- 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:(4) - A 、regular
- B 、formal
- C 、continual
- D 、circular

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【正确答案:A】
文意:生物钟是与白昼和黑夜的循环相适应的,当在一个新的时区里生物钟在所谓错误时间经历白昼或黑夜时,就会失衡。从常识可知,昼夜更迭是有规律的,这种规律性循环往复,因此a regular rhythm of daylight and darkness(白昼与黑夜有规律地循环)是通顺的。选项A. regular是答案。

- 1 【完形填空】(3)
- A 、digits
- B 、numbers
- C 、amounts
- D 、amounts
- 2 【完形填空】(5)
- A 、with
- B 、in
- C 、from
- D 、by
- 3 【完形填空】(6)
- A 、progress
- B 、absence
- C 、presence
- D 、favor
- 4 【完形填空】(8)
- A 、over
- B 、for
- C 、among
- D 、to
- 5 【完形填空】(9)
- A 、stay up
- B 、crop up
- C 、fill up
- D 、cover up
- 6 【完形填空】(4)
- A 、real
- B 、authentic
- C 、true
- D 、sheer
- 7 【完形填空】(9)
- A 、with
- B 、on
- C 、in
- D 、from
- 8 【阅读理解B】(2)
- A 、Use commute time
- B 、Make conversations about your artwork a priority
- C 、Read before you fall asleep
- D 、Carry a notepad and pen about
- E 、Take notes whenever ideas come
- 、Talk about yourself as much as possible
- 、Don't underestimate thinking time
- 9 【阅读理解B】(3)
- A 、Use commute time
- B 、Make conversations about your artwork a priority
- C 、Read before you fall asleep
- D 、Carry a notepad and pen about
- E 、Take notes whenever ideas come
- 、Talk about yourself as much as possible
- 、Don't underestimate thinking time
- 10 【阅读理解B】(4)
- A 、Use commute time
- B 、Make conversations about your artwork a priority
- C 、Read before you fall asleep
- D 、Carry a notepad and pen about
- E 、Take notes whenever ideas come
- 、Talk about yourself as much as possible
- 、Don't underestimate thinking time
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- Theefforts were not so successful with
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- From the fifth paragraph, we can learn that().

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