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Unit 4 When was it invented?
[00:07.36]Section A
[00:09.76]Language Goal
[00:11.54]Talk about inventions
[00:14.31]1a GROUPWORK
[00:17.59]Look at the things below.
[00:20.27]In what order do you think they were invented?
[00:24.94]Number them [1-5] (1 = first,5 = last).
[00:32.91]I think the calculator was invented
[00:36.38]before the computer.
[00:38.65]Well,I think the calculator was invented
[00:42.61]after the computer.
[00:45.29]1b Listen and match the inventions
[00:48.68]with the dates.
[00:51.25]Life must have been difficult when you were
[00:54.00]a kid.Oh,not really.Why do you say that?
[00:57.46]Well,you didn't have many modern inventions.
[01:00.42]Like,you probably didn't have a telephone,right?
[01:03.49]Of course we did!
[01:05.54]How old do you think I am?
[01:07.54]The telephone was invented in 1876.
[01:11.04]How about cars?
[01:12.69]I bet cars weren't invented yet.
[01:15.25]Sure they were.
[01:16.83]Cars were invented in 1885.
[01:20.31]My family had a car.
[01:22.10]I think you need to take a history class,Alice.
[01:24.80]Ha,ha!Well,did you have a TV?
[01:27.73]No,we didn't.
[01:29.42]The TV was invented around 1927,I think.
[01:32.79]Some friends of mine had one.
[01:34.78]But in those days,TVs were really expensive,
[01:37.41]and we couldn't afford one.
[01:39.10]And I bet you didn't have calculators
[01:41.47]and computers and stuff.
[01:43.42]That's something I do know.
[01:45.70]We learned in school that hand-help calculators
[01:48.73]were invented in 1971 and personal computers
[01:52.52]were invented in 1976.
[01:54.78]You're right.I didn't have those things
[01:57.16]when I was young.But I do now.
[02:01.34]1c PAIRWORK
[02:04.91]Student A,cover the dates.
[02:08.70]Student B,ask student A when the things
[02:12.70]in the picture above were invented.
[02:15.77]Then change roles and practice again.
[02:19.72]When was the telephone invented?
[02:23.72]I think it was invented in 1876.
[02:29.66]2a Listen and number the inventions
[02:33.25]in the order that you hear them.
[02:35.44]What are those?
[02:36.93]They're battery-operated slippers1.
[02:39.00]What are they used for?
[02:40.51]They're used for seeing in the dark.
[02:42.66]Oh,that's cool!
[02:44.77]Who were they invented by?
[02:46.84]Julie Thompson.
[02:48.39]And look at this heated ice cream scoop2.
[02:51.06]I know what it's for!
[02:52.82]It's used for scooping3 out really cold ice cream
[02:55.57]Right.It was invented by Chelsea Lanmon.
[02:59.30]My favorite are those shoes with adjustable4
[03:01.23]heels.
[03:02.25]You know-you can move the heels up and down.
[03:05.73]They were invented by Jayce Cozier
[03:07.65]and Jami Ellsworth.
[03:09.12]And what are they used for?
[03:10.86]Well,you can change the style of your shoes.
[03:13.82]You can make the shoes go from casual to dressy.
[03:17.63]2b Listen again.
[03:20.52]Match the inventions with their inventors
[03:23.78]and uses.
[03:25.12]What are those?
[03:26.78]They're battery-operated slippers.
[03:28.91]What are they used for?
[03:30.67]They're used for seeing in the dark.
[03:32.61]Oh,that's cool!
[03:34.75]Who were they invented by?
[03:36.50]Julie Thompson.
[03:38.25]And look at this heated ice cream scoop.
[03:40.71]I know what it's for!
[03:42.33]It's used for scooping out really cold ice cream
[03:45.43]Right.It was invented by Chelsea Lanmon.
[03:48.82]My favorite are those shoes
[03:50.40]with adjustable heels.
[03:51.99]You know-you can move the heels up and down.
[03:55.25]They were invented by Jayce Cozier
[03:57.30]and Jami Ellsworth.
[03:58.96]And what are they used for?
[04:00.63]Well,you can change the style of your shoes.
[04:03.68]You can make the shoes go from casual to dressy.
[04:07.75]2c PAIRWORK
[04:10.41]Role play conversations using the information
[04:14.89]in the chart above.
[04:18.59]What are they used for?
[04:20.84]They're used for seeing in the dark.
[04:25.07]Grammar Focus
[04:27.61]When was the car invented?
[04:31.24]It was invented in 1885.
[04:36.68]When were electric slippers invented?
[04:40.68]They were invented last year.
[04:43.92]Who were they invented by?
[04:47.26]They were invented by Julie Thompson.
[04:51.30]What are they used for?
[04:54.47]They're used for seeing in the dark.
[04:59.20]3a PAIRWORK
[05:02.66]Make a list of five helpful inventions
[05:06.25]and five annoying inventions.
[05:09.87]alarm clock
[05:11.79]light bulb
[05:14.01]microwave oven
[05:17.05]3b PAIRWORK
[05:20.77]Discuss your opinions in 3a with your partner.
[05:25.45]What do you think is the most helpful invention?
[05:30.89]I think the most helpful invention
[05:33.85]is the light bulb.
[05:35.40]Why is that?
[05:37.39]Well,it gives people more time to work
[05:40.94]and play every day.
[05:43.58]4 GROUPWORK
[05:46.57]Imagine that you are alone on a tiny island.
[05:51.54]Choose five inventions you would like to have
[05:55.02]on the island with you.
[05:57.73]Tell the group what you chose and why.
[06:02.59]I'd like to have a radio
[06:04.65]because I could listen to music all day.
[06:08.14]Yes,but that's not going to help you leave
[06:11.90]the island.
[06:13.17]I think it would be better to have...
[06:15.34]
收听单词发音 |
1
slippers
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| n. 拖鞋 | |
参考例句： |
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2
scoop
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| n.铲子，舀取，独家新闻；v.汲取，舀取，抢先登出 | |
参考例句： |
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3
scooping
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| n.捞球v.抢先报道( scoop的现在分词 )；（敏捷地）抱起；抢先获得；用铲[勺]等挖（洞等） | |
参考例句： |
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4
adjustable
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| adj.可调整的，可校准的 | |
参考例句： |
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