2019高考英语一轮优练题unit4globalwarming含解析新人教版选修6

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1、Globalwarming李仕才(选修6　Unit4)【短文语法填空】根据短文内容，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。Havingbecomeamillionaire，somepeoplestillcontinuetobe1.concerned(concern)aboutmoneyandworkhardtogetallthemoney，2.whileothers，oneofwhomisCharlesGray，haveturnedtheirbacksontheirmoneyandtry3.to_be(be)ahappyperso

2、n.AlthoughCharlesGrayisvery4.wealthy(wealth)，heisleadingasimplelife.Helivesinasmallroomwhich5.is_equipped(equip)withsecondhandfurniture.Infact，Charleswaspleased6.to_give(give)upthelifestyleofarichman.7.Tired(tire)ofbeingapersonwhohadeverythinginaworld，hegaveallhismoneyaway，whic

3、hbroughthimalotofhappiness.Havingdiscoveredthatmostofthepeople8.whowantedtoearnmuchmoneynevermade9.it，Charlesdecidedtodropout.Inhisopinion，havingonlyalittlemoneymakesapersonmuch10.happier(happy)．Ⅰ.阅读理解Theworldisgettingwarmer.Animalshavebeguntochangeinresponsetothenewcondition.A

4、ndsomeofthemhavebecomesmaller.Somescientiststhoughtthismightbeanadaptationtoawarmerworld;smallerbodiesshouldbeabletoloseheatbetter.ButnowanewstudypublishedinSciencehasfoundthatforredknotbirds,that’snotthecase.EcologistJanvanGilsandhiscolleagueshavebeenstudyingthesebirdsfor33yea

5、rs.Overthecourseoftheirresearch,vanGilsandhisteamhavefoundthatinRussiawheretheredknotssummer,snowmeltandspringhavebeenadvancingbyhalfadayperyearonaverage.Overmorethanthirtyyears,theresearcherscaughtandmeasurednearly2,000birds.Inyearswhenthesnowmelthadarrivedparticularlyearly,th

6、ebirdswerelikelytobesmallerandhaveshorterbills(鸟嘴).ThebirdsleavethecoastofWesternAfrica,wheretheywinter,andflynorthtowardRussiawithnoclueastowhattheweatherislikethere.Thebirdsaresupposedtoarriveinspring,sotheycanlaytheireggsandwhentheirchickshatchout,therewillbeawealthofarthrop

7、od(节肢动物)insectstofeedtheiryoung.Buteventhoughtheredknotsareadvancingtheirarrivaldatebyaboutaquarterofadayperyear,itisnotenoughtokeepupwiththesnowmelt.Andinyearswhenthesnowmeltarrivesearly,thearthropodsreachthegreatestquantitybeforethebirdsneedthem.Therefore,chicksmissoutoneatin

8、gwellandtheygrowuptobesmallerandhaveshorterbills.Being