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1、SectionA11a—2dUnit7What'sthehighestmountainintheworld?squaren.平方metern.米Checkthepreviewdeepadj.深的desertn.沙漠populationn.人口Asian.亚洲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；宽阔和Let’sreadnumbers2.3451656,671600,0009,600,0001
2、,300,000,000twopointthreeforty-fiveonehundredandsixty-fivesixthousandsixhundredandseventy-onesixhundredthousandninemillionsixhundredthousandonebillionthreehundredmillionbillion十亿million百万thousand千111,121,435,678111,121,435,678billionmillionthousandon
3、ehundredandelevenbilliononehundredandtwenty-onemillionfourhundredandthirty-fivethousandsixhundredandseventy-eight十亿的读法Canyoureadthem?8,4485,6544,3219,54323,34534,66643,23367,321Canyoureadthesenumbers?6,3005,0005,464300Canyoutranslatethebelowsentences
4、?1.6,300是最大的数字。6,300isthebiggest(largest)number.2.300是最小的数字。300isthesmallestnumber.3.6,300比5,000要大很多。6,300ismuchbiggerthan5,000.4.5,464和5,000差不多一样大。5,464isalmostasbigas5,000.Readthenumber!4,69826,471,904,75827,6449,237,5865.4176,934,524,456389298,503
5、28,596,73890Groupwork:Writedownsomenumbersandaskyourgroupmatestoreadit.No.1-No.4No.2-No.32米长1米宽150米高1125米深1.5米厚9,600,000平方公里twometerslongonemeterwideonehundredandfiftymetershighonethousandonehundredandtwenty-fivemetersdeeponepointfivemetersthick数词+单位
6、+形容词(long,wide,high,deep,thick)面积：数词+单位+insizeninemillionsixhundredthousandsquarekilometersinsize1.最高的山thehighestmountain2.最长的河thelongestriver3.最深的海thedeepestsea4.最大的沙漠thebiggestdesert5.1025米深1025metersdeep6.8844.43米高8844.43metershigh7.6671公里长6671kil
7、ometerslong8.面积9600000平方米9600000squaremetersinsize9.比其它任何山都高higherthananyothermountain请四号朗读这些短语请快速记住这些短语WhichisA.mountainB.riverC.lakeD.desertInterestingEnglishQomolangmatheNiletheCaspianSeatheSaharaIthastwobanks.therichest?________metershigh________
8、meterslong________metersdeep8,844.436,6711,025________squarekilometersinsize9,600,000QomolangmatheNiletheCaspianSeatheSaharaHowhigh/long/deep/bigis...?写出下列单词的比较级和最高级形式1.deep__________2.long__________3.high__________4.big__________5.nice__________6.la
