I.Unit1Period3教学内容1.Usingmodeledsentencestointroduceaperson’sageandstudentnumber:She’stenyearsold.Herstudentnumberissixteen.2.Usingformulaicexpressionstointroduceothers:Thisisyournewclassmate.3.Usingformulaicexpressionstogreetnewpeopleandrespondtogreeting