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(共34张PPT)
Unit 5
能够了解亚马孙雨林深处的沸腾河的相关知识
能够基于所听对话记录重要信息
能够描述自然界中的未解之谜
能够尽可能多地使用之前板块和本板块的核心词汇和Useful expressions中的表达
能够正确使用关于talking about possibilities的表达
学习英语单词重音和词性的关系，并能完成语音练习00
1. What secrets of nature do
these pictures show
black hole
黑洞
the Bigfoot 大脚野人
the Loch Ness Monster
尼斯湖水怪
the beginning of the universe 宇宙起源
The black hole interests me most.
I think it's very mysterious. I want to know what’s inside a black hole.
a A disappearing river in South America.
b The life of the people in the Amazon rainforest.
c A boiling river in the Amazon rainforest.
A group of people are on a guided tour. The guide is talking about an unsolved secret of nature. Look through the three topics below, and find the key information in each one.
boiling adj. 很热的, 滚烫的
Listen to the talk and choose the correct topic.
a A disappearing river in South America.
b The life of the people in the Amazon rainforest.
c A boiling river in the Amazon rainforest.
What’s special about the river
boiling
hot
make tea
in the Amazon rainforest
cook
…
Let’s watch the video and learn about the boiling river in the Amazon rainforest.
Read the profile and answer the question.
What information should you listen for
facts about the river
people’s activities
the speaker’s opinion
Listen again and complete the profile.
86
cook
tea
heavy rain
amazing wonders
facts about the river
people’s activities
the speaker’s opinion
What’s the speaker’s opinion
facts about the river
Introduce the river to your partner.
people’s activities
the speaker’s opinion
boiling
as hot as 86℃
cook with it
clean with it
make tea with it
go swimming after heavy rain
one of ... amazing ...
许多双音节词作名词或形容词时，重音在第一个音节；作动词时重音在第二个音节。
a world record / record the temperature
fresh produce / produce oxygen
a perfect gift / perfect her skills
the biggest desert on earth / desert his duty
Listen and mark the stress.
Now listen again and repeat.
record
produce
perfect
desert
The tourists and the guide are having a heated discussion. What is the discussion about Look through the table and make a prediction.
The discussion is about how the boiling river came into being.
n.化学品
Listen to the conversation and complete the table.
sunshine
heat the river
becomes hot
700 kilometres /
700 km
in the water
produce
possible
research
Listen again and answer the following questions.
How many possible reasons are mentioned in the conversation
Are the tourists sure of their ideas How do you know
Three.
Tourists:
Guide:
Listen again. Then talk about how the speakers discuss possibilities.
It’s possible, right
Actually, it’s unlikely for the sun to heat the river that much.
Perhaps the river passes a volcano and becomes hot
Maybe there are some chemicals in the water.
That’s possible.
Now, work in pairs. Role-play the conversation and try to imitate the pronunciation and intonation.
Choose one unsolved secret of nature and talk about possible explanations.
Crop circles
麦田圈
Atlantis
亚特兰蒂斯
Crop circles
麦田圈
Crop circles, large geometric (几何图形的) pattern of flattened (压平的) crops, most often found in fields in southern England. Crop circles are said by some who have studied them to be messages from intelligent extraterrestrial (地球外的) life, but many have been proved to be the work of humans.
Crop circles 麦田圈
Atlantis
亚特兰蒂斯
A: Have you heard of Atlantis
B: Yes, it’s very mysterious. I’m curious about the possible reasons.
A: Perhaps there was an island. Something made the island sink into the sea.
B: That’s possible. An earthquake might have caused it.
A: Yes, maybe. It’s also possible that the city disappeared because of rising sea levels.
B: Or maybe Atlantis never existed and it’s just a story.
A: Yes, that could be true!
beginning of the universe
the Amazon rainforest
black hole
be full of
awaken one’s curiosity
drive sb. to do sth.
ancient times
talk about
in fact
宇宙的起源
亚马孙雨林
黑洞
充满……
唤起某人的好奇心
驱使某人做某事
古代
谈论; 讨论
事实上
make tea
There is no need to do sth.
cool down
heavy rain
go swimming
one of the most amazing wonders
It’s unlikely for sb./sth. to do sth.
do more research
泡茶; 煮茶
做某事没有必要
变凉; 冷却下来
大雨
去游泳
最令人惊叹的奇迹之一
……做某事是不太可能的
做更多研究
I CAN
了解亚马孙雨林深处的沸腾河的相关知识。
运用相关词汇和表达描述自然界中的未解之谜。
尽可能多地使用之前板块和本板块的核心词汇和Useful expressions中的表达。
正确使用关于talking about possibilities的表达。
掌握英语单词重音和词性的关系，并能完成语音练习。
Write about one unsolved secret of nature and possible explanations.
Talk about what you have learnt about the secrets of nature in this section.

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