2018考研英語完形填空25篇全精講歡迎加入總?cè)?1群號碼

1、愛商英志取高英完形填空精練251. 做題猛才是愛商英志取高英完形填空精練251. 做題猛才是真的猛！做題猛才是我黨最需要！2. 要想游泳猛，只能下水去游！要想做題猛，只能去做題有的人想游泳猛，卻不愿意下水，曰：我還不會游泳，需要現(xiàn)在岸上學會了，才能下水。嗚呼不可能學會游泳了有的人想做題猛，卻不愿意去做題，曰：我現(xiàn)在還不會做題，單詞語法都本質(zhì)是逃避，花了大把寶貴的時間去背單詞學語法，然后，就發(fā)現(xiàn)做題水平本沒有相應(yīng)提高不可能了道用應(yīng)試教學的方法和資料格式化你的思維模式，完全進入應(yīng)試教學通過這門課，提高的，不僅僅是完形填精練精講Could a hug a day keep the doctor aw

2、ay? The answer may be a resounding “yes!” 1 helping youfeel close and 2 topeople you care about, it turns out that hugs canbringa 3 of health benefits精練精講Could a hug a day keep the doctor away? The answer may be a resounding “yes!” 1 helping youfeel close and 2 topeople you care about, it turns out

3、that hugs canbringa 3 of health benefits to your body and mind. Believe it or not, a warmembrace might even help 4 gettingsickthisIn a recent study 5 over 400 health adults, researchers from Carnegie Mellon University in Pennsylvania examined the effects of perceived social support and the receipt o

4、f hugs 6 the participantssusceptibility to developing the common cold after being 7 to the virus.People whoperceivedgreatersocialsupportwerelesslikelytocome 8 witha cold, and the researchers 9 that the stress-reducing effects of hugging 10 about 32 percent of that beneficial effect. 11 among those w

5、ho got a cold, the ones who felt greater social support and received more frequent hugs had less severe 12 .“Hugging protects people who are under stress from the 13riskforcoldsthatsusually 14 with stress,” notes Sheldon Cohen, a professor of psychology at Carnegie. Hugging “is a marker ofintimacyan

6、dhelps the feelingthat others aretheretohelp 16 difficulty.”Some experts 17 the stress-reducing, health-related benefits of hugging to the release of oxytocin, oftencalled“the bonding hormone” itpromotesattachment inrelationships,includingthatbetweenmotherandtheir newbornbabies.Oxytocinismadeprimari

7、lyinthelower part ofthe brain, andsome of it is released into the bloodstream. But some of it thebrain,where mood,behaviorandphysiology.AAAAAAAAAAAAAAAAinthefaceAAAABBBBB BBBBBBB BBBBintheformBBBBCCCCC CC C CCCCCCCCinthewayCCCCDD DD DDDD DDDDD DDDinthenameDDDD精練精講Thinner isnt always better. Anumber

8、of studies have t normal-weight people inhigherriskofsome diseases comparedtothosewhoareoverweight. Andthereareconditions for which being overweight ually . For le, heavier women are likelytodevelopcalciumnthinwomen. 精練精講Thinner isnt always better. Anumber of studies have t normal-weight people inhi

9、gherriskofsome diseases comparedtothosewhoareoverweight. Andthereareconditions for which being overweight ually . For le, heavier women are likelytodevelopcalciumnthinwomen. ,amongtheelderly,beingoverweightis oftenan ofgoodhealth.Of even greater is the factt obesity turns out to be very difficult to

10、 define. It often defined body mass index, or BMI. BMI 7 body mass divided by the square ofheight. Anadult BMI of18 to25 is often considered tobe normal weight. n 25 30 is overweight. And over 30 is considered obese. Obesity, , can be yobese,severelyobese,andveryseverelyoWhile such numerical standar

11、ds seem , they are not. Obesity is probably less a of n body fat. Some people high BMI are in fact extremely fit, otherslow BMI may be in poor . For le, many collegiate and al players 12 as obese, though their percentage body fat is low. Conversely, someone wi small frame may have high body fat but

12、a 13 BMI.Today we have a(n) to label obesity as a disgrace. The overweight are sometimes in the media with their facovered. Stereotypes with obesity include lackofer,androspects for s. Teachers,employers,andhealthhave been shown to harbor biases against the obese. 17 very young children tend to look

13、 down on the overweight, and teasing about body build has long been a problem in schools.Negative attitudes toward obesity, 18 in health concerns, have stimulated a number anti-obesity . My own hospital system has banned sugary drinks fromits facilities. employers have instituted weight loss and fit

14、ness initiatives. e Obama has launched t it represents our n childhood obesity, even nationalsecurityAAAAABBBB BBincaseBBinB BBBBBBBCCCCCCinfavorCDD DD D DinrespectsD DinD D D D D D D D6. ermsAAinAAAAAAAACCCCCC C CAAAABBBBCCCC DD D D s精練精講AncientGreekphilosopherAristotleviewedlaughteras“abodilyexerc

15、iseprecioustoBut some claims to the contrary, laughing probably has little influence on physical AAAABBBBCCCC DD D D s精練精講AncientGreekphilosopherAristotleviewedlaughteras“abodilyexerciseprecioustoBut some claims to the contrary, laughing probably has little influence on physical Laughter does short-

16、termhefunctionofthe heartanditsbloods, heart rate and oxygen consumption. But because hard laughter is difficult to 4,agoodlaugh is unlikely to have 5benefits the way, say, walking or jogging does. 6, instead of straining muscles to build them, as exercise does, laughter apparently plishes the . Stu

17、dies dating back to the 1930s t laughter decreasingmuscletonefor upto45minutesafterthelaughdiesSuch bodily reaction might conceivably help the effects of psychological stress.Anyway, the act of laughing probably does produce other types of t an individuals emotional e. one classical theory of emotio

18、n, our feelings are of the 19th t humans do rooted physical reactions. It was arguedcry theyaresadtesadwhenthetears o emotions can flow Although sadness also tears, evidence tmuscular responses. In an experiment published in 1988, l psychologist Fritz Strack of University of Wrzburg in Germany asked

19、 teers to a pen either with teeththereby creating an l or with their lips, which would produce a(n) . Those forced to exercise their smiling muscles more enthusiastically to n did those whose mouths were contracted in a frown, t s influence emotions couldimproven just the other way , the physical ac

20、t of BInCInDInAExceptCsubconsciousD BAccordingtoCDueDAsA ed 精練精講As many people hit middle age, they A ed 精練精講As many people hit middle age, they often start to t their memory and clarity are not what they used to be. We suddenly cant remember ut the keys just moment ago, or an old name, or the name

21、of an old band we used to love. As brain , we refer to these as “senior moments.” seeminglyinnocent,this loss of mental focus can potentially have impact on our profesal, al Neuroscientists, experts whostudythe nervous system, are increasinglyt actuallya t can be done. It t the brain needs uchthe sa

22、me our muscles do, and the right mental can significantly improve our basic cognitive.Thinkingis essentiallyaofmakinghebrain.Toacertainour ability to aking the t elligence is inherited. becausetheseconnectionsaremadethrougheffortandpractice,scientistscanexpandand fluctuateNow, a newWeb-based company

23、 has takenit a step anddevelopedtrainingprogram”designedtoactuallyhelppeopleimproveandheir mentalThe Web-based program you to systematically improve your memory and attention skills. The program keeps of your progress and provides detailed feedback your performance and improvement. Most importantly,

24、 it modifies the games you play to on the strengths you are develomuch like exerciseroutinerequiresyoutoandvaryyour muscleAAAAAAAAAAAAaccordingABBBBB B BBBB BBregardlessBtD DDD D D D assoCCCC C C CCCC CapartCD sD DDinsteadDAAAAAAABB BB BB BCCCC CCC D DD D D D D 精練精講The human nose is an underrated to

25、ol. HumansAAAAAAABB BB BB BCCCC CCC D DD D D D D 精練精講The human nose is an underrated tool. Humans are often thought to be insensitive compared with animals, this is largely because, 2 animals, we stand upright. Thist our noses are to perceiving those smells which float through the air, 4the majority

26、 of smells which stick to . In fact , we are extremely sensitive tosmells, we do not generallyrealizeit. Our noses arecapable of 7 humansmellsevenwhentheseare tofar below one part in one million.Strangely, some people t they can smell one type of flower but not another, others are sensitive to the s

27、mells of both flowers. This may be because some people do tes sary to generate smellreceptorshe nose. These receptors are the which sense smells and send to the brain. However, is been t even insensitive to a certain smell 12 can suddenly often enough.The explanation for insensitivity to smell seems

28、 to e sensitive to it when to itt brain finds it to keep allsmell receptors working all the time an new receptors if nesary. This may explain why we are not usually sensitive to our own smells we simply do not need to be. We are not of the usual smell of our own house but we 18 new smells when we vi

29、sitsomeone elses. The brain finds it best to keep smell receptors for unfamiliar andemergencysignals thesmellofsmoke,ightindicatethedangerofBifBatConlyDasDat11. A BsuchCalongDaside精練精講PeopleA BsuchCalongDaside精練精講Peopleare,onthewhole,pooratconsideringbackgroundinformationwhenmakings. glance this mig

30、ht seem like a t the ability tot judgments which are unbiased by factors. But Dr. Uri Simonsohn speculatedinability to consider the big was leading -makers to be biased by the daily ofinformationtheywereworkingwith. , heta judge ofappearingtoocrime might be more likely to send someone to prison he h

31、ad already sentenced five sixother defendantsonlytoforcedcommunityserviceTo thisidea,heturnedtothe university-ts heory, the of anerviewduringthesame applicantshouldnot dependonthefewothers forbutDr.edthetruthwas He studied the results of 9,323 erviews by 31 s officers. erviewers had applicants on a

32、scale of one to five. This scale numerous o consideration. The scores were used in conjunction with an applicants score on Graduate Management 800 s,tomakea Test, or GMAT, a standardized exam which is out onwhethertoaccept himor Dr. Simonsohn found if the score of the previous candidate in a daily s

33、eries swas 0.75 s or more applicant would by nt of the one t, then the score for the age of 0.075 s. This might sound small, but to effects of such a decrease a candidate would need 30 more GMAT havebeen 20 sn would AA BBexternal CC CCInCC CCC CCC CD D D DForAeAAboveAAAAAAAAAB BB BD D D D BBBBBBD sD

34、 D D DAAAAAAB B BBBB C C CCC C C D DD D drop D A精練精講Research on elligence always makes us wonder just AAAAAAB B BBBB C C CCC C C D DD D drop D A精練精講Research on elligence always makes us wonder just smart humans are. the fruit-fly experiments described by Carl Zimmer in the Science Times. Fruit s who

35、 taught to be n the average fruit fly to live shorter lives. Thibulbsburntthereisa(n) in not being too bright.t elligence, it , is a high-priced option. It takes more upkeep, burns more fuel and isslow the starting line because it depends on learninga(n) 7sinstead instinct. Plenty of other species a

36、re able to learn, andone of the things theyve apparently iswhento Is there anadaptive value to tsthequestionbehindthisnewInstead of casting a wistful glance at all the species weve lefthe dust I.Q.-wise, implicitlyasks whatthereal ofourownofeveryanimalweveever elligencemightbe.This 12 themindResearc

37、honelligencealsomakes us wonder whatexperimentsanimals 13onhumansiftheyhadthechance.Everycatnowner ,isrunningasmall-scaleinoperantconditioning.Wet animals ranthe labs, theywouldtest us to 16the limits of our patience, our faithfulness, our memory for locations. They would try to elligence in humans

38、is really , not merely how much of it there is. , would hope tostudy a(n) question:Are human the results are inconclusive.ually aware ofthe world theylive eBsumsCturnsDputsAinsistsAby AByBinCasDforDBettere CSoAby AByBinCasDforDBettere CSo精練精講The t groups of people may be n others is one of t dare no

39、t speak its name. But Gregory Cochran is to say it anyway. He ist bird, a scientist who works independently 3 any institution. He helpedpopularize the t some diseases not thought to have a bacterial cause were actuallyinfections,whicharousedmuchcontroversywhenit he, however, might tremble at the 6 o

40、f what he is about to do. Together withanother twoscientists,heispublishinga r whichnot only tone group of is n the others, but explains the ss brought this about. The in area particularpeople originatedfromcentralEurope.Theprosis naturalThis group generallydo well inIQ tests, 1215 pos above the val

41、ue of100,and have contributed to theellectual and cultural life of the West, as the oftheir elites, including several world-renowned scientists, 13. They also suffer more often n most people from a number of nasty genetic diseases, such as breast cancer. These facts, 14, have previously been thought

42、 unrelated. The former has been to sol effects, asa strongtraditionof education. The latter was seen as a (an) 17 ofgeneticisolation.Dr.Cochrant elligenceanddiseasesy .Hisargumentthe unusual history of these people has them to unique evolutionary his eoflsC 10. 11. yAgivenBgotCcarriedDputAdevelopmen

43、t AgivenBgotCcarriedDputAdevelopment B 精練精講In 1924 experiments at a National Research Council sent two to supervise a series ephone-parts factory called the Hawthorne Plant near Chicago. It they would learn how shop-floor lighting workers productivity. Instead, the studies giving their name to the “

44、Hawthorne effect”, the extremely influential tobeingexperimenteduponchangedsubjectst the very The idea arose because of the 4behavior of the women in the plant. According to 5 of the experiments, their hourly output rose when lighting was increased, but also when it dimmed. It did not what was done

45、in the experiment; something was changed,productivityrose. 8t they were being experimented upon seemed to be toalterworkersbehavior After several decades, the same data were to ysis. The experimentshas another surpriseinstore. the descriptions onrecord, nosystematic 13wastlevelsofproductivitywererel

46、atedtochangesinIt turns t peculiar way of conducting the experiments may have led to ions of ppened. , lighting was always changed on a Sunday. When started again on Monday, 16 rose compared with the previous Saturday and 17to rise for the next couple of days. , a comparison withdata ks when there w

47、as ion toutput always went up on Mondays. Workers tobe diligentk in any case, before a plateau and then slackening off.for few days of tthealleged“Hawthorneeffect”is hardtopin7.Aas far as DsolongDpeculiarBfortCint Cparallel15.AIncontrast CInDAs15.AIncontrast CInDAsD BFor精練精講Though not biologically r

48、elated, friends are as “related” as fourth cousins, sharing about of t is a study, published fromthe University of California andYale UniversityheProceedingsoftheNationalAcademyof, has The study is a genome-ysis conducted 1,932 unique subjects which 4pairsofunrelatedfriendsandunrelatedstrangers.Thes

49、amepeoplewereusedinboth While 1% may seem 6,itisnotsotoageneticist.AsJamesFowler,professorofmedical geneticsatUCSanDiego,says,“Mostpeopledonot even their fourthcousins but somehowmanagetofriendsthepeople who ourkin.”The study 9 foundt the genes for smell were something shared in friends but not gene

50、s for immunity. Why this similarity exists in smell genes is difficult to explain, for ,astheteamsuggests,it draws ustosimilarenvironmentsbutthereis more it.Therecould be many mechanisms working t us in choosing genetically similarfriends “functional kinship” ofbeingfriends with 14One of the remarka

51、ble findings of the study t the similar genes seem to be nother genes. Studyingthis couldhelp why human evolution picked pacelast30,000years,withlenvironmentbeinga major factor.The findings do not simply explain peoples to befriend those of similar 19backgrounds, say the researchers. Though European

52、 extraction, care was taken to 20 from the same population.the subjects were drawn from a population tallsubjects,friendsandstrangers,wereAAAAAAAAAB BB BBBB BB C CC CD DD D C D CC CCD D DD AAAAaccordingAAAAAAAB B B CC C CregardlessCCCC C CC D D D DalongD D D D D D BnBAAAAaccordingAAAAAAAB B B CC C C

53、regardlessCCCC C CC D D D DalongD D D D D D BnBBBB B BB l精練精講The outbreak of swine t exico was declared a on June 11, 2009. It is 41demic by the World Healthanization The heightened alert an emergency meeting with flu experts intassembled after a sharp rise in cases in Australia, and rising in Brita

54、in, Japan, Chile andBut demic is “ ” in severity, according to Margaret Chan, eneral, the overwhelming majority of patients experiencing only mildsymptomsandafullrecovery, he ofanymedicaltreatment.The outbreak came to global 7 in late April 2009, when Mexican authorities noted an unusually large num

55、ber of hospitalizations and deaths 8 healthy adults. As much of Mexico City shut down at the height of a panic, cases began to 9 in New York City, the southwestern United S es and around the world.he United S es, new cases seemed to fade 10 warmer weather arrived. But in September 2009, ls reported

56、there was flu activity in almost every se tvirtually all the tested are the new swine flu, also known as (A), not seasonal n 600 deaths he U.S., s moren one million people, and caused n6,000 Federal health offi ls 14 Tamiflu for children from the national stockpile and 15 orders from the s es for th

57、e new swine flu vaccine. The new vaccine, which is different fromtheannualfluvaccine, is 16 aheadof expec ions.More nthree milliondoses were to be made available in early October 2009, though most of those 17 doses were of FluMist nasal spraytype, whichis not 18 for pregnant women, people over 50 or

58、 thosebreathing difficulties, heart disease or several other . But it was sible to people in other high-risk groups: health care workers, people infants and healthy AAAAAAAAAstayAB BBBB B B B BcropB BC CCCC CCC CfillCCCCC CCCD D D people in other high-risk groups: health care workers, people infants

59、 and healthy AAAAAAAAAstayAB BBBB B B B BcropB BC CCCC CCC CfillCCCCC CCCD D D D D D D D DcoverD D 11.AAAAAAAAAinvolvedB D BBBBBBD DD DD B CCconcernedD DwardingBcaring精練精講Comparisons were drawnn the development he 20th century and of he nd 16th centuries. Yet much had happened ( 21 ) As discussed be

60、fore, it was not ( 22 the 19th centuryt the r became the pre-electronic ( 23 , he wake of the hlet and the book he ( 24 of the periodical. It was during the same t the communications revolution ( 25 up,beginning withtransport, therailway, andleading ( 26 throughegraph,radio, and motion pictures ( 27