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1、Unit 9 When was it invented? Section A (1a-4)学习目标：1熟记本节单词及短语 2会利用被动语态熟练对话 【预习导航】 找出下列短语并熟记。1. 最后_ 2. 错误地_ _3. 薯片_ 4. 把盐撒到上_5. 不够咸_ 6 偶然地_ _ 7.使顾客高兴 认定目标：教师读出1、被动语态构成： 助动词be的各种形式：一般过去时态 一般现在时态 一般将来时态 现在完成时态 现在进行时态 一般过去时态的被动语态构成： 一般现在时态的被动语态构成： 含有情态动词的被动语态构成： 完成下列句子：10.Teenagers should (allow) to choo
2、se their own clothes.2)My son (not allow) to watch TV every night.3)The flowers (water) by the students yesterday.2、.学习1a,1bSay out some sentences that are the passive voice(被动语态).Which group can do it best?eg: the telephone-1876 The telephone was invented in 1876. 3、pairwork: 两两练习对话，达到熟练对话。归纳总结1. s
3、alty adj. 咸的 salt n. 盐2. by mistake 错误地 如： I took the umbrella by mistake. 我不小心拿错了雨伞。3. make sb./sth. +形容词 使怎么样 It made me happy. 它使我高兴 make sb./sth. +名词 让做 It made me laugh. 它让我发笑4. by accident 意外 偶然 I met her by accident at bus stop. 我在公共汽车站意外地见到了她。5. notuntil 直到才做 如：I didnt go to bed until I fini
4、shed my work. 我直到完成我的工作才去睡觉。达标测试用适当形式填空1. He told us that the Jet plane_ _(invent) in19302. When _ the Great Wall _ (build)?3. Batteries are used for_(see) in the dark4. Who_ they _ (invent) by?拓展提高按要求改写下列句子1 The helicopter was invented in1990 （对划线部分提问） _ _the helicopter _?2 Someone turned down the
5、television just now （改为被动语态） The television _ _ down just now3 English is spoken as a second language in many countries（改为被动语态）People _ _ as a second language in many countries4 The glass is used for keeping water hot（改主动语态）They _ the glass_ keeping water hot5 .I think the most helpful invention is
6、the light bulb（对划线部分提问）_ _you think _the most helpful invention?6.The teacher gave the students some books.(改写句子) The teacher some books the students.Unit 9 When was it invented? Section B (1a-2C)【学习目标】：1、复习运用一般过去时的被动语态。2、学习掌握该部分要求四会的单词：crispy, salty, sour, by mistake, sprinkle 3、学习有关一些食物味道的词汇，并就某种味
7、道想出相对应的食物名称。4、进行听力训练，归纳信息，了解薯片的发明历史。 【预习导航】 找出下列短语并熟记。1.最后_ 2.错误地_ _3.薯片_ 4.把盐撒到上_5.不够咸_ 7.使顾客高兴 【认定目标】教师读出【自主探究】 1.1a在每幅图下填写描述食物味道的形容词，可以多填。2.1b在每个描述味道的形容词后填写相应的食物名称。3.2a听力，判断正误。4.2b听力，完成句子。5.2c 对话练习。【归纳总结】1. salty adj. 咸的 salt n. 盐2. by mistake 错误地 如： I took the umbrella by mistake. 我不小心拿错了雨伞。3. m
8、ake sb./sth. +形容词 使怎么样 It made me 它使我高兴 make sb./sth. +动词原型让做 It made me 它让我发笑4. by accident 意外 偶然 I her at bus stop. 我在公共汽车站意外地见到了她。5. notuntil 直到才做 如：I go to bed I finished my work. 我直到完成我的工作才去睡觉。【达标测试】 一、用适当形式填空1. He told us that the Jet plane_ _(invent) in19302. When _ the Great Wall _ (build)?3
9、. Batteries are used for_(see) in the dark4. Who_ they _ (invent) by?二、选择填空1. Whos the little boy in the photo?-Its me. This photo _ ten years ago.A. takes B. is taken C. took D. was taken2. It is reported that the underground Line No.3_ in our city in 2010.A. will build B. has built C. will be buil
10、t D. has been built3. Do you plant trees in spring?-Yes. Many trees _ in our city every year.A. are planting B. are planted C. were planted D. plant4.A stamp is used for _ a letter.A.send B. sends C. sending D.sent5.I think the most helpful _ is the light bulb.A.inventions B. invention C. invented D
11、. inventor三、不看课本完成短文Did you know that potato chips were invented by _? Potato chips were _ by a chef _ George Crum. They were invented _ 1853. George Crum cooked them for a long time _ they _ _. And he _ lots of salt _ them so they were really _.Unit 9 When was it invented? Section B 3A-Selfcheck 【学
12、习目标】：1. 通过听力练习学会谈论物品的由来和性质2. 提高听说技能 【预习导航】 从3a课文中找出下列单词，句子，并抄写在汉语意思之后1.最受欢迎的饮料 ，2.偶然地 ，3.三千多年 ，4.根据 ，5.古老中国的传说 ，6. 落入 【认定目标】教师读出 【自主探究】 1.3a 阅读短文，回答问题。2.3b 用所给提示写短文3.4a 完成表格4.4b对话练习5.Selfcheck【归纳总结】1. by accident 意外 偶然 I her by accident at bus stop. 我在公共汽车站意外地见到了她。2. notuntil 直到才做 如：I go to bed I finished my work. 我直到完成我的工作才去睡觉。3. according to +名词 根据 如： accor
