- 完形填空
題干：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.
題目：（9） - A 、broad
- B 、inclusive
- C 、tentative
- D 、extensive
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參考答案【正確答案：D】
根據(jù)文意：它(新的抗時(shí)差反應(yīng)辦法)是在廣泛的、具有開(kāi)拓性的科研基礎(chǔ)上研究出來(lái)的，其效果已得到證實(shí)。 4個(gè)選項(xiàng)中，D. extensive的意思是“廣泛的”，extensive scientific research符合英語(yǔ)的搭配習(xí)慣，用在句中也與句子意思相合，因此是正確答案。其余三項(xiàng)： A. broad廣闊的，寬的，遼闊的；B. inclusive；包括的，包含的；C. tentative試驗(yàn)性的，暫定的，暫時(shí)的；均不合文意。
您可能感興趣的試題- 1 【完形填空】（1）
- A 、criticized
- B 、appointed
- C 、 commented
- D 、designated
- 2 【完形填空】（4）
- A 、moderate
- B 、normal
- C 、unusual
- D 、extreme
- 3 【完形填空】（7）
- A 、reality
- B 、phenomenon
- C 、 concept
- D 、notice
- 4 【完形填空】（1）
- A 、high
- B 、highly
- C 、sharply
- D 、hardly
- 5 【完形填空】（3）
- A 、multiplies
- B 、totals
- C 、adds
- D 、amounts
- 6 【完形填空】（6）
- A 、soaring
- B 、favorable
- C 、discount
- D 、premium
- 7 【閱讀理解B】（5）
- 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
- 8 【完形填空】（5）
- A 、retains
- B 、encounters
- C 、possesses
- D 、experiences
- 9 【完形填空】（6）
- A 、diseases
- B 、symptoms
- C 、signs
- D 、defects
- 10 【完形填空】（8）
- A 、adaptable
- B 、approachable
- C 、available
- D 、agreeable
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