陕旅版(三年级起点)四年级下册PartCListenandwriteRead,askandanswerPartBLet'slearnmoreUnit6TodayIsHerBirthdayLet'slearnmore视频Sum-upWarm-up/RevisionPresentationTestHomework●PartC●Listenandwrite●PartB●Let'slearnmore●Read,askandanswer>>ReviewWarm-up/Revision>>ReviewHowoldareyou?Let'slearnmore点击“Let'slearnmore”，跟我一起读吧！视频Let'slearnmorethirty【用法】thirty是基数词,后接可数名词的复数形式。【例句】I'llbethirtynextyear.我明年就三十了。Presentation(数词)三十forty【例句】Myfatherisfortyyearsold.我爸爸四十岁了。(数词)四十fifty【例句】TherearefiftystatesintheUnitedStates.美国有五十个州。(数词)五十sixty【例句】Therearesixtyminutesinanhour.一小时有六十分钟。(数词)六十seventy【例句】Mygrandpaisseventyyearsold.我爷爷七十岁了。(数词)七十eighty【例句】Fiftyandthirtyiseighty.五十加三十等于八十。(数词)八十ninety【例句】Thecoatcostsninetyyuan.那件外套值九十元。(数词)九十hundred【例句】Thechildcancountfromonetoahundred.这个小孩能从一数到一百。(数词)一百表示几十的数字结尾都有ty,且sixty是由six+ty组成的，seventy是由seven+ty组成的，eighty是由eight+y组成的，ninety是由nine+ty组成的，并提醒学生特别注意几个有特殊变化的词：two—twentythree—thirtyfour—fortyfive—fiftyeight—eighty小贴士>>PracticeMagicfingers>>PresentationLet'stalkListen,thenaskandanswerQ1:HowoldisWuChen’sgrandma?Q2:HowoldisWuChen’smother?Q3:HowoldisWuChen’sfather?Sheissixty.Sheisthirty-seven.Heisforty-one.Q4:HowoldisWuChen?Heistenyearsold.>>PresentationLet'stalkToby:Howoldisyourgrandma?Doyouknow?WuChen:Sheissixty.Toby:Andyourmother?WuChen:Mymotheristhirty-seven.Toby:Isyourfatherthirty-seven,too?WuChen:No.Heisforty-one.Toby:Howoldareyou,then?WuChen:I’mtenyearsold.Toby:Anicegirl!howold【例句】Howoldishe?他多大了?多大;几岁know【短语】knowabout知道;了解【例句】Iknowyou’reright.我知道你是对的。(动词)知道then【例句】I’meleven.Thenwhataboutyou?我十一岁了。那么你呢？(副词)那么;然后—Isyourfatherthirty-seven,too?你爸爸也三十七岁吗?—No.不。【详解】重点句型一这是确认他人年龄及回答的句型。【句型结构】Be动词+主语+...
