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1、Unit 7How much are these socks? Section A (Grammar Focus3c) 【备选要点【备选要点】How much is the hat? 这顶帽子多少钱这顶帽子多少钱? How much are those black trousers? 那些黑色的裤子多少钱那些黑色的裤子多少钱? 【句型剖析【句型剖析】询问价格常用疑问句型询问价格常用疑问句型How much. . . ? 意为意为“多少多少钱钱? ”其同义结构其同义结构: Whats the price of. . . ? Whats the price of the pen? 这支钢笔的价格是
2、多少这支钢笔的价格是多少? 【归纳拓展【归纳拓展】购物用语小结购物用语小结 (1) Clerk (店员店员) 常用语常用语: Can I help you? /What can I do for you? We have sweaters in many colors. What color do you want? Here you are. Youre welcome. (2) Customer (顾客顾客) 常用语常用语: Yes, please. I want a/an. . . No, thanks. How much is it? /How much are they? Ill t
3、ake it/them. 【学以致用【学以致用】翻译句子翻译句子要我帮忙吗要我帮忙吗? _这件夹克衫多少钱这件夹克衫多少钱? _这副眼镜多少钱这副眼镜多少钱? the glasses? 答案答案: Can I help you? /What can I do for you? How much is the jacket? How much are基数词基数词【观察领悟【观察领悟】仔细观察例句仔细观察例句, 体会并写出基数词的构成规律。体会并写出基数词的构成规律。1. I have four pens, five pencils, six erasers and twelve books. (
4、112的基数词无规律的基数词无规律) 2. Thirteen boys and eighteen girls are in the classroom. (十三十三到十九到十九, 七个词词尾都有七个词词尾都有teen) 3. Twenty and thirty is fifty. (从二十开始从二十开始, 整十位数二十到九整十位数二十到九十十, 八个词词尾都有八个词词尾都有ty) 4. The trousers are twenty-seven dollars. (表示几十几的数字表示几十几的数字, 两词中间加两词中间加-) 【知识构建【知识构建】1.基数词的表达法基数词的表达法数字数字基数词
5、形式基数词形式例词例词012各自独立各自独立zero 0; one 1; nine 9; twelve 12131939+重读重读teen结尾结尾特殊特殊: thirteen 13; fifteen 15; eighteen 18一般一般: fourteen 14; sixteen 162090整整十位数十位数以以ty结尾结尾twenty 20; thirty 30; forty 40; fifty 50; sixty 60; seventy 70; eighty 80; ninety 90两位数两位数 (几十几几十几)整十位数整十位数-个位数个位数twenty-one 21; thirty-
6、five 35; ninety-eight 98【巧学妙记【巧学妙记】基数词不难记基数词不难记, 找清规律很容易找清规律很容易, 十二以内词各异十二以内词各异; 十三十三数到十九去数到十九去, 后加后加teen莫忘记。二十、三十莫忘记。二十、三十至九十至九十, 整十整十之后有之后有ty; 个位到十位个位到十位, 中间连字符中间连字符 (-) 别忘记别忘记, 十位到百位十位到百位, 中间中间and别忘记。别忘记。2.基数词的用法基数词的用法(1) 基数词只能修饰可数名词基数词只能修饰可数名词, 要注意数词和名词在数上要保要注意数词和名词在数上要保持一致。持一致。two cups两个杯子两个杯子t
7、wenty apples二十个苹果二十个苹果(2) 表示编号时表示编号时, 用用“事物事物+基数词基数词”。例如。例如: Class Four四班四班Room 302302房间房间(3) 表示年龄。表示年龄。He is forty years old. 他四十岁了。他四十岁了。(4) 表示时刻。表示时刻。5: 34读作读作five thirty-four9: 28读作读作nine twenty-eight【学以致用【学以致用】用英语写出下列基数词用英语写出下列基数词1. 2 3 5 2. 1512 13 3. 2040 78 答案答案: 1. two; three; five2. fiftee
8、n; twelve; thirteen3. twenty; forty; seventy-eight. 用所给词的适当形式填空用所给词的适当形式填空1. My clothes (be) red and white. 2. These trousers are good. Ill take (they) . 3. How much (be) the chicken? 4. What colorshe (want) ? 5. I dont know the two (woman) . 答案答案: 1. are2. them3. is4. does; want5. women. 单项选择单项选择1.
9、 Are those your shorts? Yes, . A. they areB. that isC. it isD. I am2. I want to buypants. A. aB. this C. these D. that3. Can I help you? . I need a basketball. A. No, thanks B. Yes, pleaseC. Yes, you canD. No, you cant4. The hat is nice, but its toofor me. I like a small one. A. smallB. big C. dearD. cheap5. I ll take this one. Thank you very much. . A. Here you are B. Youre welcomeC. Thank you, too D. Not thanks