人教版高中英语必修四Unit2课件

Workingtheland课时作业考点互动探究基础知识回顾与名师对话高考总复习·课标版·英语（专版）contents1.识记填读2.联想填读3.构词填读4.语境填读5.句式填读6.核心词汇7.单元语法8.微型考场9.名师讲坛Ⅰ.识记填读1．__________n.十年(期)[答案]decade2．__________n.焦点，中心点；vt.集中；聚焦[答案]focus3．__________vt.减少[答案]reduce4．__________n.产量；输出；vt.输出[答案]output5．__________adj.晒黑的；晒伤的[答案]sunburntⅡ.联想填读1．strugglevi.&n．斗争；努力→struggle_______为……而斗争/奋斗→struggle____________________努力做(困难的)事[答案]forsth.；todosth.2．be__________________对……感到满意→becontentwith/bepleasedwith对……感到满意[答案]satisfiedwith3．_______vt.&n．遗憾；后悔→regret______________后悔做过某事→regret______________________遗憾地做某事[答案]regret；doingsth.；todosth.4．____________________逐渐增强→buildoneselfup强身健体[答案]buildup5．__________________导致；造成(后果)→contributeto导致[答案]leadto6．__________...________________使……免受(影响、伤害等)；使……不含(有害物)→befreefrom/of免受……[答案]keep；freefrom/ofⅢ.构词填读1.hungern.饥饿；欲望；v.(使)饥饿→__________adj.饥饿的[答案]hungry2．__________vt.&vi.使变大；伸展→expansionn．扩展/扩张/扩大；膨胀[答案]expand3．exportvt.&vi.输出；出口→__________v．输入；进口[答案]import4．__________n．工作；职业；占领→occupyvt.使用，占用；占据，占领[答案]occupation5．confusevt.使迷惑；使为难→__________adj.迷惑的，糊涂的→__________adj.令人困惑的，难以理解的[答案]confused；confusing6．__________adj.化学的；关于化学的→__________n．化学→chemistn．药剂师；药商；化学家[答案]chemical；chemistry7．__________n．生产，制造→producevt.生产，制造→__________n．产品[答案]production；product8．nutritionn.营养；滋养；食物→__________adj.有营养的，营养丰富的[答案]nutritiousⅣ.语境填读1．___________(多亏)Dr.YuanLongping's______(努力)forthe___________________(过去50年)hishybridrice________theworld__________(摆脱)hungerinalargedegree.[答案]Thanksto；struggle；pastfivedecades；rid；of2．You__________never____________________(对……不满意)whatIhavedone.HowI__________________(后悔成为)yourfriendatthattime![答案]are；satisfiedwith；regretbecoming3．__________(有机的)farming_______________(集中注意力于)thehealthofthefood，_______(减少)thepollutionofthe__________(土壤)and_______products_____________and__________(使……免受化学药品和害虫的伤害)．[答案]Organic；focuseson；reducing；soil；keeping；freefromchemicals；pests4．Wemust__________________(集中精力于)whatwearedoing，otherwisewecouldn'tgetagoodresult.[答案]focuson5．Wehave________thesupermarket__________(为……供应)ourqualityproductsforthreeyearsandthey_____________________(对……满意)our__________.[答案]supplied；with；areverysatisfiedwith；suppliesⅤ.句式填读1．DrYuanLongpinggrows____________superhybridrice.袁隆平博士种植的是被称为“超级杂交水稻”的稻种。[答案]whatiscalled2．Usinghishybridrice，farmersareproducingharvests________________before.用他的杂交水稻，农民种出的粮食比以前多了一倍。[答案]twiceaslargeas3．____________________，whatdidyoudotogrowthem？如果这样的话，你做了些什么来种植这些植物？[答案]Ifso4．He__________much__________keeptimeforhishobbies.他宁愿把时间花在自己的爱好上。[答案]would；rather1．strugglevi.&n．斗争；拼搏；努力[教材原句]．..forwhomhehasstruggledforthepastfivedecades.(P10)……过去五十年来，他一直在努力帮助他们。必会struggletodosth.努力做某事strugglefor为……而奋斗struggletoone'sfeet挣扎着站起来struggleagainst/with向……作斗争；同……搏斗Therewerenosignsofastruggleatthemurderscene.在凶杀现场没有搏斗的痕迹。用适当的介、副词填空①Hestruggled__________hisfeet.[答案]to②Hestruggled__________hisfreedom.[答案]for③Astrongmanwillstruggle__________thestormoffate.[答案]with/against④Lifebecameastruggle__________survival.[答案]for2．disturbingadj.(P10)引起烦恼的；令人不安的[一句背诵]Theywerealldisturbedbythedisturbingnews；thatistosay，thenewsdisturbedallofthem.他们都被这个令人不安的消息弄得深感不安，也就是说，这个消息使他们都感到不安。[思考探究]请仔细想一想，disturb，interrupt，upset，trouble在意思上有什么不同。3．expandvt.&vi.使变大，伸展[教材原句]DrYuansearchedforawaytoincreasericeharvestswithoutexpandingtheareaofthefields.(P10)袁博士(开始)在不增加农田面积的基础上寻求水稻增产的途径。类词辨析expand展开，扩大，不仅指尺寸的增加，还可指范围和体积的扩大extend伸出，延伸，指空间范围的扩大，以及长度、宽度的向外延伸，也可指时间的延长。spread伸开，传播，一般指向四面八方扩大传播的范围，如(疾病)漫延、散布(信息)等。stretch伸展，拉长，一般指由曲变直、由短变长的伸展，不是加长。用expand，extend，spread，stretch的适当形式填空①Thehotweather________toOctober.[答案]extended②Water________whenitfreezes.[答案]expands③He________hisbodyfull.[答案]stretched④Thefiresoon________tothenearbybuilding.[答案]spread4．thereforeadv.因此；所以；因而[教材原句]Hethereforegivesmillionsofyuantoequipothersfortheirresearchinagriculture.(P10)于是他拿出几百万元帮助其他人进行农业科学研究。[名师点悟]therefore是副词。和上句连接时常用andtherefore...形式，and前加一逗句；如没有and，则上句尾用分号(；)。so是连词。前一句尾常用逗号隔开，so不能与because连用。thus是副词，常与and连用，呈现andthus＋从句形式，有时也会有．..，thusdoing...形式，强调引起一个直接的结果。A．用therefore，so，thus填空①Shewascaughtcheatingintheexamand________shewaspunishedbyherteacher.[答案]therefore②Shecoughedbadly，________shewenttoseeadoctor.[答案]so③Thetramstoppedsuddenly，______causingthedelay.[答案]thusB．单项填空④(2013·南京四校调研)Studentloansaresupposedtoprovidefinancialsupportforthestudentswhowould______notbeabletogotocollege.A．otherwiseB．meanwhileC．thereforeD．nevertheless[解析]考查词语辨析。句意：学生贷款应该为那些学生提供资金上的帮助，否则，他们就不能上大学了。otherwise“否则，要不然”；meanwhile“与此同时”；therefore“因此”；nevertheless“然而”。根据句意可知应选A项。[答案]A5．confusevt.使迷惑；使为难[教材原句]Itisimportanttoexplainthisagainorwewillconfusethestudents.(P13)把这个再解释一次很重要，否则我们会使学生糊涂。[一句背诵]Iwasconfusedabouttheconfusingmurder.SoIwaspuzzledwhattodonext.我对这个令人困惑的凶杀案感到困惑。所以下一步怎么办我有点不知所措。A．完成句子①The________question________everyone.这个令人困惑的问题使每个人都很为难。[答案]confusing；confused②Don't______theword“weather”_____“whether”．不要把weather和whether这两个单词弄混了。[答案]confuse；withB．语法填空③Fromhis________(confuse)look，wecouldseethathehadn'texpectedthatwecouldraisesuch________(confuse)questionstohim.[解析]confused表示“困惑的”，常用来