Unit7How much are these socks?Section B (1a - 1e)1.翻译下列句子翻译下列句子.(1)这顶帽子多少钱？这顶帽子多少钱？ 它五美金。它五美金。(2)这双袜子多少钱？这双袜子多少钱？ 它们三美元。它们三美元。How much is the hat?It is five dollars.How much are the socks?Theyre three dollars.Revision0 1 2 3 4 5 6 7 8 9zero onetwo three fourfivesix seven eight nine2.Can you count them in English?11eleven12twelve13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteenPresentation20 twenty21 twenty- one22 twenty- two23 twenty- three24 twenty- four25 twenty- five26 twenty- six27 twenty- seven28 twenty- eight29 twenty- nine30 thirty31 thirty- oneCan you solve these problems? eight +nine = _. three + twelve = _. sixteen + thirteen = _. eleven + seven = _. nineteen + zero = _. thirty fourteen = _. twenty-one ten = _. twenty-six eighteen = _. nine eight = _. thirty-five twenty = _.seventeenfifteentwenty-nineeighteennineteensixteeneleveneightonefifteen11个足球个足球14个西红柿个西红柿23件衬衫件衬衫28只红袜子只红袜子35顶帽子顶帽子33个乒乓拍个乒乓拍45条短裤条短裤48件毛衣件毛衣57双绿鞋子双绿鞋子55个闹钟个闹钟eleven soccer ballsfourteen tomatoestwenty-three shirtstwenty-eight red socksthirty-five hatsthirty-three ping-pong batsforty-five shortsforty-eight sweatersfifty-seven green shoesfifty-five clocks把下列短语翻译成英文把下列短语翻译成英文10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty- one 22 twenty- two 23 twenty- three 24 twenty- four 25 twenty- five 26 twenty- six 27 twenty- seven 28 twenty- eight 29 twenty- nine 30 thirty 31 thirty- one Listen and repeat.1aWrite the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places?ten_ eleven_ twelve_ thirteen_ 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-one_101112131425262728292021222324151617181930311b基数词的表示方法基数词的表示方法1. 1. 英语中，表示数量的词叫基数词。英语中，表示数量的词叫基数词。2. onetwelve(1-12)2. onetwelve(1-12)的拼写和读音各不相同，无规律的拼写和读音各不相同，无规律可循，应逐一记忆。可循，应逐一记忆。3. thirteennineteen(13-19)3. thirteennineteen(13-19)表示表示“十几十几”，在个位数，在个位数词后加后缀词后加后缀- -teen,teen,读作读作ti:nti:n，单词有两个重音。还要，单词有两个重音。还要注意注意thirteen(13)thirteen(13)、fifteen(15)fifteen(15)和和eighteen(18)eighteen(18)在拼写上的在拼写上的差别之处。差别之处。Grammar 4. twentyninety(20-90) 4. twentyninety(20-90)表示表示“几十几十”， 几十的整十位数是在个位数后加后缀几十的整十位数是在个位数后加后缀-ty,-ty,读读titi。但要注。但要注意加了意加了-ty-ty之后，个位数上的听定就有变化。之后，个位数上的听定就有变化。egeg：twenty(20), twenty(20), thirty(30), forty(40), fifty(50).thirty(30), forty(40), fifty(50).5. 21-295. 21-29直到直到91-9991-99表示表示“几十几几十几”，用整数十位数加个位，用整数十位数加个位数，中间用连字符数，中间用连字符“- -”把整十位数加个位数，中间用连把整十位数加个位数，中间用连字符字符“- -”把整十位数和个位数连起来。把整十位数和个位数连起来。egeg：twenty-three(23); thirty-seven(37); twenty-three(23); thirty-seven(37); forty-five(45); fifty-two(52); sixty-one(61); forty-five(45); fifty-two(52); sixty-one(61); seventy-three(73); eighty-four(84); seventy-three(73); eighty-four(84); ninety-nine(99). ninety-nine(99). 6. one hundred 6. one hundred“一百一百”，表示，表示“一百一百” 用用a a hundredhundred。要表示。要表示200-900200-900，用，用“数词（数词（twotwo至至ninenine）+hundred+hundred”构成。在此结构中，无论构成。在此结构中，无论“几几百百”，hundredhundredhundredhundred都不能加都不能加都不能加都不能加-s -s -s -s变复数形式。变复数形式。7. hundreds of+7. hundreds of+复数名词或代词宾格是固定结构，表示复数名词或代词宾格是固定结构，表示“数以百计的数以百计的”、“成千上万的成千上万的”，是个模糊数字，不是，是个模糊数字，不是具体数字。在此结构中，具体数字。在此结构中，hundreds of hundreds of 前面不能加数词，前面不能加数词，hundreds of hundreds of 后面只能用复数名词或复数代词宾格形式。后面只能用复数名词或复数代词宾格形式。egeg：hundreds of teachers hundreds of teachers 成百上千的教师成百上千的教师 hundreds of the hundreds of them m 他他/ /她她/ /它们中数以百计的（人和物）它们中数以百计的（人和物）7. hundreds of+7. hundreds of+复数名词或代词宾格是固定结构，表示复数名词或代词宾格是固定结构，表示“数以百计的数以百计的”、“成千上万的成千上万的”，是个模糊数字，不是，是个模糊数字，不是具体数字。在此结构中，具体数字。在此结构中，hundreds of hundreds of 前面不能加数词，前面不能加数词，hundreds of hundreds of 后面只能用复数名词或复数代词宾格形式。后面只能用复数名词或复数代词宾格形式。egeg：hundreds of teachers hundreds of teachers 成百上千的教师成百上千的教师 hundreds of the hundreds of them m 他他/ /她她/ /它们中数以百计的（人和物）它们中数以百计的（人和物）10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Listen and circle the numbers you hear in 1a.1c Listen again. Circle the things in the picture that Kate and her mom talk about. Check () the thing Kate buys.1dHow much is the white bag?Its seventeen dollars. Ask and answer questions about the things in the picture above. 1eHow much is this ?Its dollars. 50 100 30 7 $5$ seven T-shirt sweater fifty shirt one hundred hat five How much are these ? Theyre $3$30$10$12$1$2Homework1. 1.熟记本课所学的数词。熟记本课所学的数词。2. 2. 背诵背诵1c1c听力材料。听力材料。