2014年高二英语(人教版选修7)教学精品课件：Unit 3 Period Ⅰ.ppt

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1、【美文阅读】广袤无垠的海洋，孕育了无数生命传奇，以其独有的神秘吸引着人类对其进行不懈的探索。为此，海洋科学家通常把海洋分为五个区域。现在就让我们一起了解一下吧！Below4,000metres，thetemperatureisnearfreezingandthereisnolightatall.Infact，thezoneissodarkandemptythatscientistsnamedthiszoneaftertheGreekwordfor“nobottom”．Thereisnotmuchlif

2、etobefoundinthiscoldandunpleasantpartoftheocean，butsomesmallcreaturesstillmanagetosurviveheredespitethehighwaterpressure.Theverydeepestpartoftheoceanisfound2,000metresfurtherdown.Atthisdepth，thewaterpressureisextremelyhighandlifeisverydifficultforthefew

3、creaturesthatlivehere.Comparedtotheotherzones，thisonehasverylittlelife.Sincethereisnolighthere，someoftheanimalsdonothaveeyes.Nexttimeyoulookattheoceanfromthebeachoronamap，rememberthatwhatyouareseeingisonlythesurface－onlythebeginningofthelargeandvariedad

4、venture.教师用书独具演示●教学目标初步掌握本课文中的词汇，浅层次理解课文，了解相关的背景知识。本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，让学生在下一堂课中对课文的全面理解起到一个铺垫作用。●教学地位本单元的中心话题是“海底世界”。听说读写等活动主要围绕海底动植物、海底奇妙景观，以及有关大海的神话故事展开。本单元引导学生讨论这些话题，目的在于让他们了解海底世界的博大与奇妙。从而增强保护海洋和开发利用海洋的意识。●新课导入建议可以通过讨

5、论教材第19页的图画引导学生了解这些海底动植物。培养学生热爱和保护海洋生物的意识。演示结束Ⅰ.篇章结构阅读文章，然后完成下面表格(每空不超过3词)ThemainideaofthetextI1.ascenewhereOldTom，thekillerwhale，helpedthewhalerscatchthehugewhales.Time2.DetailsofthestoryOldTommadealoudnoise，3.usthattherewasawhaleoutthereforus.Wejumpedi

6、ntotheboatandheadedoutintothebay.OldTom4.ustheway.Asweapproached，thekillersovertherewerethrowingthemselves5.thewhale'sblowholetostopit6.，andtheotherswerestoppingitdivingor7．outtosea.Onemanaimedatthewhaleandhisharpoonhitthespot.Thewhale'sbodywas8．bytheki

7、llersdownintothe9．ofthesea.Wewenthomeandintendedtogetthewhale'sbodythenextday.Inthefollowing24hours，thekillerswouldhaveagoodfeedonits10..【答案】1.witnessed2.Oneafternoon3.telling4．showed5.ontopof6.breathing7.fleeing8．dragged9.depths10.lipsandtongueⅡ.语篇理解阅读

8、P20－21的Reading部分，从每题所给的3个选项中选择最佳答案1．Whofirstshoutedthatthekillerwascoming?A．Thewriter.B．James.C．George.2．WhichofthefollowingisTRUE?A．OldTomandhisfriendswerehelpfultothewhalers.B．OldTomwas70yearsold.C．OldTomneverdidanyfavorforthew