八年级英语下册 Unit 7 What’s the highest mountain in the world（第1课时）Section A（1a2d）课件 （新版）人教新目标版.ppt

r八年级下册 unit7 what sthehighestmountainintheworld sectiona第一课时1a 2d newwords squaren 平方 metern 米 desertn 沙漠 populationn 人口 walln 墙 tourv n 旅行 languagegoal talkaboutgeographyandnature 1a matchthefactsyouknow 1a practice practiceinpairslikethis a whichisthe inthe b 1b listenandcompletethesentences 1 qomolangmais thananyothermountainintheworld 2 thesaharais desertintheworld 3 thecaspianseais ofallthesaltlakes 4 thenileis riverintheworld higher thebiggest thedeepest thelongest 1c usetheinformationin1btomakeconversations whatisthehighestmountainintheworld qomolangma 2a listenandnumberthefacts 1 4 intheorderyouhearthem 6 3005 0005 464300 theyangtzeriverisabout kilometerslongandtheyellowriveris kilometerslong chinahasthebiggestpopulationintheworld it salotbiggerthanthepopulationoftheus chinaisover yearsold ithasamuchlongerhistorythantheus theusisnoteven yearsold chinaisalmostasbigastheus butitisthebiggestcountryinasia 1 2 3 4 2b listenagainandfillintheblanksin2awiththenumbersinthebox 6 3005 0005 464300 theyangtzeriverisabout kilometerslongandtheyellowriveris kilometerslong chinahasthebiggestpopulationintheworld it salotbiggerthanthepopulationoftheus 6 300 5 464 2b chinaisover yearsold ithasamuchlongerhistorythantheus theusisnoteven yearsold chinaisalmostasbigastheus butitisthebiggestcountryinasia 5 000 300 2c makeconversationsusingtheinformationin2a didyouknowthatchinaisoneoftheoldestcountriesintheworld yes idid it smucholderthanmycountry usetheinformationin2atoretellthestoryinaconversationbetweentheboyandatvreporter didyouknowthatyangtzeriveristhelongestriverinchina yes idid it s6 300meterslong 2d role playtheconversation guide feelfreetoaskmeanythingontoday sgreatwalltour tourist1 howlongisthewall guide ah themostpopularquestion ifwe reonlytalkingaboutthepartsfromthemingdynasty it sabout8 850kilometerslong thismakesitthelongestwallintheworld tourist2 wow that samazing whydidtheancientemperorsbuildthewall 2d guide themainreasonwastoprotecttheirpartofthecountry asyoucansee it squitetallandwide asfarasiknow therearenoman madeobjectsasbigasthis tourist3 isbadalingpartoftheminggreatwall guide yes it sthemostfamouspart languagepoints 1 thesaharaisabout9 600 000squarekilometersinsize square是可数名词 意为 平方 正方形 square用于专有名词时 其前不加冠词 如 askeachstudenttodraw16squaresonapieceofpaper 要求每个学生在纸上画16个正方形 iwouldestimatethesizeofthegardenat100squaremetres 据我看 这花园总面积100平方米左右 languagepoints 2 thecaspianseais1 025metersdeep 1 deep是形容词 意为 深的 纵深的 如 thisriverisabout6metersdeep 这河大约有六米深 hispersonalityleftadeepimpressiononus 他的人品给我们留下了深刻的印象 2 meter是名词 意为 米 公尺 如 theboyisonemetertallinhisstockingfeet 这个小男孩不穿鞋的身高是一米 itisamere100meterfrommyhousetothetheater 从我家到剧场只有一百公尺 languagepoints 3 chinahasthebiggestpopulationintheworld 1 population是集合名词 意为 人口 人口数量 无复数形式 在句中作主语时 谓语动词用单数 但当population前有分数或百分数修饰时 用于指具体的人数 故作主语时 谓语动词要用复数形式 如 thepopulationisgrowingfast 人口增长很快 onefifthsofthepopulationhereareworkers 这儿有五分之一的人是工人 languagepoints languagepoints 4 chinaisalmostasbigastheus butitisthebiggestcountryinasia 1 as 形容词或副词的原级 as 表示双方在某个方面一样 既可以用在肯定句里 也可以用在否定句中 如 sheisastallasme 她和我一样高 herunsasfastaspaul 他跑得和保罗一样快 notas 形容词或副词的原级 as 表示双方在某个方面不同 如 hisenglishisnotasgoodashers 他的英语不如她的好 languagepoints 2 biggest是形容词big的最高级 意为 最大的 如 thisisthebiggestanimalthatihaveeverseen 这是我见过的最大的动物 形容词的最高级用于表示三者或三者以上 人或物 的比较中 在某方面超过其他人或物 最高级的前面要加定冠词the 后面可带of in短语来说明比较的范围 如 it sthemostexpensivecarintheworld 它是世界上最昂贵的汽车 whosedrawingisthebestofall 在所有画当中谁的画最好 languagepoints 5 feelfreetoaskmeanythingontoday sgreatwalltour wall是可数名词 意为 墙 围墙 inthewall表示 在墙的里面 而onthewall表示 在墙的表面 thegreatwall 长城 是thegreatwallofchina 中国长城 的简称 如 theexplosioncausedthewallsofthebuildingtofallin 爆炸使建筑物的墙倒塌了 hewhodoesnotreachthegreatwallisnotatrueman 不到长城非好汉 单项选择 1 ithinksheis ofallthegirls a beautifulb morebeautifulc mostbeautifuld themostbeautiful2 howtallheis yes heis thananyotherstudentinhisclass a tallb tallerc t