新编六级听力每日练习-第230期.docx

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新编六级听力每日练习第230期

PassageOne26.A.Doingpotentialharmtohumanbodies.B.Increasingmoistintheusers'eyes.C.Reducingtheworkinghourstothreehoursaday.D.Makingtheusers'eyesmorebeautiful,muchwilder.27.A.Radiationfromtheterminal.B.Stressinworkinghours.C.Withoutadequateeye-drops.D.Lessorlittlemoistureintheeyes.28.A.Makealongtimetorest.B.Feelrelaxedwhileworking.C.Closeeyesmoreoften.D.Keepeye-dropshandy.PassageOneNowadaysmoreandmorepeoplehavetospendlengthyhoursbeforecomputers.Computersarealmostindispensabletomodernlife.Noonecanimaginetheresultsifthecomputerheusesdailywouldbreakdown.[26]Butcomputersalsocausesomeproblems.Amongthemisthepotentialharmtohumanbodies,especiallytoeyes.Workinglonghoursatacomputercancauseeyestrain.RecentlyalettertotheNewEnglandJournalofMedicineprovidesoneexplanationfortheproblem.Japaneseresearchersstudiedsome50officeworkerswhospentanaverageofthreehoursadayataterminal.[27]Sinceblinkingkeepseyesmoist-thusreducingstrain-theresearcherscountedblinkingratesunderdifferentconditions.Theworkersaveraged22blinksaminutewhenrelaxed,tenblinksaminutewhilereadingabookandjustsevenaminutewhilereadingtextonacomputerscreen.Thuspeoplekeeptheleastmoistureintheireyeswhentheyareworkingatacomputerandfeelmorestrained.Furthermore,thecomputerworkersalsokepttheireyesopenwider,whichmeantmoistureevaporatedmorequickly.[28]Ifyouworkatacomputerscreen,closeyoureyesperiodically.Thatspreadsatearfilmandrestsyoureyes.Andremembertoblinkmoreoften.Inthiswayyoucanreducethesideeffectcausedbyusingcomputertoagreaterextent.答案解析：26.Whatistheresultofusingcomputerinourdailylife?[A]解析：细节题。computer是人们日常生活、工作不可缺少的一部分，但短文同时指出，电脑也带来问题，其中一个就是可能给人的身体带来伤害。故A正确。BUT题，听到BUT就知道其后的内容需要格外重视。27.Whatisthecauseofeyestrain?[D]解析：推断题。短文提到：“...blinkingkeepseyesmoist-thusreducingstrain...”（眨眼使眼睛保持湿润，从而减少眼疲劳）；而短文还指出，使用电脑时人们的眨眼频率仅为每分钟7次，非常低，因此眼睛的湿润度很低，由此引起眼疲劳。故D正确。28.Whatarethosewhospendlonghoursbeforecomputerssupposedtodo?[C]解析：细节题。短文提到，如果你工作中面对电脑，应该经常性地闭眼休息。因此C正确。