2021-2022学年新教材高中英语 Unit 3 Conservation Part Ⅱ Lesson 1 The Sixth Extinction课时作业 北师大版选择性必修第一册.docx

1、Unit 3 Conservation课时作业(十四)Unit 3Part Lesson 1The Sixth Extinction.阅读理解AIntheshorttimeSteveandZachhadbeeninsidetheirtentpackingtheirtools, windblownflamehadskippedfromthetopofonetreetoanother.Thelongdrysummerhadturnedtheforestintoatinderbox.“Letsgo! Wecanmakeitbacktotheriverwecrossedtoday！”Stevekept

2、Bradyontheleadandtheirheadsdownagainstthefirewind.ButBradybarkedasharpwarning.Aheadofthemlayathickcurtainofsmokeacrossthetrack.Theywouldnevermakeitthroughthat.Thedogwaspullingathisleadtryingtodrawthemawayfromthesmoke, andyetStevewasuneasy.Itseemedtohimthattheyweremovingawayfromtheriver.Suddenly, Zac

3、hcried.“Zach！”Steveshouted.“AreyouOK? Whereareyou？”ThenBradypulledStevedownasharpslope (斜坡).Atitsbase, Zachwasrubbinghisankle.AsStevehelpedhisfriendtohisfeet, Bradyliftedhisheadandsnuffed (嗅) thesmokeladenwind.Nextmoment, thedogboundedawayanddisappeared.Theboysshoutedforhim, buthedidntcomeback.Steve

4、couldntblameBradyforpanicking.Hehimselfwantedtoruneventhoughhedidnthaveacluewhichwayto.SteveandZachhadntgonefarwhentherewasafamiliarbark, andBradycamebounding, stoppeddirectlyinfrontofSteveandhithimwithhishead, pushinghimbacktowardtheslopetheydjustclimbed.ButStevedidntgetit.ThenBradygrabbedtheboysje

5、ansandstartedpulling.Themessagewasclear, butStevehesitated.OfcourseherememberedBradysavinghisuncleslifewhenthedogwasmuchyounger.Washestillsharpenoughtogetthemthroughthis?Nearby, apinewentupinawhooshofsmoke.Bradypulledagain, urgently.“OK, thebigguy，”Stevegrittedhisteeth (咬紧牙关).Bradyledthembackdownthe

6、slopeandintothetrees.Notfarfromthemfirewastouchingunderbrush.Severaltimesthebigdogstopped.Oftenhechangeddirections.Stevewassotiredthathejustwantedtorest, butBradywouldnthaveit.Thedogbulliedbothboysintogoingon.Stevehadnoideahowlongtheydwalked.Hewasalmostnumbwhenhehearditthewonderfulsoundofrushingwate

7、r!1WhathappenedtoSteveandZachatfirst?ATheygotinjured.BTheylosttheirdog.CTheyweretrapped.DTheybecameseparated.2Bradyranawayto_.AseekhelpBfindawayoutCrescueZachDescape3HowdidStevefeelafterBradypulledhisjeans?AUneasy.BImpatient.CNumb.DUncertain.4Thepassagebasicallydescribes_.AanadventureBanexplorationC

8、anescapegameDatrainingprogramBAwarmdrinkofmilkbeforebedhaslongbeenthebestchoiceforthosewantingagoodnightssleep.Butnowastudyhasfounditreallydoeshelppeoplenodoffifitismilkedfromacowatnight.Researchershavediscoveredthat“nightmilk”containsmoremelatonin (褪黑激素), whichhasbeenproventohelppeoplefeelsleepyand

9、reduceanxiety.Thestudy, byresearchersfromSeoul, SouthKorea, involvedmicebeingfedwithdriedmilkpowdermadefromcowsmilkedbothduringthedayandatnight.Thosegivennightmilk, whichcontained10timestheamountofmelatonin, werelessactiveandlessanxiousthanthosefedwiththemilkcollectedduringdaytime, accordingtothestu

10、dypublishedinTheJournalofMedicinalFood.Nightmilkquickenedthestartofsleepandcausedthemicetosleeplonger.Whiletheeffectofcowsmilkharvestedatdifferenttimehasnotbeentestedonhumansuptonow, takingmelatonindrugshasbeensuggestedtothosewhoarestrugglingtofallasleepatnight.Previousstudieshavealsoindicatedthatmi

11、lkcanbeexcellentforhelpingsleepbecauseofthecalciumcontent, whichhelpspeopletorelax.Milkisalsosugarfreeandadditivefreewithnutritionistsrecommendingskimmedmilkasthebestchoicebeforebedasitistheleastfattening.Themorefatyoutakeinbeforebedtime, thegreaterburdenyouwillputonyourbodyatnight.5Accordingtothete

12、xt, themicefedwithdaytimemilk_.AstartedsleepmoreeasilyBweremoreanxiousCwerelessactiveDwokeuplater6Whichofthefollowingistrueofmelatoninaccordingtothetext?AItsbeentestedonmicefortentimes.BItcanmakepeoplemoreenergetic.CItexistsinmilkingreatamount.DItsusedinsleepingdrugs.7Whatcanbeasuitabletitleforthete

13、xt?ANightMilkandSleepBFat, SugarandHealthCAnExperimentonMiceDMilkDrinkingandHealth8Howdoestheauthorsupportthethemeofthetext?ABygivingexamples.BBystatingarguments.CByexplainingstatisticaldata.DByprovidingresearchresults.完形填空SavannahPhillipssatintoherwindowseatonaUnitedAirlinesflighttoIllinois.She_1_a

14、therseatmate.Hewasinhis60sandwasbusytexting.Thewordswere_2_largeandthescreenwasbright, makingiteasyforPhillipsto_3_whathewastappingout：“HeyBabe, Imsittingnexttoasmellyfatty.”“Itwaslikeconfirmationofthenegative_4_Ithinkaboutmyselfperday，”the33yearoldmotherwroteinaFacebookpostaftertheflight.Soontears_

15、5_downhercheeksasshehuggedthecabinwalltightly.Sittingarow_6_themwasChaseIrwin.HecouldseethemanstextsandPhillips.“I_7_herlookingathisphone.Iwassicktomystomach.Icouldnothavethisguysitnexttoherandherthinkinghes_8_her，”hetoldNashvillesNewsChannel5._9_，Irwinhadunfastenedhisseatbeltandwashovering (徘徊) ove

16、rthetexter.“Hey, Ineedtotalktoyou，”Irwintoldhim.“Weare_10_seats, now.”Whenthetexterasked_11_.Irwinsaid, “Youretextingabouther, andImnot_12_that.”Thetexter_13_quickly.IrwinsatbesidePhillipsandwassooncheeringuphisnewseatmate.“Heencouragedmenottoletthatguygettomeandthateverythingwasgoingtobe_14_，”Phill

17、ipswrote.Andhewasright.SheandIrwinspenttherestoftheflightchattinglikeoldfriends.Withher_15_inhumanityrestored, PhillipswroteonFacebook, “Theflightattendanttoldhimthathewasherhero.Hewasmine, too.”1A.staredBguessedCglancedDwondered2A.unusuallyBstronglyCpreciouslyDattractively3A.watchBmasterCreadDpredi

18、ct4A.effectsBthingsCcharactersDactions5A.streamedBjumpedCfollowedDwandered6A.outsideBbeyondCacrossDbehind7A.imaginedBpreventedCnoticedDleft8A.gettingholdofBtakingcontrolofCtakingadvantageofDmakingfunof9A.InstantlyBHesitantlyCCautiouslyDProudly10A.fixingBdesigningCswitchingDcleaning11A.howBwhyCwhenDw

19、hat12A.breakingupwithBputtingupwithCcomingupwithDkeepingupwith13A.reactedBrepliedCagreedDshook14A.beautifulBgoneCpossibleDfine15A.faithBvalueCgratitudeDachievement课时作业(十四).阅读理解A【语篇解读】文章属于记叙文，讲述Steve和Zach在森林宿营时遇到大火，他们的狗Brady竭尽全力救二人脱险的经历。1答案与解析：D细节理解题。根据第三段Suddenly, Zachcried.“Zach！”Steveshouted.“Arey

20、ouOK? Whereareyou？”ThenBradypulledStevedownasharpslope (斜坡).Atitsbase, Zachwasrubbinghisankle.可知二人分开了。2答案与解析：B推理判断题。根据最后两段内容可知Brady凭借自己的敏锐为Steve和Zach寻找到了去河边的安全通道。3答案与解析：D细节理解题。根据第五段中ButStevedidntgetit.ThenBradygrabbedtheboysjeansandstartedpulling.Themessagewasclear, butStevehesitated.可知Steve犹豫不决。4答案

21、与解析：A推理判断题。根据全文内容可知这是一个冒险经历。B【语篇解读】本文是一篇科普说明文。晚上睡前喝一杯热牛奶有助于睡眠是一个常识，那么睡前喝在夜间收集的牛奶对睡眠有哪些影响呢？让我们一起来看看研究者的新发现吧。5答案与解析：B推理判断题。根据第四段“Thosegivennightmilk.duringdaytime.”可知，喝了白天挤出来的牛奶的老鼠更活跃，也很少焦虑。6答案与解析：D推理判断题。根据第六段第一句“.takingmelatonin.atnight”可知，安眠类药品里含有褪黑激素。故选D。7答案与解析：A标题概括题。本文主要介绍了喝晚上挤出来的牛奶对睡眠的好处，因为晚上挤出来

22、的牛奶中含有更多的褪黑激素，所以喝晚上挤出来的牛奶有助于睡眠，还能减轻身体负担。故A项“晚上挤出来的牛奶和睡眠”最能概括文章主旨，适合作标题。故选A。8答案与解析：D写作手法题。本文先用睡前喝牛奶有助睡眠这一传统观点引出主题，即睡前喝晚上挤出来的牛奶不仅有助睡眠，还能减轻身体负担，然后引用了具体的研究结果来进一步论证主题，阐释观点。故选D。.完形填空【语篇解读】本文是一篇记叙文。文章主要讲述了SavannahPhillips在飞往Illinois的飞机上，无意间看到邻座发短信称她为臭胖子，这让她感到非常痛苦。Savannah后排的乘客Irwin看到了这一切，然后将座位换到了她的旁边来鼓励她的故

23、事。1答案与解析：C考查动词辨析。根据下文中的“Thewordswere_largeandthescreenwasbright”可知，Phillips瞥见了邻座手机上的信息。glance意为“瞥见”，符合语境。故选C。2答案与解析：A考查副词辨析。根据语境可知，男人手机的字体特别大。unusually意为“特别地，不寻常地”，符合语境。故选A。3答案与解析：C考查动词辨析。根据上文中的“Thewordswere_largeandthescreenwasbright”可知，男人手机上的字体很大且屏幕很亮，因此Phillips很容易看到邻座屏幕上的字。read意为“读取”，符合语境。故选C。4答案

24、与解析：B考查名词辨析。根据语境可知，男人的话就像Phillips每天对自己的消极看法的证据。thing意为“事情”，符合语境。故选B。5答案与解析：A考查动词辨析。根据上文中的“tears”及语境可知，泪水沿着她的面颊流了下来。stream意为“流”，符合语境。故选A。6答案与解析：D考查介词辨析。根据第三段第二句“HecouldseethemanstextsandPhillips.”可推知，Irwin坐在他们后排。behind意为“在后”，符合语境。故选D。7答案与解析：C考查动词辨析。根据第三段第二句“HecouldseethemanstextsandPhillips.”可知，Irwin

25、注意到Phillips在看那个男人的手机。notice意为“注意到”，符合语境。故选C。8答案与解析：D考查动词短语辨析。根据第一段最后一句中的“Imsittingnexttoasmellyfatty”可知，那个邻座男人在嘲笑Phillips。makefunof意为“嘲笑”，符合语境。故选D。9答案与解析：A考查副词辨析。根据下文中的“Irwinhadunfastenedhisseatbelt”及语境可知，Irwin立即采取了行动。instantly意为“迅速地”，符合语境。故选A。10答案与解析：C考查动词辨析。根据第五段第二句中的“IrwinsatbesidePhillips”可知，Irw

26、in与男子换了座位。switch意为“交换”，符合语境。故选C。11答案与解析：B考查连词辨析。根据下文中的“Irwinsaid，Youretextingabouther”可知，Irwin解释了他换座位的原因。由此可推知，对方在询问Irwin换座的原因。故选B。12答案与解析：B考查动词短语辨析。根据第三段最后一句中的“Icouldnothavethisguysitnexttoher”可知，Irwin无法容忍这个男人的行为。putupwih意为“忍受”，符合语境。故选B。13答案与解析：C考查动词辨析。根据下文中的“IrwinsatbesidePhillips”可知，那个男人同意了换座。agree意为“同意”，符合语境。故选C。14答案与解析：D考查形容词辨析。根据语境可知，Irwin在鼓励Phillips，一切都会好起来，fine意为“好的”，符合语境。故选D。15答案与解析：A考查名词辨析。根据最后一段最后一句“Hewasmine, too.”可知，Irwin的举动使Phillips对人性重拾了信心。faith意为“信心”，符合语境。故选A。