Unit7Howmucharethesesocks?SectionB(1a—1e)Ⅰ.单词拼写1.ten(num.)2.eleven(num.)3.twelve(num.)4.thirteen(num.)5.twenty(num.)答案:1.十2.十一3.十二4.十三5.二十6.fifteen(num.)7.eighteen(num.)8.thirty(num.)答案:6.十五7.十八8.三十Ⅱ.判断下列算式正误(T/F)()1.twelve+eight=twenty()2.seven+eight=fifteen()3.thirty-one+seven=twenty-five()4.eleven+twenty=thirty-one()5.twenty-four+nine=thirty-two答案:1～5.TTFTFⅢ.句型填词——这个白包多少钱?——它17美元。—thewhitebag?—seventeendollars.答案:Howmuchis;It’s—Howmuchisthepants?—They’rethirtyfiveyuan.________________________________________________________________________________________________________答案:句中主语是pants,是复数;be动词is改为are;thirtyfive改为thirty-five。twenty-five二十五【语境领悟】*Theboyhastwenty-eightballs.这个男孩有二十八个球。*—HowmuchareBob’sbluepants?——鲍勃的蓝短裤多少钱?—They’rethirty-sixyuan.——三十六元。*Hereareninety-nineroses.这儿有九十九朵玫瑰。【自主归纳】“”数词几十几(1)“”表达几十几用:“”几十+“连字符-”+“”几37→thirty-seven;98→ninety-eight(2)“”几十几是一个单词,不能漏掉连字符。【学以致用】——这十二支钢笔多少钱?——它们四十八元。—arethesetwelvepens?—They’reyuan.答案:Howmuch;forty-eightⅠ.选图配句()1.Thesepantsaretwentydollars.()2.—Howmuchisthegreensweater?—Thirty-twodollars.()3.Thesearemyshoes.They’retwenty-nineyuan.()4.—Howmucharetheshortsandthecap?—Idon’tknow.()5.Theredcapisonlysixyuan.答案:1～5.BCDEAⅡ.完成句子1.——这件白色的T恤衫多少钱?——25元。—isthewhiteT-shirt?—yuan.2.——这短裤15元吗?——是的。—theshortsyuan?—Yes,itis.答案:1.Howmuch;Twenty-five2.Are;fifteen3.——你喜欢什么颜色?——我喜欢黄色。—doyoulike?—Ilikeyellow.4.——十五加十六等于多少?——三十一。—fifteenandsixteen?—.5.这十双袜子35元。Thesepairsofsocksareyuan.答案:3.Whatcolor4.What’s;Thirty-one5.ten;thirty-five
