人教版九年级英语下册nit9Whenwasitinvented.SectionB课件7

1、unit 9when was it invented?period 5 section b 1a-1ehow do they taste? crispysaltythey taste crispy.they taste salty.crispythey taste hard and crispy.sourthey taste .sweetsoftthey taste .bitter it tastes .vthey taste very hot.new wordsvcrispy /krispi/ adj. 脆的；酥脆的脆的；酥脆的vsour /sau(r)/ adj. 酸的；有酸味的酸的；有酸

2、味的vby mistake 错误地；无意中错误地；无意中vcustomer /kstm (r)/ n. 顾客；顾客；客户客户根据句意及首字母提示完成单词。根据句意及首字母提示完成单词。v1. i dont like lemons because they are too s . v2. lucy and lily are twins. people often m them for each other.v3. for a restaurant, c are the most important.v4. the fish was too s because my mom put too muc

3、h salt on it.v5. we often put the food into the vf to keep it fresh in summer.ouristakeustomersaltyridge1a. fill in the blanks with the words given.soursweet, crispy, salty, soursalty crispy sweetsalty1b. write the name of a different food after each word.sweet: crispy:salty:sour:candy, banana, appl

4、e, cakepotato chips, salad, biscuitsalt, pizza, french fries grape, lemon, pickle 1c. listen and circle “t” or “f”.1. potato chips were invented by mistake. 2. they were invented in 1863. 3. the customer thought the potatoes werent thin enough. 4. the customer said they werent salty enough. 5. georg

5、e wanted to make the customer happy. 6. the customer was happy in the end. tftfft the history of potato chips did you know that potato chips were invented by mistake? potato chips _ by a cook called george crum. they were invented in _. george crum cut the potato chips really, really thin and cooked

6、 them for a long time until they _. and he put lots of salt on them so they were _. were invented1853were crispyreally salty1d . listen again and complete the sentences. vpotato chips were invented by mistake. they were invented by a cook called george crum. one day a customer thought the fried pota

7、toes werent thin enough and werent salty enough. so george cut them really thin and cooked them for a long time until they were crispy. and he put a lot of salt on them so they were salty. 归纳听力材料大意，改写成短文归纳听力材料大意，改写成短文1e . pair work a: did you know potato chips were invented by mistake?b: wow, i didn

8、t know that. who invented them?a: it was invented by a cook called geroge crum.explanation 1. potato chips were invented by mistakes. mistake 作名词作名词 “错误，误会错误，误会”。也可以作动词。也可以作动词 “弄错，犯错弄错，犯错”。常见形式有：。常见形式有：make a mistake 出错出错e.g. you have made a mistake here.mistakefor 错把错把当作当作 they mistook him for his

9、brother. by mistake 错误地错误地 e.g. they sent the letter to me by mistake. 2. geroge wanted to make the customer happy. make表示表示“使使怎么样怎么样”，其后常带复，其后常带复合宾语。常见结构为：主语合宾语。常见结构为：主语+make+宾语宾语+名词名词/形容词形容词(做宾补做宾补)。例如：。例如：the boss can make the young man a rich man.3 复合名词复数的构成复合名词复数的构成vpotato chips是一个复合名词，其中第一个名词是

10、一个复合名词，其中第一个名词用作定语修饰后一个名词，这样的例子有很多，用作定语修饰后一个名词，这样的例子有很多，又如又如: alarm clock, telephone number等。等。v知识拓展知识拓展v复合名词变复数的规则，你一定要牢记啊！复合名词变复数的规则，你一定要牢记啊！v通常只把主体名词变为复数通常只把主体名词变为复数vschool boyschool boys(男生男生) vapple treeapple trees(苹果树苹果树) vvegetable sandwichvegetable sandwiches(蔬菜三明治蔬菜三明治) vgirl friendgirl fri

11、ends（女朋友）（女朋友）v如果没有主体名词，在最后一个名词上用如果没有主体名词，在最后一个名词上用复数。复数。vgood-for-nothinggood-for-nothings（饭桶、无用的人）（饭桶、无用的人）vthree-year-oldthree-year-olds（三岁的（三岁的孩子）孩子）v由由man, woman和另外一个名词构成的复和另外一个名词构成的复合名词，两个部分都要用复数。合名词，两个部分都要用复数。vman teachermen teachers(男教师男教师)vgentleman farmergentlemen farmers （乡绅）（乡绅）exercise

12、v1.顾客最后终于高兴了。顾客最后终于高兴了。vthe customer was happy .v2.这个顾客说这个薯条不够脆。这个顾客说这个薯条不够脆。vthe customer said that the potato chips werent .v3.乔治想让顾客高兴。乔治想让顾客高兴。vgeorge wanted the customer .in the endcrispy enough to make happyv4.薯条是一个名薯条是一个名crum的厨师发明的的厨师发明的vthe potato chips by a cook crum.v5. 昨天这个厨师往鱼上面撒了许多盐。昨天这个厨师往鱼上面撒了许多盐。vthe lots of salt the fish yesterday. were invented calledcook put on用所给词的正确形式填空。用所给词的正确形式填空。 1. the tv _ (invent) around 1927.2. they are used fo