内容正文:
Section B (1a~1e)
When was it
invented?
Unit 6
1
1. 能够听懂有关食物的发明史的对话。
2. 能够运用一般过去时的被动语态谈论美食的发展
历史。
3. 通过了解对人类有意义的发明,开阔学生的眼界,
养成勤于思考,善于发现的好习惯。
重点
Teaching aims
重点
While-listening
Summary
Post-listening
Warming-up
Pre-listening
2
Watch and answer
1. What kind of food can you see in this video?
Burger, salad, fried chicken sandwich, chicken wrap and fries.
2. What is Tony’s favorite food? How does it taste?
It is the chicken wrap. It tastes sweet and spicy.
Warming-up
While-listening
Summary
Post-listening
Pre-listening
1. What kind of food does Tony also like?
2. How does it taste?
Look and say
While-listening
Summary
Post-listening
Pre-listening
Warming-up
sweet
crispy
sour
salty
hot/spicy
4
Brainstorm
Food Flavor
apple, cake
sweet; soft
Can you think of more food and flavors?
chocolate
potato chips
cheese, salted fish
lemon, grape, plum
…
bitter
crispy, hot
salty
sour
…
While-listening
Summary
Post-listening
Pre-listening
Warming-up
5
Look, ask and answer
—What kind of food do
you like?
—I like apples.
—How do they taste?
—They taste sweet. What
about you?
…
While-listening
Summary
Post-listening
Pre-listening
Warming-up
6
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 customer was happy in the end.
Read and predict
While-listening
Summary
Post-listening
Warming-up
Pre-listening
1. What are they talking about?
2. Where may the story happen?
Tip: You can predict the conversation based on the picture
and key words.
7
Look and discuss
While-listening
Summary
Post-listening
Warming-up
Pre-listening
Do you know how to make potato chips?
1
2
The potatoes are cut very thin.
3
4
They are cooked for a long time.
Some salt is put on them.
They become
crispy.
8
L