高二英语Unit16Thesea一、教学目标与要求了解海洋方面的有关知识，以及海洋中生物的概况，学习并初步掌握省略的用法，是本单元的教学重点。学生通过对课文的学习，应对海洋有进一步的了解。用自己组织的语言，较为流利地介绍诸如地中海、死海以及珊瑚和海洋中某些鱼类的情况；通过对话课的学习与操练，学生进一步巩固表示愿望的用语；学习并初步掌握有关省略的用法；正确完成练习册安排的练习。二、教学重点与难点1．重点词汇bathe；cycle；salty；surface；various；variety；float；occur；beg；trea-sure；voyage；dowell；makeupone’smind；comeup；onaverage；leaveout；cubicmetre；atatime；begone’spardon；crossout2．重要句型1）Seenfromspace，theearthlooksblue．2）Besides，youwillnotfindcoralnearthemouthsofriverseitherbecausetheriverwaterhastoomuchsoilinitorbe-causeitispolluted．3．语法省略（Ellipsis）1）ShecanholdherbreathlongerthanIcan（holdmybreath）．2）Coralisnotaplantbut（itis）avarietyofanimallife．3）begyourpardon？4）Haven’tseenyouforages．5）Sorrytohearthat．6）Thisway，please．7）Soundsfinetome．8）Terribleweather！9）Haveyoueverbeentotheseaside？No，wecan’taffordto．10）Don’ttellmethenameofthesailorifyoudon’twantto．4．日常交际用语表示愿望（Expressingwishes）1）Iwishwecouldgototheseasidetoday．Pitywelivesofarfromthesea．2）Iwishtheweatherwerebetter．3）Iwishwewereonholiday．4）Iwishwecouldgoswimming．三、课型（一）对话课Ⅰ．教具录音机、投影仪。Ⅱ．课堂教学设计用心爱心专心1．向学生提出下列问题：1）Doyoulikeswimming？2）Howmanyofyoucanswiminthisclass？提问几位能游泳的学生：3）Ifyouwanttoswim，wheredoyougo？4）Haveyoueverswuminthesea？5）Doyouthinkswimmingintheisexciting？Isitdangerous？6）I’dliketoaskthosewhocan’tswimatpresentonequestion：Doyouwanttolearnswim-ming？Why/Whynot？2．准备放对话录音。借助投影片打出以下听前提问：1）CanBrucegototheseasidewithhisfriendtoday？Howdoyouknow？Pleaseexplain．2）WheredidBruceandhisfamilyspendtheirholidayslastAugust？放录音一至两遍，请学生回答上述问题，教师予以必要订正。Key：1）Brucecan’tgototheseasidewithhisfriendtoday．Becausetheylivesofarfromthesea．2）TheyspenttheirholidaysonthebeachlastAugust．3．再次放对话录音，学生跟读。根据本课对话内容，教师再提出一些问题，检查学生的理解程度。1）Pleaseexplainthemeaningofthesentence：Wehadalovelyholiday，oneofthebestever．2）WhatinformationdoyouknowaboutLiQun’scousin？3）WhatisLiQungoingtodowhenheleavesschool？4）Pleaseexplainthemeaningofthesentence：I’lltimeyou．Key：1）TheholidaywehadlastAugustisoneofthebestwehaveeverhadsofar．2）Heisasailor．He’sdoingverywellinthenavyandsometimessendsLiQuninterestingpost-cardsfromtheportswheretheshipstops．3）Hehasn’tdecidedyet．4）InthisdialogueitmeansthatI’lllookatthewatchandseehowlongyoucanholdyourbreathunderwater．4．将学生分为两人一组练习对话。数分钟后，请两三组同学到前面表演，教师予以讲评。5．教师指导学生归纳本课中有关表示愿望（Expressingwishes）的常用语句（见日常交际用语部分）。要求学生能熟练掌握这些语句，并在编练新的对话时加以运用。教师提供如下情景，组织学生两人一组编演新的对话：Situation1：Afamouspopstarisgoingtogiveaconcertsoon．Youlikethisstarverymuchandwanttohearhimagreatdeal．Butthequestionisthatyoudon’thaveenoughmoneyfortheticket．Youaretalkingwithyourfriendandexpressingthestrongwishtogototheconcert．Situation2：Yourfatherworksabroad．Youhaven’tseenhimforquiteafewyears．Youaretalkingwithyourmother，sayingthatyoumisshimverymuchandwanttogoandseehim．Butyourmothe...
