d.3000

  　　3.By "dropout" the author means______.

  　　a.students who failed the examination

  　　b.students who left school

  　　c.students who lost their way

  　　d.students who were driven out of school

  　　4.The reason for declining adolescent smoking is that ________.

  　　a.NCI has taken effective measures

  　　b.smoking is prevented among high school seniors

  　　c.there are many smokers who have died of cancer

  　　d.none of these

  　　5.What is implied but not stated by the author is that ________.

  　　a.smoking rates among youth have declined very little

  　　b.there are now more female than male smokers among high school seniors

  　　c.high smoking rates are due to the incease in wealth

  　　d.smoking at high school are from low socio-economic backgrounds

  点击查看答案进入在线练题题不想做，我帮你做
• 5　Women are also underrepresented in the administration and this is because there are so few women f

  　　1.According to Spirduso,women need to ____.

  　　a.produce a report on sexual discrimination

  　　b.call for further improvement in their working conditions

  　　c.spend their energies and time fighting against sexual discrimination

  　　d.spend more time and energy doing scholarly activities

  　　2.From this passage ,we know that _____.

  　　a.there are many women full professors in the University of Texas

  　　b.women play an important part in adminitrating the University

  　　c.the weather on the campus is chilly

  　　d.women make up a small percentage of the senior positions in the University

  　　3.Which of the following statements is true?

  　　a.the number of women professors in the University in 1987 was greater than that of 1985

  　　b.the number of women professors in the University in 1987 was smaller than that of 1985

  　　c.the number of women professors was the same as that of 1985

  　　d.more and more women professors thought that sexual discrimination did exit in the University

  　　4.One of the positive results from Milburn's study was that _____.

  　　a.women were told to con centrate on teir work

  　　b.women were given information about available administrative jobs

  　　c.women were encouraged to take on all the administrative jobs in the Unversity

  　　d.women were encouraged to do more scholarly activities

  　　5. The title for this passage should be _______.

  　　a.The University of Texas

  　　b.Milburn's Report

  　　c.Women Professors

  　　d.Sexual Discrimination in Academia

  点击查看答案进入在线练题题不想做，我帮你做
• 6The economy of the United states after 1952 was the econnomy of a well-fed,almost fully employed peo

  　　1. What is the best title of the passage?

  　　a. The Agriculatural Trends of 1950’s

  　　b. The Unemployment Rate of 1950’s

  　　c. U.S. Economy in the 50’s

  　　d. The Federal Budget of 1952

  　　2. In Line 4 , the word “boom” could best be replaced by______.

  　　a. nearby explosion

  　　b. thunderous noise

  　　c. general public support

  　　d. rapid economic growth

  　　3. It can be inferred the national from the passage that most people in the United States in 1955 viewed the national economy with an air of _________.

  　　a. confidence

  　　b. confusion

  　　c. disappointment

  　　d. suspicion

  　　4. Which of the following were LEAST satisfied with the national economy in the 1950’s?

  　　a. Economists

  　　b. Frmaers

  　　c. Politicians

  　　d. Steelworkers

  　　5. The passage states that incom available for spending in the U.S. was greater in 1955 than in 1950 . How much was it ?

  　　a. 60%

  　　b. 50%

  　　c. 33%

  　　d. 90%

  点击查看答案进入在线练题题不想做，我帮你做
• 7There are three kinds of goals: short-term,medium-range and long-term goals. 　　Short-range goals

  　　1.Our long-term goals mean a lot__.

  　　a.if we complete our short-range goals

  　　b.if we cannot reach solid short-term goals

  　　c.if we write down the dates

  　　d.if we put forward some plans

  　　2.New short-term goals are bulid upon__.

  　　a.two years

  　　b.long-term goals

  　　c.current activities

  　　d.the goals that have been completed

  　　3.When we complete each step of our goals ,__.

  　　a.we will win final success

  　　b.we are overwhelmed

  　　c.we should build up confidence of success

  　　d.we should strong desire for setting new goals

  　　4.Once our goals are drawn up,__.

  　　a.we should stick to them until we complete them

  　　b.we may change our goals as we have new ideas and opportunities

  　　c.we had better wait for the exciting news of success

  　　d.we have made great decision

  　　5.It is implied but not stated in the passage that ___.

  　　a.those who habe long-term goals will succeed

  　　b.writing down the dates may discourage you

  　　c.the goal is only a guide for us to reach our desination

  　　d.every should have a goal

  点击查看答案进入在线练题题不想做，我帮你做
• 8Linda was a few minutes late. Wilson 16 the office when she got there. His secretary told her he 17

  　16. A. had left 　　B. has left 　　C. was left 　　　D. would be leaving

  　　17. A. had been 　B. came　　　C. was 　　　　D. would be

  　　18. A. should 　　B. had to 　　　C. would 　　　　D. was able to

  　　19. A. told 　　B. spoke　　　C. said 　　　　D. talked

  　　20. A. run out 　　B run of　　　C. run out of 　　　D. run away

  　　21. A. through 　B. across 　　　C. cross 　　　　D. along

  　　22. A. latest 　　B. last 　　　C. late　　　　D. later

  　　23. A. to being late　B. for being late　C. to be late　　　D. for the late

  　　24. A. mind　　B. listen　　　C. notice　　　　D. hear

  　　25. A. took down with business　　　　B. came down to business　 C. settled down with business　　　D. got down to business

  　　26. filled out　　B. took out 　　C. sent out 　　　D. threw away

  　　27. A. haven't you 　B. do you　　　C. have you 　　　D. don't you

  　　28. A. even more sure 　B. much sure　　C. even sure of 　D. sure of

  　　29. A. a few such 　　B. a few more　　C. much a few 　D. more a few

  　　30. A. As her surprise 　B. To her surprised　　C. For her surprised 　D. To her surprise

  　　31. A. even more surprise 　　　　　B. even much surprise　 C. even more surprised 　　　　　D. even much surprised

  　　32. A. starting 　　　B. to start　　　　C. start 　　　　D. started

  　　33. A. by a smile 　　B. with a smile　　　C. by smile 　　　D. with smile

  　　34. A. It 　　　　B. This　　　　C. That 　　　　D. He

  　　35. A. not at all 　　B. after all　　　C. all 　　　　D. after that

  点击查看答案进入在线练题题不想做，我帮你做
• 9　In the traditional(传统的)marriage,　 the man worked at a job to earn money for the family ,　Most

  36. Which of the following is NOT true in the traditional marriage ?

  　　A. Men worked at a job to earn money for the family .

  　　B. The women made most of decisions.

  　　C. The woman stayed at home to care the children.

  　　D. The man paid the bills.

  　　37. In recent years ________.

  　　A.　young couples (拒绝)the traditional relationship.

  　　B. the woman has a job and earns the money for the family .

  　　C. the woman doesn't stay at home and care for the children and the house.

  　　D. the role of men and women has begun to change .

  　　38. Men and women may now choose all the following except to _______.

  　　A. marry or to stay single . B. work or stay at home .

  　　C. leave their jobs just because they have children

  　　D. have their roles that are comfortable for them

  　　39. The following are all now true except __________.

  　　A. they may choose to have children or not

  　　B. the man may tack care of the children some of the time.

  　　C. the woman is the most important person in the house

  　　D. the woman may want to go to work

  　　40. Which of the following is not true?

  　　A. Everyone tries to get married.

  　　B. The man was the boss in the traditional marriage.

  　　C. The woman's job at home was very important in the past.

  　　D. Many Americans still have a traditional marriage.

  点击查看答案进入在线练题题不想做，我帮你做
• 10Hotlines have become common in China. Some radio broadcasting stations use hotlines to encourage the

  　52. The sentence,　"Some people do nothing but break the whole programme." may tell us that ______.

  　　A. radio stations use hotlines in a wrong way B. it is a fact

  　　C. it is a good idea D. some people have unclear thoughts

  　　53. The host has to answer and explain, ____ .

  　　A.　for the host works hard B. because of the caller's ignorance

  　　C. for the host likes talking to the caller D. because of a lot of questions raised by the caller

  　　54. The passage doesn't tell us the idea ________ .

  　　A. that some listeners phone the hotlines in fun

  　　B. that some people just want to be heard by others

  　　C. that some people who don't care what the topic is must have realized that they appear to be silly

  　　D. what the hotline programmes are

  　　55. Which of the following is not true?

  　　A. Some people know little about the topic under discussion.

  　　B. Some people do not know what the host is talking about

  　　C. Some people do not know what the show is about

  　　D. The writer tells us that the host is silly.

  点击查看答案进入在线练题题不想做，我帮你做