2017年考研英语一真题原文及答案解析完整版2017年全国硕士研究生入学统一考试英语（一） Section I Use of English Directions: Read the following text. 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 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 winter. In 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 of hugs 6 the participants susceptibility to developing the common cold after being 7 to the virus .People who perceived greater social support were less likely to come 8 with a cold ,and the researchers 9 that the stress-reducing effects of hugging 10 about 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 professor of psychology at Carnegie. Hugging “is a marker of intimacy and helps 15 the feeling that others are there to help 16 difficulty.” Some experts 17 the stress-reducing , health-related benefits of hugging to the release of oxytocin, often called “the bonding hormone” 18 it promotes attachment in relationships, including that between mother and their newborn babies. Oxytocin 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. 1A Unlike B Besides C Despite D Throughout 2A connected B restricted C equal D inferior 3A choice B view C lesson D host 4A recall B forget C avoid D keep 5A collecting B involving C guiding D affecting 6A of B in C at D on 7A devoted B exposed C lost D attracted 8A across B along C down D out 9A calculated B denied C doubted D imagined 10A served B required C restored D explained 11A Even B Still C Rather D Thus 12A defeats B symptoms C tests D errors 13A minimized B highlighted C controlled D increased 14A equipped B associated C presented D compared 15A assess B moderate C generate D record 16A in the face of B in the form of C in the way of D in the name of 17A transfer B commit C attribute D return 18A because B unless C though D until 19A emerges B vanishes C remains D decreases 20A experiences B combines C justifies Dinfluences Section II Reading Comprehension Part A Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on the ANSWER SHEET. (40 points) Text 1 First two hours , now three hoursthis is how far in advance authorities are recommending 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 procedures in return for increased safety. The crash of Egypt Air Flight 804,which terrorists may have downed over the Mediterranean 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 Transportation Security Administration (TSA) found in a secret check that undercover investigators were able to sneak weapons-both fake and realpast airport security nearly every time they tried .Enhanced security measures since then, combined with a rise in airline travel due to the improving Chicagos OHare International .It is not yet clear how much more effective airline security has becomebut the lines are obvious. Part of the issue is that the government did not anticipate the steep increase in airline travel , so the 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 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 win-win for travelers and the TSA. Passengers who pass a background check are eligible to use expedited screening lan