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ID:53027881
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时间:2020-04-15
《浙江专版2017秋七年级英语上册Unit7Howmucharethesesocks第4课时SectionB1a_1e课件.pptx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、第四课时SectionB(1a1e)Unit7 Howmucharethesesocks?基数词的表达方法:►0~12的基数词在拼写时要特别注意,分别记忆。►13~19表示“十几”的词,要在个位后加teen,单词有两个重音,直接加teen的有:14—fourteen,16—sixteen,17—seventeen,19—nineteen。要个别记忆的有:13—thirteen,15—fifteen,18—eighteen。►20~90整十的基数词要在末位数后加ty,但有些应注意其拼写。20—twent
2、y30—thirty40—forty50—fifty60—sixty70—seventy80—eighty90—ninety►21~99“几十几”的词,中间用连字符把十位数和个位数连起来。21:twentyone25:twentyfive31:thirtyone56:fiftysix58:fiftyeight89:eightynine►百位或百位以上的词,通常在百位和十位或百位和个位间用and连接,十位和个位之间用连字符。156—onehundredandfiftysix________apples_
3、_________eggs________bananas_________pencils_______hamburgerselevennineteentwelvetwentysixteen二、数词练习。A)写出下列数字的左邻右舍。6.________eleven____________7.___________twenty____________8._______________fifteen___________9._________________twentynine_______10._____
4、_________twentyfive_____________tentwelvenineteentwentyonefourteensixteentwentyeightthirtytwentyfourtwentysixB)用适当的基数词完成下面的等式。11.six+_________________=twentynine12.thirtyone-fourteen=______________13.____________+thirteen=twentyfive14.three×six=________
5、____15.thirty÷two=____________twentythreeseventeentwelveeighteenfifteen三、根据图片提示在横线上填入正确的英文数字。16.Theseshoesare_________yuan.17.ThatgreenTshirtisonly__________yuan.18.Hereare___________strawberries.19.Thispairoftrousersis________________dollars.20.Thissch
6、oolbagis____________dollars.thirtyfifteentwelvetwentyfiveeighteen16题图17题图18题图19题图20题图
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