英语人教版八年级下册unit 7 section 1a_2d.ppt

1 Doyoulikegeography Let stalk geography 2 Whatcanwelearninageographyclass Let senjoythebeautyofnature mountain desert river lake ocean freshlake saltlake Unit7What sthehighestmountainintheworld sectionA1a 2c 一 talltallertallestshortshortershortestoldolderoldestcalmcalmercalmest 二 funnyfunnierfunniesthappyhappierhappiestbusybusierbusiestheavyheavierheaviest 三 nicenicernicestlargelargerlargestwidewiderwidest 四 bigbiggerbiggestfatfatterfattestthinthinnerthinnest 五 beautifulmorebeautifulmostbeautifuloutgoingmoreoutgoingmostoutgoingexpensivemoreexpensivemostexpensive 形容词的比较等级构成方式 比较级 最高级规则变化口诀 比较级 最高级 一般词尾加er或est cheap cheaper thecheapest 词尾若有哑音e 直接就加r或st close closer theclosest 重读闭音节 单辅音字母要双写 big bigger thebiggest 辅音字母若加y 记得把y变为i 再加er或est兄弟 friendly friendlier thefriendliest 多音节 考考你 more themost到底加哪里 popular morepopular themostpopular betterbest little worseworst moremost lessleast good well bad ill many much 原级 比较级 最高级 特殊情况 Presentation squaren 平方 metern 米 tourv n 旅行 touristn 旅行者 walln 墙 amazingadj 令人大为惊奇的 ancientadj 古代的 wideadj 宽的 宽阔的 Competiton 竞赛 地理知识大PK 1 Whatisthelongestriverintheworld inChina 2 Whatisthelongestwallintheworld Competiton 竞赛 3 Whatisthehighestmountainintheworld Competiton 竞赛 4 Whatisthebiggestdesertintheworld Competiton 竞赛 5 Whatisthedeepestsaltlakeintheworld inChina The Competiton 竞赛 1aMatching 匹配 怎样表达计量单位 1 数词的读法 1 Thewallis2metershigh 2 Qomolangmais8 844 43metershigh 3 TheNileis6 671kilometerslong 4 TheCaspianSeais1 025metersdeep 数词 meters kilometers long high tall wide deep thick heavy 2 英语中表示计量的结构 1bListenandcompletethesentences 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld higher thebiggest thedeepest thelongest 2aListenandnumberthefacts 1 4 intheorderyouhearthem TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 4 2 1 3 2bListenagainandfillintheblankswiththenumbersinthebox 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 4 2 1 3 6 300 5 464 5 000 300 Pairwork A Whatisthelongestriverintheworld B TheNile A Howlong deep high big isit B Itis6 671kilometerslong Homewo