- 完形填空
题干:Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbusinesstravelerslessproductiveandmoreprone(1)makingmistakes.Itisactuallycausedby(2)ofyour"bodyclock"—asmallclusterofbraincellsthatcontrolsthetimingofbiological(3).Thebodyclockisdesignedfora(4)rhythmofdaylightanddarkness,sothatitisthrownoutofbalancewhenit(5)daylightanddarknessatthe"wrong"timesinanewtimezone.The(6)ofjetlagoftenpersistfordays(7)theinternalbodyclockslowlyadjuststothenewtimezone.Nowanewanti-jetlagsystemis(8)thatisbasedonproven(9)pioneeringscientificresearch.Dr.MartinMooreEdehas(10)apracticalstrategytoadjustthebodyclockmuchsoonertothenewtimezone(11)controlledexposuretobrightlight.Thetimezoneshiftiseasytoaccomplishandeliminates(12)ofthediscomfortofjetlag.Asuccessfultimezoneshiftdependsonknowingtheexacttimestoeither(13)oravoidbrightlight.Exposuretolightatthewrongtimecanactuallymakejetlagworse.Theproperschedule(14)lightexposuredependsagreatdealon(15)travelplans.Dataonaspecificflightitineraryandtheindividual'ssleep(16)areusedtoproduceaTripGuidewith(17)onexactlywhentobeexposedtobrightlight.WhentheTripGuidecalls(18)brightlight,youshouldspendtimeoutdoorsifpossible.Ifitisdarkoutside,ortheweatherisbad,(19)youareonanaeroplane,youcanuseaspeciallightdevicetoprovidethenecessarylight(20)forarangeofactivitiessuchasreading,watchingTVorworking.
题目:(17) - A 、directories
- B 、specifications
- C 、instructions
- D 、commentaries

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【正确答案:C】
C. instruction说明,指导,指示,如:an instruction book说明书,故符合文意,正确。其余三项:A. directory姓名住址簿,如:find the address of sb. in the directory;用于计算机指目录。B. specifications明细表,规格(说明书),规范;D. commentaries注释、评论、解说词。

- 1 【完形填空】(17)
- A 、function
- B 、refineness
- C 、elegance
- D 、perfection
- 2 【完形填空】(17)
- A 、no
- B 、all
- C 、every
- D 、some
- 3 【完形填空】(17)
- A 、beyond
- B 、over
- C 、against
- D 、further
- 4 【完形填空】(17)
- A 、prevalent
- B 、principal
- C 、innovative
- D 、initial
- 5 【完形填空】(17)
- A 、identify
- B 、locate
- C 、revea
- D 、discover
- 6 【完形填空】(17)
- A 、labels
- B 、cycles
- C 、vehicles
- D 、devices
- 7 【完形填空】(17)
- A 、parties
- B 、acts
- C 、schedules
- D 、programs
- 8 【完形填空】 (17)
- A 、in
- B 、on
- C 、for
- D 、of
- 9 【完形填空】(17)
- A 、majority
- B 、mass
- C 、minority
- D 、multitude
- 10 【完形填空】(17)
- A 、Since
- B 、While
- C 、As
- D 、After
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