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视频课题：人教版高中英语选修八Unit 5 Meeting your ancestors Listening and speaking 河北省优课
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Listening and speaking
Topic: ____________
【学习目标】
To practise listening skills
To learn to make assumption and describe things
To talk about archaeological evidence and knowledge
【阅读及检测】
Vocabulary:
archaeology, archaeologist, civilization, remains, layer, radioactivity, carbon
【要点精讲及典型例题】
Listening
Part 1 (2 times)
Fill the layers in the
“wastepaper basket” diagram.
yogurt pots
Part 2 (2 times) complete the passage.
It uses radioactivity(放射性) to measure the ________ of carbon in living things. The _________ in a dead body _________at a fixed(固定的) rate. We know how long that takes, so we can _________ the amount of carbon and work out ____ ____ a bone is.
Speaking
Task 1 Learn to make assumption(假设)
The following picture shows buildings of the same place at different times. According to what you have learned, discuss in groups which house is the oldest? Give your reason.
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The oldest _______
The second oldest ________
The most recent ________
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Useful words: layer, remains(残骸，遗迹)
Useful expressions:
Perhaps the oldest building is … because…
Probably the second oldest building is…because…
It seems that the most recent building is…because…
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Task 2 Learn to describe
Useful expressions:
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【作业】 Pay a visit to the Ancient Stone Dragons in your holiday, and learn about the history of Han Dan and the dragon culture there.
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Unit 5 Meeting your ancestors Listening and speaking
Teaching aim:
To practise listening skills
To learn to make assumption and describe things To talk about archaeological evidence and knowledge
Procedure:
Step 1: Lead in
Lead the students to the topic through a guess game.
Give the students some related words, and ask them to guess the topic “archaeology”: ancestors, remains, carbon, history, ancient culture, explore, old civilization, layers of the ground, objects under ground, grave, years taking.
Introduce some new words to the students, and briefly talk about the archaeologist’s work.
Step 2: Listening
The listening text is about the two dating methods the archaeologists use to date the objects. It contains two parts. The exercise in part 1 is for extensive listening; the exercise in part 2 is for intensive listening. Part 1
Give the students some time to read chart.
Listen to part 1, and fill in the layers in the wastepaper basket. Listen again, and check the answers
T: What have you learned from this part?
S: The archaeologist takes the wastepaper basket as an example in order to explain the layer method. Different layers may show the date of the objects. Part 2
Listen to this part twice, and fill in the missing words while listening. Check the answers.
T: What have you learned?
S: There are two dating methods. The first one is the layer method. The second one is radiocarbon dating, which is to measure the amount of carbon in the dead body.
Step 3: Speaking
Task 1 Learn to make assumption
Group discussion: These buildings were built at the same place at different times. Please work out the chronological order of the buildings in the picture.
Since you are not sure about it, you should use the assumption.
Eg. Perhaps…
Probably… It seems that…
Ask the students to think of more sentence patterns to express assumption. It’s likely that… Maybe…
Chances are that…
There’s a good chance that…
Practise using the assumption to explain the reason. Task 2 Learn to describe
Group work: Write down at least three questions you would like to ask about the Ancient Stone Dragons.
Choose someone to write different questions on the blackboard.
Group work: Try to answer the questions. If you are not sure, you can just make assumption.
Give the students some useful expressions: It looks like…
It’s in good/bad condition.
It is…in length/in height/in weight. It’s as long/tall/heavy as… It measures…long/high/wide. It may date back to… It might be used as/for… It could serve as…
Step 4 Summary
By studying the Ancient Stone Dragons, we can learn about the dragon culture in the small village of Jiangyao. However, its cause remains a mystery. The Ancient Stone Dragons are one of the many archaeological discoveries in Handan, which we all know is a city with a long history. Through archaeology, we can not only satisfy our curiosity, but also learn about the ancient culture and civilization.
Step 5 Homework
Pay a visit to the Ancient Stone Dragons, and learn about the history of Han Dan and the dragon culture there.
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