2021考研英语一真题及参考答案.doc
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1、2021考研英语一真题及参考答案20_考研英语一真题及参考答案 Section I Use of English Directions: Read the follog te_t.Choose the best word (s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET.(10 points)Could a hug a day keep the doctor away? The answer may be a resounding “yes!“ 1 helping you feel close and 2
2、 to people you care about, it turns out that hugs 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 ter.In a recent study 5 over 400 health adults, researchers from Carnegie Mellon University in Pennsylvania e_amined the
3、effects of perceived social support and the receipt of hugs 6 the participants susceptibility to developing the mon cold after being 7 to the virus .People who perceived greater social support were less likely to e 8 with a cold ,and the researchers 9 that the stress-reducing effects of hugging 10 a
4、bout 32 percent of that beneficial effect.11 among those who 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 13 risk for colds thats usually 14 with stress,“ notes Sheldon Cohen, a profess
5、or of psychology at Carnegie.Hugging “is a marker of intimacy and helps 15 the feeling that others are there to help 16 difficulty.“ Some e_perts 17 the stress-reducing , health-related benefits of hugging to the release of o_ytocin, often called “the bonding hormone“ 18 it promotes attachment in re
6、lationships, including that between mother and their newborn babies.O_ytocin is made primarily in the central lower part of the brain , and some of it is released into the bloodstream.But some of it 19 in the brain, where it 20 mood, behavior and physiology.1.A Unlike B Besides C Despite D Throughou
7、t 【答案】B Besides 2.A connected B restricted C equal D inferior 【答案】A connected 3.A choice B view C lesson D host 【答案】D host 4.A recall B forget C avoid D keep 【答案】C avoid 5.A collecting B involving C guiding D affecting 【答案】B involving 6.A of B in C at D on 【答案】D on 7.A devoted B e_posed C lost D att
8、racted 【答案】B e_posed 8.A across B along C down D out 【答案】C down 9.A calculated B denied C doubted D imagined 【答案】A calculated 10.A served B required C restored D e_plained 【答案】D e_plained 11.A Even B Still C Rather D Thus 【答案】A Even 12.A defeats B symptoms C tests D errors 【答案】B symptoms 13.A minimi
9、zed B highlighted C controlled D increased 【答案】D increased 14.A equipped B associated C presented D pared 【答案】B associated 15.A assess B moderate C generate D record 【答案】C generate 16.A in the face of B in the form of C in the way of D in the name of 【答案】A in the face of 17.A transfer B mit C attrib
10、ute D return 【答案】C attribute 18.A because B unless C though D until 【答案】A because 19.A emerges B vanishes C remains D decreases 【答案】C remains 20.A e_periences B bines C justifies Dinfluences 【答案】Dinfluences Te_t 1 First two hours, now three hours this is how far in advance authorities are remending
11、people show up to catch a domestic flight, at least at some major U.S.airports with increasingly massive security lines.Americans are willing to tolerate time-consuming security protocols in return for increased safety.The crash of Egypt Air Flight 804, which terrorists may have downed over the Medi
12、terranean Sea, provides another tragic reminder of why.But demanding too much of air travelers or providing too little security in return undermines public support for the process.And it should: Wasted time is a drag on Americans economic and private lives, not to mention infuriating.Last year, the
13、Transportation Security Administration(TSA) found in a secret check that undercover investigators were able to sneak weapons both fake and real past airport security nearly every time they tried.Enhanced security measures since then, bined with a rise in airline travel due to the improving economy a
14、nd low oil prices, have resulted in long waits at major airports such as Chicagos OHare International.It is not yet clear how much more effective airline security has bee but the lines are obvious.Part of the issue is that the government did not anticipate the steep increase in airline travel, so th
15、e TSA is now rushing to get new screeners on the line.Part of the issue is that airports have only so much room for screening lanes.Another factor may be that more people are trying to overpack their carry-on bags to avoid checked-baggage fees, though the airlines strongly dispute this.There is one
16、step the TSA could take that would not require remodeling airports or rushing to hire: Enroll more people in the PreCheck program.PreCheck is supposed to be a - for travelers and the TSA.Passengers who pass a background check are eligible to use e_pedited screening lanes.This allows the TSA to focus
17、 on travelers who are higher risk, saving time for everyone involved.TSA wants to enroll 25 million people in PreCheck.It has not gotten anywhere close to that, and one big reason is sticker shock: Passengers must pay $85 every five years to process their background checks.Since the beginning, this
18、price tag has been PreChecks fatal flaw.Uping reforms might bring the price to a more reasonable level.But Congress should look into doing so directly, by helping to finance PreCheck enrollment or to cut costs in other ways.The TSA cannot continue diverting resources into underused PreCheck lanes wh
19、ile most of the traveling public suffers in unnecessary lines.It is long past time to make the program work.21.The crash of EgyptAir Flight 804 is mentioned to A e_plain Americans tolerance of current security checks.B stress the urgency to strengthen security worldwide.C highlight the necessity of
20、upgrading major U.S.airports.D emphasize the importance of privacy protection.22.Which of the follog contributes to long waits at major airports? A New restrictions on carry-on bags.B The declining efficiency of the TSA.C An increase in the number of travellers.D Frequent une_pected secret checks.23
21、.The word “e_pedited” (Liner 4, Para.5) is closet in meaning to A quieter.B cheaper.C wider.D faster.24.One problem with the PreCheck program is A a dramatic reduction of its scale.B its wrongly-directed implementation.C the governments reluctance to back it.D an unreasonable price for enrollment.25
22、.Which of the follog would be the best for the te_t? A Less Screening for More Safety B PreCheck a Belated Solution C Getting Stuck in Security Lines D Underused PreCheck Lanes 答案:21-25 ACDDC Te_t 2 “The ancient Hawaiians were astronomers,” wrote Queen Liliuokalani, Hawaiis last reigning monarch, in
23、 1897.Star watchers were among the most esteemed members of Hawaiian society.Sadly, all is not well with astronomy in Hawaii today.Protests have erupted over construction of the Thirty Meter Telescope (TMT), a giant observatory that promises to revolutionize humanitys view of the cosmos.At issue is
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