Unit 9 When was it invented?（Section B Period 3）

课件23张PPT。Section B: 1a-2cUnit 9 When was it invented? Period 3 sweet 甜的-How does it taste ( [teist] 品尝) ?
-It tastes…ice cream What is it called in English? -How does it taste?
-It tastes…English teaWhat is it called in English? sweet 甜的 sweet 甜的-How do they taste?
-They taste…What are they called in English?cookiessour-How do they taste?
-They taste…lemons
What are they called in English ?salty-How do they taste?
-They taste…crispy and salty-How they taste?
-They taste…potato chipsWhat are they called in English ?脆的,易碎的咸的,含盐的-How they taste?
-They taste…What are they called in English ?peppers hot 辣的-How do they taste?
-They taste…bitter a bottle of beer 一瓶啤酒What is this?sweetcrispysaltysweetsourbitter(苦的)Tell what they are and how they taste.potato chipslemonice creamtea1aWrite the name of a different food after each word.sweet __________banana apple orange cake sugar…crispy__________salty __________sour __________French fries salad lettuce popcorn pizza salt…lemon plum grape…1b-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 ? Why or why not? potato chipscrispy and saltyThe history of potato chipsListen and circle “T” (for true) or “F” (for false).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
T F
T F
T F
T F2aThe history of chips that potato chips were invented by mistake? Potato 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 knowwere1853were crispyreally saltyListen again. Complete the sentencesinvented撒（粉末状物）洒（液体）厨师2bAnswer the following questionsWho were the potato chips invented by?
2. When were they invented?
3. How were they invented?They were invented by George Crum.They were invented in 1853.They were invented by mistake. 1.我不喜欢吃巧克力.它尝起来太甜.2.妈妈添了盐但它仍然不够咸.3.我喜欢柠檬胜过桔子.我喜欢酸的味道.
4.他喜欢脆的饼干.他们是硬的,干的,易碎的.
5.薯片是错误地被发明的.6.顾客认为土豆不够薄.
7.George想使这个顾客高兴.8.最后(3个)
9.你知道薯片是错误地(无意地)发明出来的么?
10.薯片是被一名叫做George Crum的厨师在1853年发明的.11.他撒了很多盐在它们上面,因此它们很咸.12.他把薯片做了很长一段时间直到它们脆了.
13.甜的/酸的/苦的/辣的/咸的/美味的/脆的/厚的
14.一些发明家是有创造力的.他们创造了许多发明.
尽最大力,少错少改;
减少麻烦,节约时间.相信自己,一定可以;
为了过关,拼了!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 (make ) in that factory .
2. The Great wall 　(know) to the people all over
the word
3.They use knives (cut )things.
4.My clothes (wash ) once a week .
5.What`s it used for? For (keep) off the rain.
6. the books (write) in English?
Yes, they are.
7. I can`t decide which book (buy ).
8. They are busy (clean)the classroom.is madeis knownare washedto cutkeepingArewrittento buycleaningExercises1. Wood can be used for _________ (make) tables.
2. The jacket is ____(make) of cotton.
3. Where are Oranges _______ (grow)?
4. English is ______ (speak) all over the world.
5. Knives are used for _______ (cut) things.
6. Trees are _________ (plant) in spring. makingmadegrownspokencuttingplanted
1. Wood can be used for______ paper.
A. making B. to make
C. made D. make
2．-Do you think the light bulbs were invented _____?
–No, I don’t thing so.
A. by mistakes B. by mistake
C. for mistake D. with mistakesA B
1. 电拖鞋是什么时候发明的？
When _____ the electric ________ invented?
2. 它们是由谁发明的？
______ were they invented ______?
3. 妈妈加了盐，但它仍然不够咸。
Mom added salt but it still wasn’t _____ _______.wereslippersWhoby salty enough 1.Go over the history of chips in 2a & 2b and write a short essay about it.
2.Look for the invention of tea by the Internet or reading the books. Then copy the information on paper. HomeworkGoodbye!