2019高考英语一轮优练题 Unit 4 Global warming（含解析）新人教版选修6

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1、Globalwarming(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。Havingbeeamillionaire，somepeoplestillcontinuetobe1.concerned(concern)aboutmoneyandworkhardtogetallthemoney，2.whileothers，oneofwhomisCharlesGray，haveturnedtheirbacksontheirmoneyandtry3.to_be(be)ahappyperson.Altho

2、ughCharlesGrayisvery4.wealthy(wealth)，heisleadingasimplelife.Helivesinasmallroomwhich5.is_equipped(equip)withsecondhandfurniture.Infact，Charleswaspleased6.to_give(give)upthelifestyleofarichman.7.Tired(tire)ofbeingapersonwhohadeverythinginaworld，hegaveallhismoneyaway，whichbrought

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

4、hemhavebeesmaller.Somescientiststhoughtthismightbeanadaptationtoawarmerworld;smallerbodiesshouldbeabletoloseheatbetter.ButnowanewstudypublishedinSciencehasfoundthatforredknotbirds,that’snotthecase.EcologistJanvanGilsandhiscolleagueshavebeenstudyingthesebirdsfor33years.Overthecou

5、rseoftheirresearch,vanGilsandhisteamhavefoundthatinRussiawheretheredknotssummer,snowmeltandspringhavebeenadvancingbyhalfadayperyearonaverage.Overmorethanthirtyyears,theresearcherscaughtandmeasurednearly2,000birds.Inyearswhenthesnowmelthadarrivedparticularlyearly,thebirdswerelike

6、lytobesmallerandhaveshorterbills(鸟嘴).ThebirdsleavethecoastofWesternAfrica,wheretheywinter,andflynorthtowardRussiawithnoclueastowhattheweatherislikethere.Thebirdsaresupposedtoarriveinspring,sotheycanlaytheireggsandwhentheirchickshatchout,therewillbeawealthofarthropod(节肢动物)insects

7、tofeedtheiryoung.Buteventhoughtheredknotsareadvancingtheirarrivaldatebyaboutaquarterofadayperyear,itisnotenoughtokeepupwiththesnowmelt.Andinyearswhenthesnowmeltarrivesearly,thearthropodsreachthegreatestquantitybeforethebirdsneedthem.Therefore,chicksmissoutoneatingwellandtheygrow

8、uptobesmallerandhaveshorterbills.Beingsmalleran