Section B

Period One

To learn to use passive voice to talk about how inventions were made

To learn new words and phrases: salty, sour, by mistake

ReviewReview

Words and expressions

Read the words and expressions loudly.

crispy salty sour

by mistake chef

sprinkle

adj. 脆的；易碎的adj. 咸的；含盐的adj. 酸的； 酸味的 错误地n. 厨师v. 撒（粉末状物）；洒（液体）

Words and expressions

Free Talk1. 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?

crispy and saltycrispy and salty

Describe how food tastes.Describe how food tastes.

potato chips

sour sour lemon

sweet Ice cream

sweetsweettea

sour

sweet sweet

crispy, salty

1a

sweet crispy salty sour

Fill in the blanks.

1b

sweet: ____________________________

crispy: ___________________________

salty: _____________________________

sour: _____________________________

banana, apple, soda, cake, honey

salad, lettuce,french fries

french fries, olives, pepperoni

pickle, grapefruit

Write the name of a different food after each word.

2a listen and circle “T” or “F”.

1. The 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.

TT

FF

TT

TT

FF

FF

_____________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__________.

The history of chipsThe history of chips

Did you know

were

invented

1853

were crispy

really salty

2b listen again. Complete the sentences.

Role play the conversation about the invention of the potato chips. Use the information from the activities above.

A: Did you know potato chips were invented by mistake?B: Wow, I didn’t know that. Who invented them?A: …

2c Pairwork

The potato chips were invented by mistak

e.

【经典习题】完成句子：很抱歉我错拿了你的书包。I’m sorry that I took your schoolbag

___ ______.

【要点点拨】 by mistake 意为“错误地”，常置于句末。

by mistake

【拓展延伸】 mistake 作名词时，还可构成短语： make a mistake 犯错误。mistake 还可用作动词，常用于 mistake

…for… 表示“把……误认为……”。如：I mistook Kate for her sister when I met

her yesterday.

课时重点回顾be invented by mistake, on the bag, back in 1853, one day, in the restaurant, send… back, a plate of fried potatoes, be cut too thick, in a bad mood, cut…really, really thin, ask for…, cook…a long time, sprinkle…on…, tell… about…, thinly-sliced, crispy, salty potato chips, a cool story

注 : 另附 word 文档。 点击此处链接

根据句意和首字母提示补全单词。1. There were four famous inventions in

a______ China.

2. These cars were p_______ by the

same company.

3. Don’t t_____ stones at the birds.

4. Few pears r________ on the trees after

the heavy rain.

5. I don’t like the t_____ of the meat.

ncient

roduced

hrow

emained

aste

Write a short passage about the history of your favorite food.

To preview the article who invented teaTo search more information about the history of tea