课时跟踪检测(十五)Ⅰ.完成下列附加疑问句1．It'safineday.Let'sgofishing，shallwe？2．Frankisworkinglateagain.Thisisthefirsttimethisweekhe'shadtostudylate，isn'tit？3．—Daddy'sforgottentoposttheletteragain，hasn'the？—I'mafraidhehas.4．—Sorry，I'mnotfeelingwellandIdon'tthinkIcanfinish.—Don'tworry.Letusdoitforyou，willyou？5．Idon'tthinkhecouldhavedonesuchastupidthinglastnight，didhe？6．—Thegroundiswet.—Itmusthaverainedlastnight，didn'tit？7．—Jennydoesn'tthinkthatRobertishonest，doesshe？—I'mafraidnot.8．—Thenewwindowsneedwashing.—Well，let'swashthemtogether，shallwe？9．Thereislittlewecandoaboutit，isthere？10．—Theproblemwasn'tdifficultforhim，wasit？—No，itwasn't.Heshouldhavebeengivenamoredifficultone.Ⅱ.完成句子1．I'mastallasyoursister，aren'tI?Yes，youare.(是的，你和她一样高。)2．Tommadenoanswer，didhe?No，hedidn't.(是的，他没回答。)3．Heoughttoknowwhattodo，oughtn'the?Yes，heoughtto.(是的，他应该知道。)4．Everythingisready，isn'tit?No，itisn't.(不，还没准备好。)5．The29thOlympicGameswereheldinBeijing，weren'tthey?Yes，theywere.(是的，是在北京。)6．MichaelJordanstartedtoplaybasketballincollege，didn'the?No，hedidn't.(不，他不是。)Hefirstplayedinateaminseniorhighschool.7．Davidhasbeentoaboxingmatch，hasn'the?No，hehasn't.(不，他没去过。)HealwayswatchesboxingonTV.8．Youcan'tcook，canyou?Yes，Ican.(不，我会。)I'mgoodatcooking.Ⅰ.阅读理解Ifyourfriendsarehappy,itturnsoutyou'remorelikelytobehappytoo.Ifyourfriendsareoverweight,thattooupsthechancesyou'llgainweight.Thoseeffectshavebeenshowninstudies.Andnowresearchershaveidentifiedanotherseeminglycontagiousquality:exercise.Theresearchersanalyzedtherunningactivityofmorethanamillionpeopleworldwidewhousedanexercisetrackingdevice(装置)forfiveyears.Andtheyusedweatherpatternsasawaytorandomlyexaminedifferentpartsofthatglobalnetwork.“Citieshavedifferentweatherpatterns，”SinanAral,acomputationalsocialscientistatMITsays.Thisexperimentallowedthemtoask:DoesarainydayinNewYorkaffectrunninginSanDiego?IftheweatherinNewYorkcauseschangesintherunningbehaviorinSanDiego,itcanreallyonlybehappeningthroughtheinfluencesofthefriendswholivebetweenNewYorkandSanDiego.Andthatisexactlywhatheandhiscolleaguesaw:thatthebehaviorofonecity'srunnerscouldindeedaffectthebehaviorofrunnersinanothersociallyconnectedcity.Womentendedtobeinfluencedmorebythefemalerunnersintheirnetworks.Andlessactiverunnerstendedtoinfluencemoreactiverunnerstorunmore,butnotsomuchtheotherwayaround.Still,thiscouldbevaluableforhealthprofessionals.“Wehavetostartthinkingofconsumersandcitizensasnetworkedconsumersandcitizens.Wheretheyareinfluencedbyandinfluencetheirsocialnetworkinverystrongways,thatwillchangethewayaparticularintervention(干涉)succeedsorfails.”Inotherwords,ifyourprescriptionismoreexercise,thedoctorsmightwanttowriteaprescriptionforyourfriendsandfamily,too.[语篇导读]本文主要介绍了锻炼也会传染。1．Whatdoestheunderlinedword“contagious”inParagraph1mean?A．Infectious.B．Excellent.C．Beneficial.D．Different.A[词义猜测题。根据画线词前的“Ifyourfriendsarehappy...you'llgainweight.”可知，这些具有传染的特征。故画线词的词义是“具有传染性的”。]2．Whatcanweconcludefromtheexperiment?A．Weatherchangespeople'sfeelings.B．People'sbehavioraffectseachother.C．Exercisehassomethingtodowithweather.D．People'sconnectiondependsondistance.B[推理判断题。根据第四段中的“thatthebehaviorofonec...
