2021年英語B級(jí)考試試題答案

1、英語B級(jí)考試試卷答案一、單項(xiàng)選取題（說明：這是我同窗給）How can we reduce the risk of cancer?A cut in B cut downC cut off D cut outThe steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.A continuously B quicklyC excessively D exceptionallyDuring the past ten years there ha

2、ve been dramatic changes in the international sit uation.A permanent B powerfulC striking D practicalThe most crucial problem any economic system faces is how to use its scarce reso urces.A puzzling B difficultC terrifying D urgentof molecular p sychology, Hammer is exploring the role genes play in

3、governing the very core of our in dividuality. To a remarkable exten, this work on what might be called the gay, thrill-seeki ng and quit-smoking genes reflects how own genetic predispositions.That work, which has appeared mostly in scientific journals, has been gathered into a n accessible and quit

4、e readable form in Hammers creative new book, Living with Our G enes. you have about as much choice in some aspect of your personality. Hamer and co -author Peter Copeland write in the introductory chapter, “as you do in the shape of your nose or the size of your feet.Until recently, research into b

5、ehavioral genetics was dominated by psychiatrists and ps ychologists, who based their most compelling conclusions about the importance of genes o n studies of identical twins. For exampl, epsychologist Michael Bailey of Northwestern Un iversity famously demonstrated that if one identical twin is gay

6、, there is about a 50% likelihood that the other will be too. Seven years ag, o Hamer picked up where the twin studi es left off, homing in on specific strips of DNA that appear to influence everything from mood to sexual orientation.Hamer switched to behavioral genetics from basic research, after r

7、eceiving his doctora te from Harvard, he spent more than a decade studying the biochemistry of a protein that cells use to metabolize heavy metals like copper and zinc. As he was about to turn 40, however, Hamer suddenly realized he had learned as much about the protein as he cared to. uFrankly, I w

8、as bored, “ he remembers, “and ready for something new.Homosexual behavior, in particular, seemed ripe for exploration because few scientists had dared tackle such an emotionally and politically charged subject. “Im gay, “ Hamer s ays with a shrug, “but that was not a major motivation. It was more o

9、f a question of int ellectual curiosityand the fact that no one else was doing this sort of researchnThe first paragraph describes Hamer, sA looks, hobbies and character.B viewpoint on homosexuality.C unique life-style.D scientific research work.Hamer was aA psychiatrist.B physiologist.C chemist.D b

10、iologist.33 What is Hamer doing now?A He is exploring the role of genes in deciding one s intelligence.B He is exploring the role of genes in deciding one s personality.C He is writing a book entitled “Live with Our Genes.D He is trying to answer some questions on a test paper.34 What happened to Ha

11、mer? s research interest?A He turned to basic research.B He sticked to basic research.C He turned to behavioral genetics.D He sticked to behavioral genetics.35 According to Hamer, what was one of the main reasons for him to choose homos exuai behavior as his research subject?A He is a gay and he wan

12、ts to cure himself.B He was curious about it as a scientist.C He was curious about it like everyone else.D It is a subject that can lead to political success.Silent and DeadlyTransient ischemic attacks(TIAS), or mini-strokes, result from temporary interruptions of blood flow to the brain. Unlike ful

13、l strokes, they present symptoms lasting anywhere fr om a few seconds to 24 hours. Rarely do they cause permanent neurological damage, but they are often precursors of a major stroke.“Our message is quite clear, “ says Dr. Robert Adams, professor of neurology at the Medical College of Georgia in Aug

14、ust. TIAS, while less severe than strokes in the short term, are quite dangerous and needa quick diagnosis and treatment as well as appropriate follow-up to prevent future injury.Unfortunately, mini-strokes are greatly under diagnosed. A study conducted for the Na tional Stroke Association indicates

15、 that 2. 5% of all adults aged 18 or older(about 4. 9 milli on people in the U. S. )have experienced a confirmed TI A. An additional 1. 2 million A mericans over the age of 45, the study showed, have most likely suffered a mini-stroke w ithout realizing it. These findings suggest that if the public

16、knew how to spot the sympto ms of strok, e especially mini-strokes, and sought prompt medical treatment, thousands of li ves could be saved and major disability could be avoided.The problem is that the symptoms of amini-stroke are often subtle and passing. Non etheless, there are signs you can look

17、out for:Numbness or weakness in the face, arm or leg, especially on one side of the body.*Trouble seeing in one or both eyes.*Confusion and difficulty speaking or understanding.Difficulty walking, dizziness or loss of coordination.*Severe headache with no known cause.Along with these symptoms, resea

18、rchers have identified some key indicators that incre ase your chances of having a full-blown stroke after a TI： Aif you re over 60, have exper ienced symptoms lasting longer than 10 minute, s feel weak and have a history of diabete s.As with many diseases, you can help yourself by changing your lif

19、estyle. The first th ings you should do are quit smoking, limit your intake of alcohol to no more than a drin k or two a day and increase your physical activity. Even those who suffer from high bio od pressure or diabetes can improve their odd-sand minimize complications if they do ha ve a stroke一by

20、 keeping their illness under control.If you experience any of the symptoms, your first call should be to your doctor. It c ould be the call that saves your life.36 Which of the following is NOT true of mini-strokes?A The cause of them remains unidentified.B They seldom cause permanent neurological d

21、amage.C They symptoms of them are often passing.D They are not unrelated to major strokes.37 To prevent mini-strokes from turning into major strokes, it is important toA save thousands of lives.B avoid major disability.C seek prompt medical treatment.D prevent future injury.38 The passage indicates

22、that the symptoms of mini-strokesA are always easy to spot.B are frequently hard to recognize.C usually last a couple of days.D can by no means be avoided.39 All of the following may be signs of mini-strokes EXCEPT forA trouble seeing in one eye.B numbness in the face.C loss of coordination.D severe

23、 headache caused by external injury.40 Tt can be inferred from the passage that mini-strokes areA more dangerous than major strokes.B silent and deadly.C difficult to cure.D sure to lead to major strokes.第三篇Road Trip VacationsIt s summer. In the United States, it s the season of swimming pools, barb

24、eques, cam ping and road trips.Road trip vacations where the car journey is part of the fun are especially popular w ith college students, who like to explore the country on wheels. These budget trips are id eal for students who often have plenty of free time but little money.Ever since I went to co

25、llege, I ve been traveling around a lot, exploring the country, sai d Austin Hawkins, a 19-year-old college student from New York. This summer, Hawkins and his friends have spent weekends traveling in New England.The best part about car trips, said Hawkins, is that you can be spontaneous.0n a r oad

26、trip, if you get interested in things you see along the way you can stop and explore.Matt Roberts, a 20-year-old student from Ohio who drove to Montrea, 1 Canada, agree s. With road trips you dont have to plan in advanc, eyou can just get into a car and dri ve.Even with high gas prices, driving with

27、 friends is cheaper than flying. Roberts paid a bout 40 dollars for gas, but a round trip plane ticket would have cost nearly 400 dollars.Driving trips first became popular in the 1920s. Newly paved roads and improved, ca rs made it possible to travel longer distances. Motels started appearing outsi

28、de cities.By the 1950s, car ownership became the norm. Construction of the US interstate high way system began in 1956 and motel and restaurant chains popped upl everywhere makin g long distance trips easier.Today, the US has the highest car ownership rate in the world. Only 8 percent of A merican h

29、omes have no car, according to the most recent US census.Though many college students don t own a car, most have access to one. On many o f Hawkins trips, they used a borrowed van.Hawkins most memorable road trip took place over spring break. He and two friends drove from New York to New Orleans to

30、voluntee, rhelping rebuild the city after Hurric ane Katrina hit it last July. They crossed the country in two days and slept in their car i n church parking lots.Roberts road trip to Canada last winter was even more eventful. Upon arriving in M ontreal, they were lost in a blizzard and shivering in

31、 the25- cold. To find their hotel, the y turned on a laptop and drove around in circles until they found a spot with wireless Int ernet coverage.I know we should have planned better, but we re young. Now, when I see those gu ys I always say： Remember when we were lost in the snow storm!? I 11 never

32、forget that. 41 Which of the following statements is NOT true of American college students?A They have little money.B They like traveling by bike.C They like to explore the country.D They often have plenty of free time.42 What will Hawkins do when he sees something interesting on a road trip?A He wi

33、ll turn back.B He will drive around.C He will stop to explore.D He will stop exploring.43 When did motels suddenly appear?A After the work to build the interstate highway system started.B When driving trips became popular.C After many roads were paved.D After new cars were made.44 Which of the follo

34、wing words can best describe Hawkins trip to New Oriends?A Eventful.B Colourful.C Delightful.D Unforgettable.45 The word blizzard in paragraph 12 can be replaced byA snowstorm.B hurricanEC mist.D fog.五、補(bǔ)全短文。補(bǔ)全短文。Looking to the futureHis new girlfriend had omitted to tell him that she was married.A f

35、ailed B deletedC refused D rejectedThe substance can be added to gasoline to accelerate the speed of automobiles.A quicken B shortenC loosen D enlargeWe should never content ourselves with a little knowledge only.A convince B satisfyC comfort D benefitWe should contemplated the problem from all side

36、s.A deliberated B thoughtC described D designedHis health had deteriorated while he was in prison.A became better B became worseC became stronger D became weakerIf you want my advic, e you should revise your plan for the trip to Beijing.When a magazine for high-school students asked its readers what

37、 life would be like i n twenty years, they said： Machines would be run by solar power. Buildings would rotate so they could follow the sun to take maximum advantage of its light and heat. Walls w ould “radiate light” and uchange color with the push of a button. food would be replac ed by pills._46 .

38、 Cars would have radar. Does this sound like the year ?47,The future is much too important to simply guess about, the way the high school stu dents did, so experts are regularly asked to predict accurately. 48 . But can they?0ne expert on cities wrote： cities of the future would not be crowded, but

39、would have space for farms and fields. People would travel to work in uairbusesn , large all-weather helicopte rs carrying up to 200 passengers. When a person left the airbus station he could drive a coin-operated car equipped with radar. The radar equipment of cars would make traffic ac cidents alm

40、ost unheard of” , Does that sound familiar?If the expert had been accurate it would, because he was writing in 1957. his subject was “The city of 1982” .If the professionals sometimes sound like high-school students, it s probably because f uture study is still a new fielD But economic forecasting,

41、or predicting what the economy will do, has been around for a long timE It should be accurate, and generally it is. But there have been some big mistakes in this field, too. _49_. In October of that year, the stock market had its worst losses ever, ruining thousands of investors who had put their fa

42、ith in financial foreseers.50 Tn 1957, H. J. Rand of the Rad Corporation was asked about the year, “Only one thing is certain, “ he answereD uChildren will have reached the age of 43. ”A By carefully studying the present, skilled businessmen scientists, and politicians are supposedly able to figure

43、out in advance what will happen.B School would be taught “by electrical impulse while we sleep. C One forecaster knew that predictions about the future would always be subject to s ignificant errors.D In early 1929, most forecasters saw an excellent future for the stock market.E Everyone may look to

44、 the future for it is always promising.F Actually, the article was written in 1958 and the question wa, s “what will life be 1 ike in 1978?”六、完型填空。.完型填空。Happy Marriage, Happy HeartHappily married people have lower blood pressure 51 unhappily married people or singles, a BrighamYoungUniversity study

45、says.On the other hand, even having a supportive social network did not translate into a b lood pressure benefit for singles or unhappily _52 peoplel, according to the study.“There seem to be some unique health benefits from marriagE It s not just being mar ried53benefits health - what s really the

46、most protective of health is having a happ y 54 study author Julianne Holt-Lunstad, a psychologist who specializes in relati onships and health, said in a prepared statement.The study included 204 married and 99 55 adults who wore portable bloodpressure monitors for 24 hours. The56 recorded blood pr

47、essure at random interval s and provided a total of about 72 readings.We wanted to capture participantsJ blood pressure doing whatever they normally 57in everyday lifE Getting one or two readings in a clinic is not really58of t he fluctuations that occur throughout the day, 4 Holt-Lunstad said.Overa

48、ll, happily married people scored four points59on the blood pressure re adings than single adults. The study also found that blood 60 among married peopl e - especially those in happy marriages 61 more during sleep than in single peopl e.pressure remains high throughoutResearch has shown that people

49、 whose bloodthe night are at62greater risk of heart diseasethe night are at62greater risk of heart diseasethan peoplewhose blood pressuredrops, HoltLunstad said.The study was published in the March 2063of the journal Annals of Behaviora 1Medicine.higher blood pressureThe study also found that unhapp

50、ily married adults have than64happily married and single adults.Holt-Lunstad noted that married couples can encourage healthy habits in one 65 _ such as eating a healthy diet and having regular doctor visits. People in happy marriage s also have a source of emotional support, she said.51 A from B to

51、 C than D by52 A married B engaged C linked D loved53 A which B that C this D what54 A life B marriage C partner D spouse55 A young B old C single D experienced56 A monitors B doctors C nurses D researchers57 A take B do C make D want58 A supportive B active C representative D protective59 A most B

52、lower C higher D least60 A pressure B speed C level D flow61 A stopped B dropped C rose D ran62 A more B some C much D any63 A page B number C copy D issue64 A nor B both C neither D either65 A another B each C other D every年職稱英語考試衛(wèi)生B模仿試卷答案答案某些一、單項(xiàng)選取題【對(duì)的答案】B【對(duì)的答案】A【對(duì)的答案】C【對(duì)的答案】D【對(duì)的答案】A【對(duì)的答案】A7.【對(duì)的答案

53、】B【對(duì)的答案】A【對(duì)的答案】B【對(duì)的答案】A【對(duì)的答案】C【對(duì)的答案】D【對(duì)的答案】C【對(duì)的答案】C15.【對(duì)的答案】C二、閱讀判斷。閱讀判斷。1.(1【對(duì)的答案】A(2【對(duì)的答案】C(3【對(duì)的答案】B(4【對(duì)的答案】A(5【對(duì)的答案】A(6【對(duì)的答案】C(7【對(duì)的答案】A三、概括大意與完畢句子。概括大意與完畢句子。1.(1【對(duì)的答案】A(2【對(duì)的答案】B(3【對(duì)的答案】C(4【對(duì)的答案】F(5【對(duì)的答案】D(6【對(duì)的答案】A(7【對(duì)的答案】F(8【對(duì)的答案】E四、閱讀理解1.(1【對(duì)的答案】A(2【對(duì)的答案】D(3【對(duì)的答案】B(4【對(duì)的答案】C(5【對(duì)的答案】B2.(1【對(duì)的答案】A(2

54、【對(duì)的答案】C(3【對(duì)的答案】B(4【對(duì)的答案】D(5【對(duì)的答案】B3.(1【對(duì)的答案】(2【對(duì)的答案】CA change B exchangeC enlarge D encourage11 Smoking is inhibited in public places.A instructed B inquireC forbiddenD strivedeuthanasia12. He is said to be suffering from terminal cancer and has asked（安樂死）A acute B chronicC final D fatal13 I felt im

55、pelled to tell the truth.A promoted B inducedC compelled D improvedout.14 Its prudent to take a thick coat in cold weather when youA controversial B reasonableC sensible D sensitive15 Are you positive that theres been no mistake?A rational B reasonable(3【對(duì)的答案】A(4【對(duì)的答案】D(5【對(duì)的答案】A五、補(bǔ)全短文。 補(bǔ)全短文。【對(duì)的答案】1.

56、B 2. F 3. A 4. D 5. C六、完型填空。 完型填空。1.(1【對(duì)的答案】C(2【對(duì)的答案】A(3【對(duì)的答案】B(4【對(duì)的答案】B(5【對(duì)的答案】C(6【對(duì)的答案】A(7【對(duì)的答案】B(8【對(duì)的答案】C(9【對(duì)的答案】B(10【對(duì)的答案】A(11反鶯浮?B(12【對(duì)的答案】C(13【對(duì)的答案】D(14【對(duì)的答案】B(15【對(duì)的答案】AC certain D bound二、閱讀判斷。閱讀判斷。An Observation and an ExplanationIt is worth looking at one or two aspects of the way a mother b

57、ehaves towards her baby. The usual fondling, cuddling and cleaning require little comment, but the position in which she holds the baby against her body when resting is rather revealing. Careful studi es have shown the fact that 80 percent of mothers hold their infants in their left arms, ho Iding t

58、hem against the left side of their bodies. If asked to explain the significance of thi s preference most people reply that it is obviously the result of the predominance of right -handedness in the population. By holding the babies in their left arms, the mothers keep their dominant arm free for man

59、ipulations. But a detailed analysis shows that this is not t he casE True, there is a slight difference between right-handed and left-handed femaleso b ut not enough to provide adequate explanation. It emerges that 83 percent of right-handed mothers hold the baby on the left side, but so do 78 perce

60、nt of left-handed mothers. In other words, only 22 percent of the left-handed mothers have their dominant hands free fo r actions. Clearly there must be some other, less obvious explanation.The only other clue comes from the fact that the heart is on the side of the mother? s body. Could it be that