- 閱讀理解A
題干：Weallknowthatthenormalhumandailycycleofactivityisofsome7-8hours’sleepalternationwithsome16-17hours’wakefulnessandthat,broadlyspeaking,thesleepnormallycoincideswiththehoursofdarkness.Ourpresentconcerniswithhoweasilyandtowhatextentthiscyclecanbemodified.Thequestionisnomereanacademicone.Theease,forexample,withwhichpeoplecanchangefromworkinginthedaytoworkingatnight,isaquestionofgrowingimportanceinindustrywhereautomationcallsforround-the-clockworkingofmachines.Itnormallytakesfromfivedaystooneweekforapersontoadapttoareversedroutineofsleepandwakefulness,sleepingduringthedayandworkingatnight.Unfortunately,itisoftenthecaseinindustrythatshiftsarechangedeveryweek;apersonmayworkfrom12midnightto8a.m.oneweek,8a.m.to4p.m.thenext,and4p.m.to12midnightthethird,andsoon.Thismeansthatnosoonerhashegotusedtooneroutinethanhehastochangetoanother,sothatmuchofhistimeisspentneitherworkingnorsleepingveryefficiently.Theonlyrealsolutionappearstobetohandoverthenightshifttoanumberofpermanentnightworkers.AninterestingstudyofthedomesticlifeandhealthofnightshiftworkerswascarriedoutbyBrownin1957.Shefoundahighincidence（發(fā)生率）ofdisturbedsleepandotherdisordersamongthoseonalternatingdayandnightshifts,butnoabnormaloccurrenceofthesephenomenaamongthoseonpermanentnightwork.Thislattersystemthenappearstobethebestlong-termpolicy,butmeanwhilesomethingmaybedonetorelievethestrainsofalternatedayandnightworkbyselectingthosepeoplewhocanadaptmostquicklytothechangesofroutine.Onewayofknowingwhenapersonhasadaptedisbymeasuringhisbodytemperature.Peopleengagedinnormaldaytimeworkwillhaveahightemperatureduringthehoursofwakefulnessandalowoneatnight;whentheychangetonightwork,thepatternwillonlygraduallygobacktomatchthenewroutineandthespeedwithwhichitdoessoparallels,broadlyspeaking,theadaptationofthebodyasawhole,particularlyintermsofperformance.Therefore,bytakingbodytemperatureatintervalsoftwohoursthroughouttheperiodofwakefulnessitcanbeseenhowquicklyapersoncanadapttoareversedroutine,andthiscouldbeusedasabasisforselection.Sofar,however,suchaformofselectiondoesnotseemtohavebeenappliedinpractice.
題目：The main problem of the round-the-clock working system lies in（）. - A 、the inconveniences brought about to the workers by the introduction of automation
- B 、the disturbance of the daily life cycle of workers who have to change shifts too frequently
- C 、the fact that people working at night are often less effective
- D 、the fact that it is difficult to find a number of good night workers
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參考答案【正確答案：B】
本題要求考生住第2段的中心大意，正確回答24小時輪班工作的主要問題在哪里。第2段最后一句說，工人“剛剛習慣了某一班次的時間安排，卻又要倒班了。這樣，他在大部分時間里工作和睡眠效率都不高?！彼躁P鍵在于工人的日常生活周期規(guī)律被打亂了。選項B是答案，而選項A文章沒有提及。選項C不符合文章的原意，文章是說工人在適應新的工作班次之前效率不高，并不只是夜間工作效率不高。文章沒有提到D項內容。
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- A 、Maturity Results from Flexibility
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- C 、Immaturity Level are Rising
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- 2 【閱讀理解A】 Which of the following would not be the advice given by the organization described in the last paragraph to corporations?（）
- A 、Long-term inflation
- B 、How to develop new markets
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- 3 【閱讀理解A】 Which of the following is mentioned in the passage?（）
- A 、strict law against computer crimes must be enforced
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- A 、mainly because the levels of carbon dioxide are rising
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- 5 【閱讀理解A】 The example of Julia Roberts is used to show that（）.
- A 、anything can happen on the wedding day
- B 、each engagement gives insurers a chance to profit
- C 、suddenness like that is easy to happen during the wedding
- D 、most wedding insurers will cover things like that
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- A 、critical
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- C 、approved
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- 7 【閱讀理解A】 The main purpose of Paragraph 3 is to（）.
- A 、examine how one of Aesop's fables sheds light on certain facets of Greek belie
- B 、dissect one of Aesop' s fables in order to study the elements that make up Greek mythology
- C 、learn from the lesson Presented in one of Aesop's most well-known fables
- D 、illustrate a fable typical of Aesop's style, so as to examine how one goes the meaning behind it
- 8 【閱讀理解A】 The author names the Roman, Aztec and European cultures in order to（）.
- A 、identify other cultures in which fables were the primary method by which to pass on traditions and values
- B 、explicitly name the various types of characters in those culture' s fables
- C 、stress that mythology was used by cultures other than the Greeks to convey societal morals
- D 、establish them, in addition to the Greeks, as the societies most notable for their mythology
- 9 【閱讀理解A】 The main point of this text is（）.
- A 、 Aesop' s fables provide a valuable glimpse into early Greek thought and belief
- B 、the most efficient and reliable way to study the values system of an ancient through study of its mythology
- C 、without a thorough examination of a society on that society would be only partial cultural study on that society would be only partial
- D 、through the study of a culture’s mythological tradition, one can discern some of the underlying beliefs that shaped those stories
- 10 【閱讀理解B】The efforts were not so successful with
- A 、poor countries
- B 、all the world
- C 、the Climate Adaptation Fund
- D 、the Global Fund to Fight AIDS, TB and Malaria
- E 、Bangladesh
- 、Malawi
- 、the U. S. and Europe
熱門試題換一換
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- 某同學5次上學途中所花的時間（單位：分鐘）分別為x，y，10，11，9.已知這組數據的平均值為10，方差為2，則|x-y|=（）
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- （5）
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