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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
2) 能掌握以下句型:
① Potato chips were invented by mistake.
② The customer thought the potatoes were not thin enough.
③Do you know how potato chips were invented?
2.能力:1)能听懂含有一般过去时态被动语态的简短对话。
2)能运用一般过去时态被动语态谈论历史上的发明。
3. 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。并乐于参加学习小组活动,积极合作。
2学情分析
1.经过前一个单元及本单元SECTION A对被动语态的使用和运用,孩子们已初步掌握了被动
语态,但在时态上仍有混淆的问题。通过本节课对薯条历史的学习,可以吸引学生们的兴趣,从
而达到高效率的学习。初三上学期学生有较明确的学习动机和态度,但注意力容易分散。本单
元通过多媒体课件和教师亲和力的语言,增强兴趣和注意力。
3重点难点
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) 阅读短文,获得相关信息,提高学生们的综合阅读能力。
2. 教学难点
1) 听力训练
2) 阅读2b部分的短文并完成相关要求。
4教学过程4.1 第一学时
4.1.1教学活动
活动1【导入】Ⅰ. Warming up
1. Let Ss watch an interesting picture.
2. Ask some questions about them.
1. What did they eat?
S1: Ice cream.
2. What did the big dog think of the ice-cream?
S2: Sweet, cool, and delicious!
Well let’s look at some other delicious food, please
活动2【讲授】Ⅱ. Talking
Work on 1a
1. Tell Ss that the words in the box describe how food can taste. Write them
under the correct pictures. Some pictures have more than one word.
2. Ss work with their partners and try to write some proper words under the
pictures.
3. Let some Ss read their answers. Try to remember the new words.
Work on 1b
1. Let some Ss read the adjective words in the box. Make sure they all know the
meaning of each word.2. Ss discuss with their partners. Try to write the name of a different food after
each word.
Learn the new words together:
活动3【活动】Ⅲ. Listening
Work on 1c
1. Tell Ss the conversation is about how the potato chips were invented. The story
is very interesting.
2. First, let one 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.
3. 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, T
4. Listen and answer the questions.
1. Who invented potato chips?
2. When were they invented?3. What did the custom order at the restaurant?
4. What did the custom think of the potato chips George cooked at first?
5. How did George cook the potatoes then?
Work on 1d
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 Chips
Do 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
活动4【活动】Ⅳ. Pair work
1. Work in pairs. Make a conversation about the invention of potato chips. Use
the information in 1c and 1d.
2. Ask some pairs to act out their conversation in front of the class