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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

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