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1、How much are these socks?Unit Seven Go for it!Period 4one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one twenty-ninethirty-one thirty-nineforty-one forty-ninefifty-one fifty-nin
2、esixty-one sixty-nineseventy-one seventy-nineeighty-one eighty-nine ninety-one ninety-nineone hundred one hundred and oneLearn these numbers and find out the rules:1.1-12:(记住每个单词)2.13-19:-teen(thir-;fif-;eigh-)3.20-90:-ty(twen-;thir-;for-;fif-;eigh-)4.21-99:十位个位5.100-900:1-9 hundred5.101-999:_ hundr
3、ed and _个位十位_个位数字小结：two-twelve-twentythree-thirteen-thirtyfour-fourteen-fortyfive-fifteen-fiftysix-sixteen-sixtyseven-seventeen-seventyeight-eighteen-eightynine-nineteen-ninetyone-ten-one hundred10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 Listen and repeat1a ten eleven twelve th
4、irteen fourteen twenty-five twenty-six twenty-seven twenty-eight twenty-nine twenty twenty-one twenty-two twenty-three twenty-four fifteen sixteen seventeen eighteen nineteen thirty thirty-one1bWhich two rows of numbers are in the wrong place?The 2nd and 4th row1a Listen and circle the numbers1dOh,l
5、ook!I like that blue sweater.How much is it?Fifteen dollars.Oh,look!I like the socks.Oh,no.I dont like red.Do you like that T-shirt?Mmm,yes,I do.But its eleven dollars.Oh,how much is the green sweater?Its twenty dollars.But you have a green sweater.Mmm,oh,do you like those blue trousers?Oh,yes,I like those.How much are they?Only sixteen dollars.Ok,Ill take them.$70-90$86Is it?$45-60$58Are they?$40-70$56Are they?$70-90$88Is it?$15$5$10$20$25$10$20$30$13