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1、Unit7SectionAPeriod1(1a-2d)What’sthehighestmountainintheworld?Teachingaims能正确使用下列词汇：squaremeterdesertpopulationAsiadeeptourtouristwallamazingancientprotect能熟练运用形容词和副词的比较级、最高级描述事物。能用英语表达较大的数字。了解四个世界之最，增强对大自然的探究兴趣。课前测评1.Mywatchis____________(expensive)thanhers.2.Ihave________(few)storybooksthany
2、ours.3.Heismuch________(tall)thanhisfather.4.Sheisoneof_______(good)teachersinourschool.5.Chinaisas______(big)astheUS.moreexpensivefewertallerthebestbigCanyoureadthebelownumbers?98ninety-eight125onehundredandtwenty-five10256,6718,844.439,600,000onethousandandtwenty-fivesixthousandsixhundredand
3、seventy-oneeightthousandeighthundredandforty-fourpointfourthreeninemillionsixhundredthousandWhatdoyouknowaboutthesenumbers?10256,6718,844.439,600,000尼罗河里海撒哈拉沙漠QomolangmaTheNileTheCaspianSeaTheSahara珠穆朗玛峰QomolangmamountaintheSaharadeserttheCaspianSeaSaltlaketheNileriver1aMatchthefactsyouknow.Qo
4、molangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais________ofallthesaltlakes.
5、4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestWhatisthelongestriverintheworld?TheNile.Canyougiveusmoredetailsaboutit?TheNileisthelongestriver,anditis6671kilometerslong.Whatisthebiggestdesertintheworld?TheSahara.Canyougiveusmoredetailsaboutit?TheSaharaisthebiggestdeser
6、t,anditis9,600,000squarekilometersinsize.Whatisthehighestmountainintheworld?TheQomolangma.Canyougiveusmoredetailsaboutit?TheQomolangmaisthehighestmountain,anditis8844.43metershigh.Whatisthedeepestsaltlakeintheworld?TheCaspianSeaCanyougiveusmoredetailsaboutit?TheCaspianSeaisthedeepestsaltlake,a
7、nditis1025metersdeep.Canyoureadthesenumbers?6,3005,0005,464300Canyoutranslatethebelowsentences?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
