Unit7What’sthehighestmountainintheworld?第一课时(1a-1c)教学目标重点单词与词组:square,meter,deep,desert,about9,600,00squarekilometersinsize,1,025metersdeep,6,671kilometerslong,8,844.43metershigh重点句型:——What’sthehighestmountainintheworld?——It’sQomolangma.——Howhighisit?——It’s8,844.43metershigh.教学过程一、复习比较级和最高级1.原级:as+形容词/副词原级+as2.比较级(用于两者之间的比较):形容词比较级+than...3.最高级(用于三者或三者以上的比较):the+形容词/副词的最高级+of/in...最高级考点:形容词的最高级前必须加the;副词的最高级前省略the。(1)Whichis(nice),theblueoneortheredone?(2)John’sparentshavefoursons,andheis(young)child.(3)Tomisas(tall)asBob.(4)Iamvery(outgoing).MaryisthanI.AndLucyisamongus.(5)Ricksings(well),hesings(well)thanJohn,butMarysings(well)inherclass.二、合作探究英语中计量单位的读法13,200,500,6009,600,0001,0256,6718,844.43数词+单位量词+形容词8,844.43米高8,844.43面积9,600,00平方千米9,600,001hundredthousandmillionbillion1,025米深1,0256,671千米长6,671三、完成1a四、完成1bListenandcompletethesentences1.Qomolangmaisthananyothermountainintheworld.2.TheSaharaisdesertintheworld.3.TheCaspianSeaisofallthesaltlakes.4.TheNileisriverintheworld.五、完成1c,结伴对话2