2018届高三英语总复习第一部分回归教材unit5themeparks课时作业新人教版必修4

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1、Unit5ThemeparksI.阅读理解（2016・四川高考）Awarmdrinkofmilkbeforebedhaslongbeenthebestchoiceforthosewantingagoodnight1ssleep・Butnowastudyhasfounditreallydoeshelppeoplenodoff一ifitismilkedfromacowatnight.Researchershavediscoveredthat“nightmilk"containsmoremelatonin（褪黑激素），whichh

2、asbeenproventohelppeoplefeelsleepyandreduceanxiety.Thestudy,byresearchersfromSeoul,SouthKorea,involvedmicebeingfedwithdriedmilkpowdermadefromcowsmilkedbothduringthedayandatnight・Thosegivennightmilk,whichcontained10timestheamountofmelatonin,werelessactiveandlessanxi

3、ousthanthosefedwiththemilkcollectedduringdaytime,accordingtothestudypublishedinTheJournalofMedicinalFood.NightmiIkquickenedthestartofsieepandcausedthemicetosleeplonger.Whiletheeffectofcowsmilkharvestedatdifferenttimehasnotbeentestedonhumansuptonow,takingmelatonindr

4、ugshasbeensuggestedtothosewhoarestrugglingtofallasleepatnight.Previousstudieshavealsoindicatedthatmilkcanbeexcellentforhelpingsleepbecauseofthecalciumcontent,whichhelpspeopletorelax.Milkisalsosugar・freeandadditive・freewithnutritionistsrecommendingskimmedmilkasthebe

5、stchoicebeforebedasitistheleastfattening.Themorefatyoutakeinbeforebedtime,thegreaterburdenyouwi11putonyourbodyatnight.1.Accordingtothetext,themicefedwithdaytimemilk.A.startedsleepmoreeasilyB.weremoreanxiousC.werelessactiveD.wokeuplater2.Whichofthefollowingistrueofm

6、elatoninaccordingtothetext?A.sbeentestedonmicefortentimes.B.Itconmakepeoplemoreenergetic.C.Itexistsinmilkingreatamount.D.It'susedinsleepingdrugs.3.Whatcanbeasuitabletitleforthetext?A.NightMilkandSleepB

7、owdoestheauthorsupportthethemeofthetext?A.Bygivingexamples.B.Bystatingarguments・C.Byexplainingstatisticaldata・D.Byprovidingresearchresults.答案与解析本文是一篇科普说明文。晩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彫响呢？让我们一起来看看研究者的新发现吧。1.B推理判断题。根据笫四段可推知，喝了白天挤出来的牛奶的老鼠更活跃、更焦虑。故选B。2.D推理判

8、断题。根据关键句"takingmelatonin...atnight.”可推知,安眠类药品里含有褪黑激素。故选D。3.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“晚上挤出來