九年级英语上册unit9_sectionA(3a-4)sectionB(1a-2c)

Section B: 1a-2c

What’s this ? A: What is the _______ used for? B: It is used for Watching the ___________.time (watch the time)

What are they used for?

light bulbs

They are used for giving light.

A: What is the _______ used for? B: It is used for Studying ___________. (study andplaying games

play games )

A: What is the _______ used for? B: It is used for Counting numbers ___________.(count numbers )

alarm clock

It’s an annoying invention. Because it wakes me up when I’m sleeping.

I think computer is the most helpful invention. Because it helps me search the information that I need.

-How does it taste ( [teist] 品尝) ?-It tastes…What is it called in English?

sweet 甜的ice cream

-How do they taste?-They taste… What are they called in English ?

sour

lemons

-How do they taste?

-They taste…

salty

-How they taste? -They taste… What are they called in English ? crispy and salty脆的,易碎的 咸的,含盐的

potato chips

-How they taste? -They taste… What are they called in English ?

hot 辣的peppers

1a Tell what they are and how theytaste.potato chips

lemon

crispy saltyice cream

sourtea

sweet

sweet bitter(苦的

1b

Write the name of a different food after each word.

banana apple sweet __________ orange cake sugar…French fries crispy__________ salad lettuce

popcorn pizza salty __________ salt…

lemon plum sour __________ grape…

-What kind of food do you like?I like food that tastes…salty 咸的,含盐的 sweet 甜的 crispy 易碎的,脆的 sour 酸的,酸味的 bitter 苦的 hot 辣的 awful 糟糕的 nice 好的 delicious 美味的

Do you like potato chips? Why or why not?

crispy and salty

The history of potato chipsWhen were potato chips invented? Who were potato chips invented by? How were potato chips invented?

2a

Listen and circle “T” (for true) or “F” (for false).T T T F F F

1.Potato chips were invented by mistake. 2.They were invented in 1863. 3.The customer thought the potatoes weren’t thin enough. 4.The customer said they weren’t salty enough. 5.George wanted to make the customer happy. 6.The customer was happy in the end.

T T T

F F F

2b

Listen again. Complete the sentences

The history of chips

that potato chips were invented by mistake? Potato chips were invented _______by a chef called George Crum. They were invented in 1853 .George Crum cooked them for a long time until they . Andwere crispy lots of salt on them so he sprinkled really salty they were .Did you know厨师撒(粉末状物)洒(液体)

Answer the following questions 1.Who were the potato chips invented by?They were invented by George Crum.

2. When were they invented?They were invented in 1853.

3. How were they invented?They were invented by mistake.

达标练习：一、用所给动词的适当形式填空(50分)。 1. This kind of TV set is made (make ) in that factory . 2. The Great wall is known (know) to the people all over the wor

d 3.They use knives to cut (cut )things.

4.My clothes are washed (wash ) once a week . 5.What`s it used for? For keeping (keep) off the rain. 6. Are the books written (write) in English? Yes, they are.7. I can`t decide which book to buy (buy ). 8. They are busy cleaning(clean)the classroom.

A 1. Wood can be used for______ paper. A. making B. to make C. made D. make2.-Do you think the light bulbs were B invented _____? –No, I don’t think so. A. by mistakes B. by mistake C. for mistake D. with mistakes

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