北师大高中英语选修八22.2Lesson2EndangeredSpecies(21ppt)

1高中英语课件madeofcanruohanxing2Lesson2EndangeredSpecies3YUXIDAOYIN预习导引HEXINGUINA核心归纳一二三一、释义搭配1.behalfa.acurvedpieceofmetalforhanging2.seizeb.themainareaoflandofacountry3.hookc.totakeillegalorstolengoodsawayfromsb.4.mainlandd.ananimalwithahardroundshell5.tortoisee.astherepresentativeofsb.orinsteadofsb.答案:1.e2.c3.a4.b5.d4YUXIDAOYIN预习导引HEXINGUINA核心归纳一二三二、短语互译1.allinall2.除……以外3.forgood4.代表……5.answerfor6.掠去,夺走7.wrapup8.要求结束……9.orelse答案:1.总的来说2.apartfrom3.永远4.onsb.’sbehalf5.(对已产生的不良后果)负责任6.carryoff7.结束8.callforanendtosth.9.否则,不然5YUXIDAOYIN预习导引HEXINGUINA核心归纳一二三三、长江中华白海豚急速减少,濒临灭绝。阅读下面的短文,并用所给单词或短语的适当形式填入空白处ProtectendangerspeciesanswerforhookTheYangtzeDolphinisanendangered1..Itissometimescalled“thepandaoftheYangtzeRiver”becauseitissorare.Itsnumbersaredecreasingduetopollutionintheriverandthefactthattheyareoftencaughtbyfishermen’s2.andtrappedintheirnets.Huntinginthepastalsoreducednumbers.Huntersingeneralhavealotto3.intermsof4.animals.EducationprogrammesontheYangtzeDolphinhavebeensetupbutmuchmoreneedstobedoneto5.theseanimals.答案:1.species2.hooks3.answerfor4.endangered5.protect6XUXIDAOYIN预习导引HEXINGUINA核心归纳12345671.answerfor(对已产生的不良后果)负责任Youwillhavetoanswerforyourbehaviouroneday.总有一天你要为你的行为承担责任。Whowillanswerforthechildren’sspendingsomuchtimeontheInternet?谁应该为孩子们花大量时间上网负责任?7XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567阅读下面句子归纳answerfor的其他含义Hewillanswerforhismischief.他将为他的恶作剧受到惩罚。Iwillanswerforitthathewillaccomplishthetask.我愿意担保他能完成这项任务。归纳:answerfor还可以表示“因……而受罚”,“answerforitthat...”意为“保证……”,其中it是形式宾语,真正的宾语是that引导的从句。活学活用语法填空(1)Ifyougoondoingthis,wewon’tanswertheconsequence.(2)Icannotanswerforthathewillcome.答案:(1)for(2)it8XUXIDAOYIN预习导引HEXINGUINA核心归纳12345672.seizevt.依法没收;(用武力)夺取Theyseizedthedrugsandarrestedthepeopleontheboats.他们没收了毒品并逮捕了船上的人。Thearmyhasseizedpower.军队夺取了政权。9XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567(1)阅读下面句子归纳seize的其他含义Don’thesitate;seizethefirstopportunitythatcomesalong!不要犹豫,一有机会就抓住它Theelephantseizedanearbybranchandputitintohermouth.大象抓住附近的一根树枝并把它放进嘴里。归纳:seize还可以表示“抓住”。(2)辨析:take,grasp,snatch和seize这些动词均有“抓住,握紧”之意。①take是最普通用词,不带感情色彩。指用手抓取某东西或控制某物。②grasp指紧紧抓住、抓牢。③snatch指突然抢走,侧重动作快或具有暴力性质。④seize指突然抓住某物,强调突然的猛烈动作。10XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567活学活用语法填空Suddenly,atallmandrivingagoldencarriage(seize)thegirlandtookheraway,(disappear)intothewoods.答案:seized;disappearing11XUXIDAOYIN预习导引HEXINGUINA核心归纳12345673.callforanendtosth.要求结束……Theyhavecalledforanendtoviolence.他们呼吁停止暴力。Manypeopleinthatcountryarecallingforanendtothewar.那个国家的很多人要求结束战争。12XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567阅读下列句子归纳与call相关的短语的用法He’snotin.Pleasecallbacklater.他不在家。请过一会儿再打来。Theworkcallsfortimeandpatience.这份工作需要时间和耐心。Hephonedmeandcalledtheappointmentoff.他给我打电话取消了这次约会。I’mplanningtocallonanoldfriendtonight.我打算今晚去拜访一位老朋友。Yourlettercallsupthedayswhenweworkedtogether.你的来信使我想起了我们在一起工作的日子。SheaskedhimtocallatBrown’sHoteltoseeherdaughter.她要他去布朗旅馆见她的女儿。13XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567归纳:callback表示“回电话”;callfor表示“需要,要求”;calloff表示“取消”;callon表示“拜访(某人)”;callup表示“使回忆起”callat表示“拜访(某地)”14XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567活学活用语法填空(1)Attheconcertthesingerswillcalleveryonetoprotecttheenvironment.(2)IgotintothehabitofcallingonGloriaonmywayhome.(3)Thisistheworkthatcallscarefulness.(4)HumanRightsgroupsarecallingthereleaseofpoliticalprisoners.(5)Hehadtocallthemeetingbecauseofthebadweather.(6)I’llcallhimtomorrow.Doyouwanttovisithimwithme?(7)Thecompanyhascalledallsuchmodelsaswerebuiltin1990.(8)Thegovernmentthencalledtroopstodealwiththedisturbances.(9)Theoldphotocallsmemoriesofmychildhood.(10)Asamatteroffact,manypeoplearecallinganendtotheargument.答案:(1)on(2)in(3)for(4)for(5)off(6)on(7)back(8)in(9)up(10)for15XUXIDAOYIN预习导引HEXINGUINA核心归纳12345674.orelse否则,不然Stopsmokingnow,orelseyourhealthwillberuined.现在别再抽烟了,否则你会毁了自己的健康。Getupearly,orelseyouwillbelate.早点起床,要不然你就会迟到。16XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567其他表示“否则”的词Domoreexerciseoryouwillbeoutofcondition.多做锻炼,否则你会身体不好的。You’dbettergivememybook,otherwiseI’llfailmytest.你最好把我的书给我,否则我的测验将要不及格了。归纳:除了orelse之外,or和otherwise也可以表示“否则”。活学活用语法填空Becareful.elseyouwillmakeamistake.答案:Or17XUXIDAOYIN预习导引HEXINGUINA核心归纳12345675.wrapup结束Let’swrapupthediscussion.让我们结束这次讨论吧。阅读下列句子归纳wrapup的其他含义Youneedtowrapupwarmly;itisverycoldoutside.你得穿暖和点,外面冷得很。Iwrappedthebabyupinablanket.我用毯子把婴儿裹了起来。归纳:wrapup还可以表示“穿得暖和”和“裹,包”。活学活用语法填空Thereislittletimeleft.Now,whencanyouwrapthosereports?答案:up18XUXIDAOYIN预习导引HEXINGUINA核心归纳12345676.onsb.’sbehalf代表……OnbehalfofmycolleaguesandmyselfIthankyou.我代表我的同事和我本人向你表示感谢。TheypresentedtheQueenwithabouquetonbehalfofthestudents.他们代表学生向女王献花。Jackisnotpresent,soIshallaccepttheprizeonhisbehalf.杰克不在场,所以我将代表他颁奖。归纳:onsb.’sbehalf(=onbehalfofsb.)可以表示“代表……”,也可以表示“为了……”。19XUXIDAOYIN预习导引HEXINGUINA核心归纳1234567表示“代表”的还有inplaceof,represent,standfor和taketheplaceof等。DoyouwantanothergirlsentalonginplaceofMissLewis?你想让(他们)派另外一个姑娘来代替刘易斯小姐吗?活学活用语法填空I’mnotappealingformyself,butdoingsobehalfofmillionsoffreshcollegegraduates.答案:on20XUXIDAOYIN预习导引HEXINGUINA核心归纳12345677.carryoff掠去,夺走Hecarriedoffthetreasurefromtheisland.他从岛上夺走了财富。Thatbadhabitcarriedoffherhealth.坏习惯