Unit 6 When was it invented Words and

Unit 6 When was it invented?

Words and expressions adj. 脆的；酥脆的 /'krispi/ adj. 咸的 /'sɔ: lti/ adj. 酸的；有酸味的 /'sauə(r)/ 错误的；无意的 n. 顾客；客户 /'kʌstəmə(r)/ 奥林匹克运动会 /ə'limpiks/ Spicy 辣的 bitter 苦的 sweet crispy salty sour by mistake customer the Olympics

Sweet food

salty food

Sour food

Crispy food

1 a The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. sweet crispy _____ salty _____ crispy salty _____ sour _____ sweet sour _____ salty

1 b Write the name of a different food after each word. sweet ____ banana crispy ____ biscuit potato chips salty ______ sour ____ orange

1 c Listen and circle T for true or F for false. 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

Listen and answer the questions. 1. Who invented potato chips? They were invented by a cook called George Crum. 2. When were they invented? In 1853. 3. What did the customer order at the restaurant? He ordered a plate of fried potatoes.

4. What did the custom think of the potato chips George cooked at first? He thought they were cut too thick. 5. How did George cook the potatoes then? He cut the potatoes really, really thin and cooked them for a long time until they were crispy. And he put lots of salt on them so they were really salty.

Language Points 1. salty 咸 的 salty (tasting of salt) 形容词，意为“咸的； 含盐的”，是由名词salt(盐)加后缀-y构成的。 ►The soup is a little salty for me. 汤对我来说有点咸了。 名词+后缀-y构成的形容词： luck—lucky health—healthy wind—windy rain—rainy taste — tasty ice —icy snow —snowy sun—sunny

2. Potato chips were invented by mistake. 薯条是无意中被发明的。 by mistake意为“错误地; 无意中”。 ►Maybe somebody took it by mistake. 可能有人错拿了它。

1 d Listen again. Complete the sentences. The History of Potato Chips Do you know how potato chips were invented? Potato chips _______by a cook called were invented 1853. George Crum. They were invented in _____ George Crum cut the potatoes really, really ______ thin and then cooked them for a long time crispy Finally he put lots of until they were _______. really salt on them so they were _____.

I. 单项选择。 1. (2013 • 南宁) Don’t drink the soup. It smells D _____. A. nice B. delicious C. salt D. terrible

2. (2013 • 齐齐哈尔）The Great Green Wall can stop the wind and sand _____ C to the rich land in the south of China. A. move B. to move C. from moving B two 3. Miss Wang divided her students _____ groups. A. for B. into C. at D. from

B I didn’t even 4. I took the wrong train ______. know it until half an hour later. A. by mistakes B. by mistake C. with mistake D. with mistakes 5. I found the key ______ B when I was cleaning the room. A. with accident B. by accident C. with mistake D. by mistake

II. 用所给词的适当形式填空。 1. Now computers are widely used in our daily (day) lives. ______ 2. He mentioned _____ hearing (hear) from her often. salty (salt) because my 3. The soup is very _______ salt (salt) on it. mother put lots of _____ popularity ( popular ) of 4. Since then, the ______ basketball has risen quickly. nearly 5. I have worked here for _______(near) two years.

summary

Homework 1. Read the text again. Try to conclude the passage with your own words. 2. Memorize the new words and expressions in this lesson.