资源描述：
《英语人教版八年级下册Unit7-SectionA-1a---2d培训讲学.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、英语人教版八年级下册Unit7-SectionA-1a---2d（Let’sgotravelling）Travelaroundtheworld行程一：First,let’sgoabord(出国）Let’stravelaroundtheworld.TheSaharaisthebiggestdesertintheworld.It’sabout9,600,000squarekilometers平方公里insize.Itislocatedin坐落在thenorthernAfrica非洲北部,climate[klaɪmət]conditions气候
2、条件areverybad.TheSahara[sə'hɑ:rə]撒哈拉沙漠square平方；广场eg:Tian’anMenSquareTheCaspianSea[kæspiən]里海TheCaspianSeaisthedeepestlakeofallthesaltlakes所有的咸水湖中intheworld.It’s1,025metersdeep深.Itliesin位于theborder边界betweenAsia亚洲andEurope欧洲.TheNileisthelongestriverintheworld.It’sabout6,671k
3、ilometerslong.ItisinAfrica非洲andrunsinto注入theMediterranean[meditəreinjən]Sea(地中海)intheend.TheNile[naɪl]尼罗河Qomolangma[tʃəuməulɑ:ŋmə]珠穆朗玛峰Qomolangmarunsalongtheborder边界betweenChinaandNepal尼泊尔.Itiscoveredwithsnowalltheyearround.It’s8,844.43metershigh.It’sthehighestmountainint
4、heworld.It’s26kilometerslong.zxxktheSaharathebiggestdesertintheworldtheCaspianSeathedeepestofallthesaltlakestheNilethelongestriverintheworldQomolangmathehighestmountainintheworldQuestiontime:36，500,435,478↓↓↓billion十亿）million百万thousand千Canyoureadthesenumbers?8,844.436,671
5、1,0259,600,000千位及千位以上数字的表达：以三位数为一个单位，每三位数用“，”隔开1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountain
6、intheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais___________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestListeningskills:beforelistening,readandtrytopredict(预测）.观察与思考14yearsold8,844metershigh9,600,000squareki
7、lometersinsize1,025metersdeep6,300kilometerslongFillintheblanks.1.这张桌子两米长，一米宽。and___________________2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？125米深。Thetableis__________________Themountainis_________________Thebuildingis___________________Thedictionaryis____centimeters_
8、_____________isthelake?It’s________________twometerslongonemeterwide.1,500metershigh.120metersta
