Unit8ItmustbelongtoCarla.第四课时SectionB(2a～2e),一、根据句意及汉语提示填写单词。1．Hehasa________(圈)offriends，sohefeelshappy.2．His________(病)stopshimfromworking.3．What'syour________(目的)?4．Theyoungmanisfullof________(精力)．5．Chinahashadabig________(胜利)foranti－corruption(反腐倡廉)．circleillnesspurposeenergyvictory,二、选用方框中的词并用其适当形式填空。British,lead,enemy,medicine,expression1．TheGreatWallhasbeenbuiltforalongperiodoftime.Itwasusedtoprevent________.2．Heisawise________.Hecanhelpus.3．Stonehengeliesin________anditisafamousBritishhistoricalplace.4．Ithink________levelinthecityisbetterthanthatinthecountryside.5．Sometimes，bodylanguageincommunicationisawonderfulway__________ourselves.enemiesleaderBritainmedicaltoexpress,三、根据汉语提示完成句子，每空一词。1．上个世纪，手机是用来打电话的。Mobilephones______________________callingsomeoneinthelastcentury.2．我们不仅要学习现代科技，也要关注传统文化。Weshould__________learnthemoderntechnology________________payattentiontotraditionalculture.3．感谢你及时指出我的问题。Thankyoufor_________________myproblemsintime.4．同时，GPS可以帮助你找到位置。______________________________，GPScanhelpyoufindthe_________.5．那些石头以一定的方式排列在一起。Thestoneswereputtogether________________________________.wereusedfornotonlybutalsopointingoutAtthesametimepositioninacertainway,四、任务型阅读。(2019·哈尔滨)Dinosaurs(恐龙)oncelivedontheearthforalongtime.Theysuddenlydisappearedmillionsofyearsago.Whathappenedtothem？That'sstillamystery.Peopleneverstopsearchingfortheanswer.SomeUSscientistssayitisbecausetherewerenotenoughmale(雄性的)dinosaurs.Theygotthisideaafterresearchingcrocodiles(鳄鱼)．Mothercrocodileslayeggsandlaterbabycrocodilescomeout.Thelocaltemperaturedecidesthesex(性别)ofthebabycrocodile.Whentheeggsareatatemperatureof26℃to30℃，thebabiesareallgirls；whenthetemperatureis30℃to34℃，therearebothboysandgirls;whenitis34℃to36℃，onlyboysareborn.Dinosaurs'babiesalsocamefromeggs.Soscientistshavegivenusanewpicture:millionsofyearsago,itsuddenlybecameverycold.Almostalldinosaurbabiesweregirls.Therewerefewerandfewermaledinosaurs.Motherdinosaurscouldnotgivebirthtomorebabies.Finally,thesepowerfulanimalsdisappeared.,任务一：阅读短文，根据英文释义及首字母提示拼写单词。1．e________asmanyorasmuchasnecessary2．1________：toproduceeggsfromthebodiesofbirds,insectsandsoon任务二：阅读短文，完成同义句转换，每空一词。3．Dinosaurs'babiesalsocamefromeggs.Dinosaurs'babiescamefromeggs________________.任务三：根据短文内容回答问题。4．Whendiddinosaurssuddenlydisappear?__________________________________________________________________5．Whatdecidesthesexofthebabycrocodile?__________________________________________________6．Arethebabycrocodilesonlyboyswhenit's35℃？__________________________________________________noughayaswellMillionsofyearsago/TheysuddenlydisappearedmillionsofyearsagoThelocaltemperature.Yes，theyare.