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1、Unit 7 How much are these socks?The Third PeriodSection B (1a-1e) Warming up Guess game.A：Is it . dollars?B：Are they . dollars? 1a Listen and repeat.10 11 12 13 14 1516 17 18 19 20 2122 23 24 25 26 2728 29 30 31 1b Write the numbers in 1a next to the correct words. Which rows of numbers are in the w

2、rong places?ten _twenty-five _twenty _ fifteen _thirty _ eleven _twenty-six _twenty-one _sixteen _thirty-one _ twelve _twenty-seven _twenty-two _seventeen _ thirteen _twenty-eight _twenty-three _eighteen _ fourteen _twenty-nine _twenty-four _nineteen _10 11 12 1326 291425 27 2820 21 22 23 2415 16 17

3、 18 1930 31參考答案：第二行與第四行位置顛倒了。 1c Listen and circle the numbers you hear in 1a.10 11 12 13 14 1516 17 18 19 20 2122 23 24 25 26 2728 29 30 31 1d Listen again. Circle the things in the picture that Kate and her mom talk about. Check()the thing Kate buys. 1e Ask and answer questions about the things in

4、 the picture above.How much is the white bag? Its seventeen dollars. Language points1.基數(shù)詞（1）定義：表示數(shù)量的詞叫基數(shù)詞。（2）基數(shù)詞的表達(dá)。0-12的基數(shù)詞在拼寫時(shí)特別注意，分別記憶。13-19表示“十幾”的詞，要在個(gè)位后加-teen，單詞有兩個(gè)重音直接加-teen。如：14fourteen，16sixteen，17seventeen，19nineteen要個(gè)別記憶的有：13thirteen，15fifteen，18eighteen。20-90整十的基數(shù)詞要在末尾數(shù)后加-ty，但有些應(yīng)注意其拼寫。如：2

5、0twenty，30thirty，40forty，50fifty，60sixty，70seventy，80eighty，90ninety。 Language points從21-99“幾十幾”的詞，中間用連字符把個(gè)位數(shù)和十位數(shù)連起來(lái)。如：21twenty-one，25twenty-five，89eighty-nine。百位或百位以上的詞，通常在百位和個(gè)位之間用連字符。如：156one hundred and fifty-six。（3）基數(shù)詞一般和可數(shù)名詞連用，表示兩個(gè)或兩個(gè)以上事物的名詞用復(fù)數(shù)形式。2.容易混淆的拼法four(4)fourteen(14)forty(40)five(5)fift

6、een(15)fifty(50)eight(8)eighteen(18)eighty(80)twelve(12)twenty(20) Exercise一、單項(xiàng)選擇。1.Can I help you? _.I want a hat.A.Youre wele B.Yes,you canC.Yes,please D.No,yo cant2.Whats 35 in English? Its _.A.thirty-five B.thirty and five C.thirty five D.thirteen-five3.你決定買毛衣時(shí)，你對(duì)營(yíng)業(yè)員說(shuō)：_A.How much is it? B.Ill ta

7、ke it.C.I want a sweater. D.Here you are.C AB Exercise4.My T-shirt _ white and my shorts _ yellow.A.is;is B.are;are C.are;is D.is;are5.My jacket is _,I want a long one.A.small B.short C.big D.longDB Exercise二、句型轉(zhuǎn)換。1.The white pants are 88 yuan.(對(duì)畫線部分提問(wèn)). _ _ are the white pants?2.This sweater is 60.(改為復(fù)數(shù)句). _ _ _ 60. 3.Lisas shoes are yellow.(對(duì)畫線部分提問(wèn)). _ _ are Lisas shoes? 4.She wants a black bag.(改為一般疑問(wèn)句). _ she _ a black bag?How muchThese sweaters areWhat colorDoes want Homework1.Recite the numbers from 1 to 31.2.Practice the conversations in 1d and 1e. Thank you!