2024_2025学年新教材高中英语Unit3ConservationPartⅡLesson1TheSixthExtinction课时作业北师大版选择性必修第一册.docx
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Unit3Conservation
课时作业(十四)Unit3PartⅡLesson1TheSixthExtinction
Ⅰ.阅读理解
A
IntheshorttimeSteveandZachhadbeeninsidetheirtentpackingtheirtools,wind-blownflamehadskippedfromthetopofonetreetoanother.Thelongdrysummerhadturnedtheforestintoatinderbox.
“Letsgo!Wecanmakeitbacktotheriverwecrossedtoday!”StevekeptBradyontheleadandtheirheadsdownagainstthefire-wind.ButBradybarkedasharpwarning.Aheadofthemlayathickcurtainofsmokeacrossthetrack.Theywouldnevermakeitthroughthat.Thedogwaspullingathisleadtryingtodrawthemawayfromthesmoke,andyetStevewasuneasy.Itseemedtohimthattheyweremovingawayfromtheriver.
Suddenly,Zachcried.“Zach!”Steveshouted.“AreyouOK?Whereareyou?”ThenBradypulledStevedownasharpslope(斜坡).Atitsbase,Zachwasrubbinghisankle.
AsStevehelpedhisfriendtohisfeet,Bradyliftedhisheadandsnuffed(嗅)thesmoke-ladenwind.Nextmoment,thedogboundedawayanddisappeared.Theboysshoutedforhim,buthedidntcomeback.StevecouldntblameBradyforpanicking.Hehimselfwantedtoruneventhoughhedidnthaveacluewhichwayto.
SteveandZachhadntgonefarwhentherewasafamiliarbark,andBradycamebounding,stoppeddirectlyinfrontofSteveandhithimwithhishead,pushinghimbacktowardtheslopetheydjustclimbed.ButStevedidntgetit.ThenBradygrabbedtheboysjeansandstartedpulling.Themessagewasclear,butStevehesitated.OfcourseherememberedBradysavinghisuncleslifewhenthedogwasmuchyounger.Washestillsharpenoughtogetthemthroughthis?
Nearby,apinewentupinawhooshofsmoke.Bradypulledagain,urgently.“OK,thebigguy,”Stevegrittedhisteeth(咬紧牙关).Bradyledthembackdowntheslopeandintothetrees.Notfarfromthemfirewastouchingunderbrush.Severaltimesthebigdogstopped.Oftenhechangeddirections.Stevewassotiredthathejustwantedtorest,butBradywouldnthaveit.Thedogbulliedbothboysintogoingon.Stevehadnoideahowlongtheydwalked.Hewasalmostnumbwhenheheardit—thewonderfulsoundofrushingwater!
1.WhathappenedtoSteveandZachatfirst?
A.Theygotinjured.B.Theylosttheirdog.
C.Theyweretrapped.D.Theybecameseparated.
2.Bradyranawayto________.
A.seekhelpB.findawayout
C.res