英语人教版八年级下册Unit7 Section 1a-2d. Unit 7 第一课时.ppt

八年级 下 Go for it 学练优英语教学课件 学练优八年级英语下 RJ 教学课件 SectionA 1a 2d Unit7What sthehighestmountainintheworld Whichisthehighestmountainintheworld Whichisthelongestriverintheworld WhichisthelongestriverinAsia Leadin Doyouknow Qomolangma theSahara theCaspianSea theNile theYangtzeRiver 1a Matchthefactsyouknow 1b Listenandcompletethesentences 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld higher thebiggest thedeepest thelongest Usetheinformationin1btomakeconversations 1c A Whatisthehighestmountainintheworld B Qomolangma Whatisthelongestriverintheworld TheNile Whatisthebiggestdesertintheworld TheSahara 2a Listenandnumberthefacts 1 4 intheorderyouhearthem TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 3005 0005 464300 4 2 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 1 3 Listenagainandfillintheblanksin2awithnumbersinthebox 2b TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 5 000 300 Makeconversationsusingtheinformationin2a 2c A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid It smucholderthanmycountry Pleasereadtheconversationin2d What stheconversationabout It saboutatourtotheMingGreatWall Readagainandanswerthequestionsin2d 1 HowlongistheMingGreatWall 2 Whatdoestheguidesayaboutthewall It sabout8 850kilometerslong It squitetallandwide It sthelongestwallintheworld Languagepoints 表示人口 多 要用large或big 表示人口 少 要用small Chinahasthelargestpopulationintheworld Population 意为 人口数量 人口 是一个集合名词 population常与定冠词the连用 作主语用时 谓语动词常用第三人称单数形式 Theworld spopulation increasing 全世界的人口增长得越来越快 ThepopulationofChinaisabout1 300 000 000 中国人口大约有13亿 fasterandfaster is 当主语是表示 人口的百分之几 几分之几 时 谓语动词用复数形式 eg 中国大约有百分之七十的人口是农民 AboutseventypercentofthepopulationinChinaarefarmers 询问某国 某地有多少人口时 Howlarge 在问具体人口时用 What 你们家乡有多少人口 加拿大的人口有多少 Howlargeisthepopulationofyourhometown WhatisthepopulationofCanada Practice 这个城市的人口是600万 Thepopulationofthiscityissixmillion 中国的人口比美国的人口多很多 ThepopulationofChinaismuchlargerthanthatoftheUSA 2 DidyouknowthatChinaisoneoftheoldestcountriesintheworld thatChinais 是know的宾语从句 尽管主句的动词是过去时态 但由于宾语从句陈述的是客观事实 所以从句仍用一般现在时 3 It smucholderthanmycountry mucholder意为 高得多 在形容比较级前还可以用much even alittle still alot less等修饰词表示程度 Practice 他比我跑得更快 HerunsevenfasterthanI 日本土地面积只比德国大一点儿 JapanisalittlelargerthanGermanyinarea 1 Thep inourhometownisverylarge 2 Wet bycareverysummer 3 Wehavetomakeplanstop theendangeredanimals 4 Theycametoa 宽阔的 river 5 Some 古老的 townshavewallsaroundthem opulat