内容正文:
Unit 6
When was it invented?
Section B (1a-1e)
Learning goals
延迟符
1. To learn how to express different tastes.
2. To know how potato chips were invented.
3. To practice the listening skills.
Lead in
Enjoy a video and talk about what your favorite food is.
Presentation
How do they taste?
They taste …
sour
sweet
bitter
spicy
salty
crispy
sweet甜的
crispy脆的
salty咸的
How do they taste?
hot辣的
bitter苦的
red bayberries
peppers
sour酸的
Presentation
cookies
crispy
lemons
sour
sweet
candy
salty
ice cream
tea
delicious
awful
prune
Presentation
1a
The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word.
potato chips
lemons
ice-cream
salty eggs
sour
salty
sweet
salty
1b
Write the name of a different food after each word.
Presentation
sweet ____________________________
crispy ____________________________
salty ____________________________
sour ____________________________
banana
ice-cream
Beijing Duck
fried chicken
vinegar
candy
cookie
cheese
grape
Lead-in
Do you know how potato chips were invented?
Do you like potato chips?
1c. Listen and circle T for true or F for false.
While-listening
1. Potato chips were invented by mistake. T F
2. They were invented in 1863. T F
3. The customer thought the potatoes were not thin enough. T F
4. The customer said they were not salty enough. T F
5. George wanted to make the customer happy. T F
6. The customer was happy in the end. T F
错误地;无意中
n. 顾客;客户
设计意图:Let the students predict the answers before listening,in order to complete listening activities better.
操作建议:Let students read the sentences first and know the meanings..
1d. Listen again. Complete the sentences.
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 p