资源简介

(共28张PPT)
Unit 4 The Wonders of Nature
Section A（1a-2d）
· 学习目标
· 新课导入
· 内容讲解
· 课堂总结
· 课后作业
Learning goals
1. New words: wonder, measurement, below, level, surface, depth, dive,
unusual, bottom
2. Expressions: square kilometre
3. Sentences: ①Why people are researching the deep sea
②How everyone should protect the deep sea
Lead-in
Do you know the name of the waterfall in
the photo
Yes/No...
Do you know where it is
Yes.It’s in China./No. I don’t know.
What do you think is special about it
It’s...
New words
wonder / w nd (r)/ n.奇观;惊叹v.琢磨;想知道;感到诧异
measurement / me m nt/ n. 数量;测量
below /b l / prep. & adv. 在(......)下面;低于
level / levl/ n. 高度;水平;程度
New words
surface / s f s/ n.表面;表层
depth /depθ/ n深(度);纵深
dive /da v/ v.&n.潜水;跳水;俯冲
New words
unusual / n ju u l/ adj.特别的;不寻常的
bottom / b t m/ n.底部;最下部
wonder / w nd (r)/ n.奇观;惊叹v.琢磨;想知道;感到诧异
measurement / me m nt/ n. 数量;测量
below /b l / prep. & adv. 在(......)下面;低于
level / levl/ n. 高度;水平;程度
surface / s f s/ n.表面;表层
depth /depθ/ n深(度);纵深
dive /da v/ v.&n.潜水;跳水;俯冲
New words
unusual / n ju u l/ adj.特别的;不寻常的
bottom / b t m/ n.底部;最下部
New words
Textbook
1a
Match the places with the pictures.
____Nile River ____Angel Falls ____Mount Qomolangma
____Dead Sea ____Sahara Desert ____Mariana Trench
F
A
D
C
E
B
Textbook
1b
Listen to the game plete the descriptions of the places.
Place Description Measurement
Mount Qomolangma the____________________in the world ___________metres high
Sahara Desert the____________________in the world about ___________square
kilometres in size
Dead Sea the____________________on earth ___________metres below sea level
Mariana Trench the____________________in the ocean about____________metres
deep
highest mountain
biggest desert
lowest place
deepest point
Place Description Measurement
Mount Qomolangma the_____________in the world ___________metres high
Sahara Desert the_____________in the world about _________________
square kilometres in size
Dead Sea the_____________on earth ___________metres below sea level
Mariana Trench the_____________in the ocean about____________metres
deep
Textbook
1c
Listen again. Complete the measurements in 1b with
the numbers below.
416 8,848.86 11,000 9,000,000
8,848.86
9,000,000
416
11,000
Tapescripts
Host:Welcome to our game show! Today, it's all about geography.
Answer as quickly as you can! Question one: What is the
highest mountain in the world
Fu Xing: It's Mount Qomolangma!
Host: Correct! How high is it
Liu Hongyu: I know this—it's 8,848.43 metres high.
Host: No, sorry. Fu Xing
Fu Xing: Is it 8,848.86 metres
Tapescripts
Host: Yes! But some scientists say Qomolangma is still growing taller!
Now, name the biggest desert in the world.
Fu Xing: The Taklimakan Desert
Host: Wrong! Ella
Ella: It's the Sahara Desert.
Host: Right! Now, how big is it
Ella: It's about 9,000,000 square kilometres.
Host: That's right! What's the lowest place on earth
Tapescripts
Liu Hongyu: It's the Dead Sea!
Host: Well done! Its surface is 416 metres below sea level. Now where's
the deepcst point in the ocean
Fu Xing: It's in the Mariana Trench.
Host: That's correct! How deep is it
Fu Xing: It's about 11,000 metres deep.
Host: Correct!
Textbook
1d
Talk about the places you have learnt about.
A: What's the lowest place on earth
B: It's ...
A: How low is it
B: Its surface is ... metres below sea level.
A: Now, what's ..
Textbook
2a
What do you know about the deep sea Complete the sentences with the information from the picture.
1. Fendouzhe
reached
2. The deep sea
begins
3. The Titanic rests
at
4. A whale can dive
to
B
D
C
A
Textbook
2b
A class is asking a deep-sea researcher some questions after his talk.
Listen and tick the topics they discuss.
where the deep sea begins
why people are researching the deep sea
which Chinese submersible dived deeper in the water than many others
what deep-sea animals are like
how everyone should protect the deep sea
√
√
√
Language points
1
Why people are researching the deep sea
句意：“人们为什要研究深海？”
research v. & n.研究;调查
research sth. 调查某事/物
research into/on 对 …… 的研究 （研究方向）
例句：She spent a month researching the history of local folk art.
她花了一个月研究当地民间艺术史。
He researched on environmental policies in European
countries for his thesis.
他为论文研究了欧洲国家的环保政策。
Language points
练
1.They ________ a lot of data before publishing the
report.
A. researched on B. did research
C. researched D. made research on
2.适当形式填空。
The journalist spent weeks ____________ (research) the company's financial problems.
C
researching
Language points
2
How everyone should protect the deep sea
句意：“每个人应该如何保护深海？”
protect v. 保护
protect sth. 保护某事/物
protect sb/sth from/against sth 保护某人/物免受 …… (伤害/危险)
例句：We must protect the environment for future generations.
我们必须为子孙后代保护环境。
The thick blanket protects the plants from the cold night air.
保护植物免受夜间冷空气侵袭。
Language points
练
1.We need to use a cover to ______ the machine _______dust.
A. protect; away B. protect; from
C. prevent; of D. keep; with
2.适当形式填空。
Everyone should take responsibility to ________ (protect) wild animals in danger
B
protect
Textbook
2c
Listen again. Complete the sentences with the facts from
the conversation.
1. People still don't know much about the ____________.
2. In________, China's Fendouzhe dived into the deep sea and
__________it.
3. Some animals have unusual abilities. Some are ______ but
can“______”. Some can even create their own__________.
4.There is rubbish even at __________ metres deep.
ocean floor
2020
filmed
blind
see
light
11,000
Tapescripts
Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does
anyone have any questions
Emma: I do! Why are so many countries researching the deep sea
Mr Jones: Well, curiosity is one reason. We don't know enough about the
ocean floor.
Fu Xing: I remember that in 2020, China's Fendouzhe dived deeper into
the Mariana Trench than many other submersibles in the world
and filmed it. But I didn't see any deep-sea animals. What are
they like
Tapescripts
Mr Jones: Well, many deep-sea animals are large and unusual. Some
animals are blind, but they can "see" as well as others. Some
even create their own light!
Peter: Cool! Are there any other surprising facts about the deep sea
Mr Jones: Did you know that there's rubbish even at 11,000 metres deep
That shocked many people.
Ms Gao: That's terrible! We should do something about it.
Mr Jones: You're right!
Read the questions and think of more you would like to ask the deep-sea
researcher. Research the answers. Then ask and answer the questions
with a partner.
2d
What is the largest shark in the deep sea
What is the bottom of the deep sea like
Why is it important to research the deep sea
Textbook
Summary
New words
wonder, measurement, below, level, surface, depth, dive, unusual, bottom
Expressions
square kilometre
Sentences
1.Why people are researching the deep sea
2. How everyone should protect the deep sea
Homework
1
Memorize the new words, expressions and sentences in
Section A (1a-2d).
2
Finish the exercises of the test paper on the book 5·3.

展开更多......

收起↑