资源描述:
《江苏专用新人教版高二英语必修5学案:unit2theenvironment单元课时5powerdis》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、设计老师:单元课时5(教师版)课题:WordPowerDiscussingtheenvironment教学目标:Enlargingthevocabularyrelatedtotheunit教学流程:I导入opencastminingozonelayerglobalwarming.1.WordsrelatedtotheenvironmentClear-cutloggingslashandburnfarmingacidrain2.Doyouknowthefollowingcompoundnouns?acid
2、fog/acidmist(酸雾),domesticsewage(生活污水),ecologicalcrimes(破坏生态罪),endangeredspecies(濒于灭绝的物种),climaticscourge(气候灾害)2.矿物燃料.4.减少污染.6.露天采矿8.酸雨10.新一代_1.环境保护.3.全球变暧_5.温室效应_7.确保,核实.9.臭氧层II重、难点讲解合成词把两个或两个以上的词结合在一起构成的新词叫合成词(复合词)。合成词的种类较多,其屮最常见的是合成名词、合成动词、合成副词等。1.合成名词
3、:eso(1)一般说来,合成名词屮有屮心米白念歌词时,其复数表达在该名词后加-s或-es,若没有,则在词尾,加-s或-Lookers-on旁观者passers-by过路人sisters-in-law嫂子grown-ups成年人(2)合成名词的所有格在词尾形成。Heworksinhisbrother-in-law'scompany.他在他姐夫的公司工作。2.合成形容词合成形容词的常见构成法:(1)形容词词T+名词+edKind-hearted好心的middle-aged中年的cold-blooded冷血的
4、(2)形容词词干+形容词词干Red-hot炙热的dark-blue深蓝色的(3)形容词词干+现在分词Ordinary-looking相貌一般的funny-looking样子滑稽的(4)形容词词干+过去分词Ready-made现成的,预先制成的clean-washed洗得干净的(5)副词词干+分词Hard-working勤劳的bravely-fighting英勇斗争的well-known闻名的(6)名词词干+形容词词干World-famous世界闻名的snow-white雪白的life-long终生的(7
5、)名词词干+现在分词Peace-loving爱好和平的man.eating吃人的(8)名词词干+过去分词Man-made人造的snow-covered被雪覆盖的(9)数词词干+名词・edThree-legged三条腿的four-storeyed四层的(10)数词词干+名词+形容词Five-year-old5岁的500-metre-long500米长的(11)数词词干+名词词干Ten-year10年的two-man二人白勺1.合成动词Overcome,overeat,upset,underline,air
6、drop,sleepwalk,understand2.合成副词Inside,downstairs,downtown,outdoors,beforehand,meanwhilem反馈巩固:一、根据括号中所给单词的首字母填空1Thesystemwillhavetobetestedbeforeitgoestop.2someofthemushroomswithextremelybeaut讦ulappearaneeareusuallyp•3Freshairisbtoourhealth・4Alargenumbero
7、fclothesweresenttothefareatohelpthosewhowereinneedofthem.5Squirrelswillstoresomefoodlikenutswhenwinterisa.6F,heescapedfromthefallinghousewhentheearthquakebrokeout・7Ahealthyenvironmentandastableedevelopmentshouldbepossibleatthesametimeifwesticktotheharmon
8、iousdevelopmentpolicy.8Thebusinessmenshouldnotthinkofmoneyonly,andtheyshouldholdtheirrtotheenvironment.9Thereweremanyblack-and-bluemarksontheboy'sskin.Itwasothathehadbeenbadlytreated・10Doyoumeanyouwanttopay$100forthishandk