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1、2017年考研英语一试题及答案解析Section Use of EnglishDirections: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 yo
2、u 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 healthy adults, researchers from Carnegie Mellon University in Pennsylvania examined the ef
3、fects 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 hugg
4、ing _（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
5、Cohen, a professor of psychology at Carnegie, Hugging is a marker of intimacy and help _（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 a
6、ttachment in relationships, including that between mothers 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.1. ABesidesBUnlikeCTh
7、roughoutDDespite2. AequalBrestrictedCconnectedDinferior3. AviewBhostClessonDchoice4. AavoidBforgetCrecallDkeep5. AcollectingBaffectingCguidingDinvolving6. AonBinCatDof7. AdevotedBattractedClostDexposed8. AalongBacrossCdownDout9. AimaginedBdeniedCdoubtedDcalculated10.AservedBrestoredCexplainedDrequir
8、ed11.AThusBStillCRatherDEven12.AdefeatsBsymptomsCerrorsDtests13.AhighlightedBincreasedCcontrolledDminimized14.ApresentedBequippedCassociatedDcompared15.AassessBgenerateCmoderateDrecord16. Ain the name ofBin the form ofCin the face ofDin the way of17.AattributeBcommitCtransferDreturn18.AunlessBbecaus
9、eCthoughDuntil19.AremainsBemergesCvanishesDdecreases20.AexperiencesBcombinesCjustifiesDinfluencesSection Reading ComprehensionPart ADirections: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 1First t
10、wo hours, now three hours this 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 protocols in return for increased safet
11、y. The crash of EgyptAir 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 dra
12、g 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 real past airport security nearly every time they tried. Enhanced security m
13、easures since then, combined with a rise in airline travel due to the improving economy and 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 become but the lines are obvious.Part of th
14、e 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
15、-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 lanes. This allows the TSA to focus on travelers who are higher risk, sav
