英语人教版九年级全册Unit6 Section B(1a-1e) .docx

Unit6 When was it invented? Section B 1 (1a-1e)1、 教学目标：1. 语言知识目标：1)能掌握以下单词：crispy, salty, sour, by mistake, customer, thick 2)能掌握以下句型：Potato chips were invented by mistake.George wanted to make the customer happy.The cook cut the potatoes really thin.The customer thought the potatoes were not thick enough.He put lots of salt on them so they were really salty.2. 情感态度价值观目标：了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，养成勤于思考，善于发现的好习惯，培养学生的创造精神。二、教学重难点1. 教学重点：1) 掌握本课时出现的生词及用法。2) 进行听力训练，提高综合听说能力。3) 能够结合生活所需进行创造，并写出来。2. 教学难点1) 听力训练2) 知识的运用三、教学过程. Warming up1. Let Ss guess what the teacher like best.2. Show Ss the pictures and present new words and expressions, such as potato chips, thick, and thin by asking “What do they look like?”. Presentation 1. Ask Ss “What do they taste?” And present sweet, crispy, bitter, and salty and so on.2. Show Ss my opinion and make them say out their own opinions:Ilike _ best, because it tastes/they taste_.3. Show Ss the picture of KFC and present customer and leading the listening. Listening1. Make Ss read the picture here and know that the conversation is about how the potato chips were invented. The story is very interesting.2. First listening, make them listen to choose the correct answers. (The assignment given is according to the listening material.)1. How were potato chips invented? They were invented _.A. by accident B. by mistake C. on purpose2. When were they invented? They were invented in_.A. 1863 B. 1853 C. 18433. Who were they invented by?A. George Crum B. George Green C. George Brown3. Second Listening. Let Ss read the sentences in 1c. Make sure they know the meaning of each sentence.1. Potato chips were invented by mistake.2. They were invented in 1863.3. The customer thought the potatoes were not thin enough.4. The customer said they were not salty enough.5. George wanted to make the customer happy.6. The custom was happy in the end.4. Play the recording for the Ss. Listen for the first time. Play the recording again and judge T or F.Keys: T, F, T, F, F, T5. Work on 1d (Third listening)1. Let Ss read the article in 1d first. Tell Ss to listen again and fill in the blanks with the right words.2. Play the recording again for the Ss to listen and write the words.The History of Potato ChipsDo you know how potato chips were invented? Potato chips _ by a cook called George Crum. They were invented in _.George Crum cut the potatoes really, really _ and then cooked them for a long time until they were _. Finally he put lots of salt on them so they were _.Keys: were invented, 1853, thin, crispy, really, salty. Group work1. Work in groups of four to retell the history of potato chips. Production1. T: There are many inventions in our daily life. And the small inventions have greatly changed our life. I really want to make potato chips by myself. But it is difficult for me to cut the potatoes thin. So I invented this. Just show them the small invention to give them an example. Then make them to “Think ofsomething that you do not like to do or cant do. Then think of an invention that could helpyou. Make notes like this,Problem: _New invention: _What it is used for: _Who: _”.2. Give a short introduction of the invention.Hello, everyone! I am _. Thi