Unit 4 When was it invented?
[00:07.40]Section B
[00:09.07]1a The words in the box describe how food tastes
[00:15.36]Write them under the correct pictures.
[00:18.96](Some pictures have more than one word.)
[00:21.79]sweet crispy salty sour
[00:29.68]1b Write the name of a different food
[00:34.16]after each word.
[00:36.34]2a Listen and circle "T"(for true) or "F "
[00:41.67](for false).
[00:43.85]Hey,did you know that potato chips
[00:46.26]were invented by mistake?
[00:47.76]Really?What do you mean?
[00:49.73]Well,here on the bag it says that
[00:52.13]they were invented by a chef called George Crum.
[00:55.08]When was that?Oh,it was back in 1853.
[00:59.33]So,why was it an accident?
[01:01.75]Well,one day a customer in the restaurant
[01:04.37]where George worked sent back
[01:06.21]his plate of fried potatoes
[01:07.81]because he said they were cut too thick.
[01:09.66]So,what happened?Well,George was in a bad mood,
[01:12.83]so he cut the potatoes really,really thin,
[01:15.65]and he cooked them for a long time
[01:17.71]until they were crispy.
[01:18.93]And he sprinkle lots of salt on them
[01:21.10]so they were really salty.
[01:22.96]He thought the customer would hate them.And?
[01:25.38]And the customer loved them and asked for more.
[01:28.21]He told the other customers about them,
[01:30.20]and soon everyone was ordering thinly-sliced,
[01:32.72]crispy,salty potato chips.
[01:34.67]And we're still eating them today.
[01:36.90]What a cool story! Yeah.
[01:40.08]2b Listen again.Complete the sentences.
[01:44.11]Hey,did you know that potato chips
[01:46.62]were invented by mistake?
[01:48.23]Really?What do you mean?
[01:50.17]Well,here on the bag it says that
[01:52.80]they were invented by a chef called George Crum.
[01:55.61]When was that?Oh,it was back in 1853.
[02:00.05]So,why was it an accident?
[02:02.42]Well,one day a customer in the restaurant
[02:05.14]where George worked sent back
[02:06.84]his plate of fried potatoes
[02:08.26]because he said they were cut too thick.
[02:10.31]So,what happened?Well,George was in a bad mood,
[02:13.62]so he cut the potatoes really,really thin,
[02:16.33]and he cooked them for a long time
[02:18.47]until they were crispy.
[02:19.61]And he sprinkle lots of salt on them
[02:21.92]so they were really salty.
[02:23.60]He thought the customer would hate them.And?
[02:26.40]And the customer loved them and asked for more.
[02:28.94]He told the other customers about them,
[02:31.09]and soon everyone was ordering thinly-sliced,
[02:33.70]crispy,salty potato chips.
[02:35.52]And we're still eating them today.
[02:37.88]What a cool story!Yeah.
[02:40.46]2c PAIRWORK
[02:43.66]Role play the conversation about the invention
[02:48.05]of potato chips.
[02:50.51]Use the information from 2a and 2b.
[02:56.30]Did you know potato chips were invented
[02:59.37]by mistake?
[03:00.77]Wow,I didn't know that.
[03:04.17]Who invented them?
[03:06.48]3a Read the article and write answers
[03:10.48]to the questions.
[03:13.00]Who invented tea?
[03:17.06]Did you know that tea,
[03:18.68]the most popular drink in the world(after water)
[03:22.88]was invented by accident?
[03:25.72]Although tea wasn't brought
[03:27.05]to the Western world until 1610,
[03:30.53]this beverage was discovered
[03:32.28]over three thousand years before that.
[03:36.29]According to an ancient Chinese legend,
[03:39.29]the emperor Shen Nong discovered tea
[03:42.06]when he was boiling drinking water over
[03:44.28]an open fire.
[03:46.32]Some leaves from a nearby bush fell into
[03:49.62]the water and remained there for some time.
[03:53.01]The emperor noticed that the leaves
[03:55.13]in the water produced a pleasant smell.
[03:58.43]Later he decided to taste the hot mixture.
[04:03.05]It was quite delicious.
[04:05.11]And in this way,
[04:06.52]one of the world's favorite drinks was invented.
[04:11.26]3b Write an article using the notes in the box.
[04:19.50]4a Think of something that you don't like doing.
[04:25.03]Then think of an invention that could help you.
[04:29.14]Write the details in the chart.
[04:33.16]4b PAIRWORK
[04:36.53]Imagine you are a business person.
[04:39.99]Ask your partner questions about his or her
[04:43.79]invention.
[04:45.53]Then try to sell your partner's invention to
[04:48.77]the class.
[04:50.32]This special pen was invented by Zheng Jie.
[04:55.35]It has three colors and it is used for...
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