2、级形式的构成。2)表示两者进行比较的句式结构。2.教学难点:HehasshorterhairthanSam.IsTomsmarterthanTim?ShealsosingsmoreloudlythanTara.三、教学过程Ⅰ.Lead-in1.AskSstowritedownasmanyadj.aboutpeopleaspossible.Checktheadj.Sswriteandwecangroupthemintosomepairs,like:[SectionA1a] tall---short; thin---heavy, longhair---shorthair, cal