1. Unit 9 When was it invented ?
Section B 1a-2c

2. Talking---4 1.Do you like food, fruit and drink?
2.What kind of food, fruit and drink do you like best?----please write them out.
3.Can you describe the tastes of them?
4.first let’s learn some new words , then finish 1a and 1b.

3. New words---8 1.crispy<>脆的；易碎的 2.salty<>咸的；含盐的
3.sour<>酸的；酸味的
4.by mistake<>错误的
4.chef<>大厨
5.sprinkle<>撒；洒
6.customer ?
7. lemon 柠檬
8.in a good (bad) mood ？

4. Name ---tastes
ice cream
lemon
sweet
sour, sweet

5. Name ---tastes
tea
potato chips
sweet
crispy, salty

6. Please finish 1a and 1b. Writing----1a----adj

7. 1b---writing Write the name of a different food after each word.
Sweet—banana
Crispy
Salty
Sour
Cake, candy, sugar,-----French fries, salad, biscuit,
Salt, chicken, biscuit, grape, strawberry, pickle

8. Who was it invented by?
Let’s learn 2a and see Who was it invented by?

9. Talking and listening---2
1.Look at the picture in 2a and guess when, where ，who and how chips are invented.
2.Words:
in a bad mood,
thick—thin,
customer,
sprinkle,
hate ,
by mistake,
by accident:

10. 2a Listen and circle “T” (for true) or “F” (for false).
The potato chips were invented by mistake.
They were invented in 1863.
The customer thought the potatoes weren’t thin enough.
The customer said they weren’t salty enough.
George wanted to make the customer happy.
The customer was happy in the end.
T F
T F

11. The history of chips . Did you know 1853 were crispy really salty
that potato chips were invented by mistake? Chips by a chef called George Crum. They were invented in George Crum cooked them for a long time until they And he sprinkled lots of salt on them so they were .
Did you know
were invented
1853
were crispy
really salty

12. Pairwork---4 who---when---where---how---?
read the listening material and then role play the convention:
Did you know potato chips were invented by mistake?
Wow, I didn’t know that, ………
who---when---where---how---?