_ helping you feel close and _2_ to people you care about, it turns out thathugs can bring a_3_ of health benefits to your body and mind.Believe it or not,a warm embrace might even help you 4 getting sick this winter.Ina recent study 5 over 400 healthy adults, researchers from CarnegieMellon University in Pennsylvania examined the effects of perceived social supportand the receipt of hugs _6the participants'susceptibility to developing thecommon cold after being _77to the virus.People who perceived greater socialsupport were less likely to come _8 with a cold, and the researchers 9_ thatthe stress-reducing effects of hugging 10 about 32 percent of that beneficialeffect.11 among those who got a cold, the ones who felt greater social supportand received more frevent hugs had less severe 12.“Hugging protects people who are under stress from the 13 risk for coldsthat's usually _14 with stress,"notes Sheldon Cohen,a professor of psychologyat Carnegie.Hugging“is a marker of intimacy and helps 15 the feeling thatothers are there to help _16 difficulty."Some experts _17_ the stress-reducing, health-related benefits of huggingto the release of oxytocin, often called“the bonding hormon

2022 年全国硕士研究生入学统一考试英语（一）试题参考答案完形填空1.[A] coined2.[C] compared3.[D] though4.[C] hinted at5.[D] differs6.[B] evidence7.[C] argued8.[B] forming9.[A] analogous10.[D] even11.[C] perspective12.[B] reducing13.[A] However14.[C] superficially15.[B] level16.[D] added17.[A] chances18.[A] danger19.[D] recognizes20.[B] poor阅读理解Text121.[A] maintaining their plastic items22.[B] improperly shaped23.[D] prevent them from further damage24.[D] challenging25.[B] has profound historical significanceText226.[C] reassess the necessity of college education27.[B] the shrinking value of a degree28.[C] Employers are taking a realistic attitude to degrees。47.它列出了许多密码文件，这些文件是从驻扎西班牙的法国军队所缴获的，一名英国总部的军官乔治·斯科维尔的工作已经揭露其中的秘密。48.他无法认真分析，这位默默无闻的军官，是否对那场国家间的伟大斗争做出了什么贡献，也无法确切告诉我们关于他本人的任何情况。49.在拿破仑战争期间，可能有许多间谍和情报官员，但要找到他们实际提供或工作所用到的材料通常

the term “plant neurobiology”was _1_ around the notion that some aspects of plant behavior could be _2_ to intelligence in animals._3_ plants lack brains, the firing of electrical signals in their stems and leaves nonetheless triggered responses that _4_ consciousness, researchers previously reported.But such an idea is untrue, according to the authors of the new article.Plant biology is complex and fascinating, but it _5_ so greatly from that of animals that so-called _6_ of plants' intelligence is intriguing but inconclusive, the scientists wrote.Beginning in 2006, some scientists have _7_ that plants possess neuron-like cells that interact with hormones and neurotransmitters, _8_ “a plant nervous system, _9_ to that in animals,”said Lincoln Taiz.“They _10_ claimed that plants have 'brain-like command centers' at their root tips,”Taiz told Live Science in an email.This _11_ makes sense if you simplify the workings of a complex brain, _12_ it to an array of electrical pulses;cells in plants also communicate through electrical signals, according to the article._13_, the signaling in a plant is only _14_ similar to the billions of signals firing in a complex animal brain

Section I Use of EnglishDirections:Read the following text.Choose the best word(s)for each numbered blank and markA,B,C or D on ANSWERSHEET1.(10 points)The idea that some groups of people may be more intelligent than others is one ofthose hypotheses that dare not speak its name.But Gregory Cochran is _1_ tosay it anyway.He is that _2_ bird,a scientist who works independently _3_any institution.He helped popularize the idea that some diseases not _4_ thoughtto have a bacterial cause were actually infections, which aroused much controversywhen it was first suggested._5_ he, however, might tremble at the _6_ of what he is about to do.Togetherwith another two scientists, he is publishing a paper which not only _7_ thatone group of humanity is more intelligent than the others, but explains the processthat has brought this about.The group in _8_ are a particular people originatedfrom central Europe.The process is natural selection.This group generally do well in IQ test,_9_12-15 points above the _10_value of 100, and have contributed _11_ to the intellectual and cultural lifeof the West, as the _12_ of their elites, including several world-renownedscientists,_13_.They also suffer more of