高中英语canada_“thetruenorth”sectionⅳgrammar_同位语从句课时作业新人教版

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1、Unit5　Canada—“TheTrueNorth”SectionⅣ　Grammar—同位语从句Ⅰ.单句语法填空1．HegotthenewsfromMarythatthemeetinghadbeencalledoff.2．IhavenoideawhyTomgotsomuchmoneyovernight.3．Mybestfriendaskedmethequestionwhetherthatnovelwasworthreading.4．Ihavenoideawherethejournalistcouldhavegothisinfo

2、rmationfrom.5．AwarmthoughtsuddenlycametomethatImightusethepocketmoneytobuysomeflowersformymother'sbirthday.6．Thefactthatourcitycanbecomebetterineveryfieldisclear.7．Doyoustillrememberyourpromisethatyouwillbuymeabikeonmybirthday?8．Theprofessorshowedevidencethathispaper

3、wasbasedonoriginalresearch.9．Themanagerdidn'tanswerthequestionwhowouldtakehisplace.10．Thefacthasworriedmanyscientiststhattheearthisbecomingwarmerandwarmertheseyears.Ⅱ.阅读理解Itmightbeeasytoimaginethatthemorecrowdedabirdflock(群)becomes,theslowerthebirdsfly.Butithasbeenpr

4、oventhatthebiggerabirdflockbecomes,thefasterthebirdswillfly.ThediscoverywasmadebyscientistsfromSweden'sLundUniversity.Theytookalookattheflyingspeedofbirdsinanefforttofindwhatinfluencedhowfasttheywouldfly.Mostofthefindingsdidn'tsurprisetheresearchers.Abird'sweightandi

5、tswingshape,windspeedanddirection,andthepurposeoftheflightallindeedinfluenceditsflyingspeed.Butthescientistsfoundthatthesizeoftheflockhadastrongeffectontheflyingspeed,whichhadnotbeenexpected.ThescientistAndersHedenströmexpressedsurpriseatthediscoveryasithasusuallybee

6、nignoredinstudiesonbirds.AndersHedenströmandhispartnerSusanneAkessoncollectedtheirdataonSweden'sÖlandIsland.Theretheystudiedbirds'physicalcharacteristics(特征),countedflockpopulations,andrecordedtheirspeedsduringflying.Toknowthebirds'speedwhileflying,theyusedatoolthatc

7、analsogaugeimportantcharacteristicsofwind,includingspeedanddirection.Theywereabletomeasurethespeedofdifferentkindsoflargeflocks.Theresearchers'resultsshowedthatbiggerflocksflyfasternomatterwhatkindofbirdspeciestheybelongto.Whythat'sthecaseisthenextquestiontheyhopetoa

8、nswer.Theresearchersalsosaidthatlargeflocksaremadeupoflargersizedbirds,whichmoveatfasterspeedsthansmallerbirds.Inalargeflock,itisea