【威学教育】王鑫托福阅读TPO18-2阅读文本

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1、【王鑫托福阅读】托福TPO18-2阅读文本TPO18TP018-2Themysteryofyawning1.Whichofthesentencesbelowbestexpressestheessentialinformationinthehighlightedsenteneeinthepassage?Incorrectchoiceschangethemeaninginimportantwaysor1eaveoutessentialinformation•A.Ttistheconventionaltheorythatwhenpeopleareboredorsieepy,th

2、eyoftenexperienceadropinbloodoxygenlevelsduetotheirshallowbreathing・B.Theconventiormltheoryisthatpeopleyawnwhenboredorsleepybecauseyawningraisesbloodoxygenlevels,whichinturnraisesalertness-C・Accordingtoconventionaltheory,yawningismorelikelytooccurwhenpeopleareboredorsleepythanwhentheyarea

3、lertandbreathingdeeply・D.Yawning,accordingtotheconventionaltheory,iscausedbyboredomorlackofsleepandcanbeavoidedthroughdeeperbreathing.2.Inparagraghl,whatpointdoestheauthormakeabouttheevideneeforthetirednesstheoryofyawning?A.Thereisnoscientificevidencelinkingyawningwithtiredness.B.Theevide

4、nceiswide-rangingbecauseitcoversmultipleage-groups.C.Theevidenceisreliablebecauseitwascollectedoveralongperiodoftinic.D.Theevidenceisquestionablebecausetheyawningpatternsofchildrenandadultsshouldbedifferent.Accordingtoconventionaltheory,yawningtakesplacewhenpeopleareboredorsleepyandserves

5、thefunctionofincreasingalertncssbyrevcrsing,throughdeeperbreathing,thedropinbloodoxygenlevelsthatarecausedbytheshallowbreathingthataccompanieslackofsleeporboredom.Unfortunately,thefewscientificinvestigationsofyawninghavefailedtofindanycormectionbetweenhowoftensomeoneyawnsandhowmuchsleepth

6、eyhavehadorhowtiredtheyare・Abouttheclosestanyresearchhascometosupportingthetirednesstheoryistoconfirmthatadultsyawnmoreoftenonweekdaysthanatweekends,andthatschoolchi1drenyawnmorefrequentlyintheirfirstyearatprimaryschoolthantheydoinkindergarten.3・Theword"flaw”inthepassageisclosestinnieanin

7、gtoA.faultB.aspectC.confusionD・mystery4.Intheparagraph2,whydoestheauthornotethattherewerephysiologicalchangeswhensubjectsopenedtheirmouthsorbreatheddeeply?A.TopresentanargumentinsupportofthetirednesstheoryB.Tocastdoubtonthereliabilityoftheteststhatmeasuredheartrate,