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(共27张PPT)
Unit 4 The Wonders of Nature
Section B（3a-4c）
· 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: underwater, northeastern, coast, coral, reef, include, sand,
alive, structure, turtle, lifetime
2. Expressions: on earth
3. Sentences: ①Located on the northeastern coast of Australia, the
Great Barrier Reef is one of the most amazing places
to visit.
Learning goals
3. Sentences: ②The Great Barrier Reef is also alive!
③If you dive deeper, you might even see large fish,
turtles, and sharks.
Lead-in
Do you know Guilin
Yes/No...
Did you travel to Guilin
Yes/No...
Is it beautiful
Yes, it is.
New words
underwater / nd w t (r)/ adj.水下的;用于水下的
adv.在水下
northeastern / n θ i st n/ adj. 东北的;东北方向的
coast /k st/ n. 海岸;海滨
coral / k r l/ n. 珊瑚;珊瑚虫
New words
reef /ri f/ n.礁;礁脉
include / n klu d/ v.包含;包括
sand /s nd/ n.沙子
alive / la v/ adj.活着;在世;有活力
New words
turtle / t tl/ n.海龟;龟
lifetime/ la fta m/ n.一生;终身
structure/ str kt (r)/ n.结构(体);构造;体系
underwater / nd w t (r)/ adj.水下的;用于水下的 adv.在水下
northeastern / n θ i st n/ adj. 东北的;东北方向的
coast /k st/ n. 海岸;海滨
coral / k r l/ n. 珊瑚;珊瑚虫
reef /ri f/ n.礁;礁脉
include / n klu d/ v.包含;包括
sand /s nd/ n.沙子
New words
alive / la v/ adj.活着;在世;有活力
structure/ str kt (r)/ n.结构(体);构造;体系
turtle / t tl/ n.海龟;龟
lifetime/ la fta m/ n.一生;终身
New words
The Great Barrier Reef:
An Amazing Underwater World
Do you love the ocean Do you want to visit one of the natural wonders of the world If so, visit the Great Barrier Reef!
Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most amazing places to visit. It is the biggest coral reef in the world.
Textbook
3a
Read the advertisement. Circle the numbers and underline the adjectives used to describe the Great Barrier Reef.
Language points
1
Located on the northeastern coast of Australia, the Great Barrier
Reef is one of the most amazing places to visit.
句意：“大堡礁位于澳大利亚东北海岸,是最值得游览的奇妙之 地之一 。”
located 形容词“位于…...的”
be located in/at/on… 某物坐落于/位于某地
例句：The Eiffel Tower is located in Paris, France.
埃菲尔铁塔位于法国巴黎。
Language points
练
1.The Great Wall, which ______ northern China, is a
symbol of Chinese civilization.
A. is located in B. located on
C. is located at D. locating in
2.完成句子。
The new library is located _____ the west part of our city.
A
in
It takes up an area of 345,000 square kilometres and includes many islands and white sand beaches.
The Great Barrier Reef is also alive! If you visit it,
you will see the largest living structure on earth.
Here, you can swim or dive in the clear water and see coral, plants, and coral, plants, and colourful fish. If you dive deeper, you might even see large fish, turtles, and sharks. For people who love the ocean, visiting the Great Barrier Reef is the dream of a lifetime!
Textbook
Language points
2
The Great Barrier Reef is also alive!
句意：“大堡礁也还活着 。”
alive“活着的” 表语形容词，不可前置修饰定语；强调生命状态
living 可作定语 / 表语；泛指 “活着的”，范围广
live 作定语；指 “活的（动物）”
例句：She was still alive when the ambulance arrived.
救护车赶到时，她还活着。
Language points
练
1.— Is your great-grandmother still ______
— Yes, she is 102 years old and in good health.
A. live B. alive C. living D. lively
2.适当形式填空。
The soldier fought hard to stay ______ in the war.（live）
B
alive
Language points
3
If you dive deeper, you might even see large fish, turtles, and sharks.
句意：“如果你潜得更深,你甚至可能看到大型鱼类、海龟和鲨鱼。”
if引导的条件状语从句，遵循“主情从现” ，即主句有情态动词，从句用一般现在时。
例句：If the wind picks up, the kite might fly higher.
如果风变大，风筝可能会飞得更高。
Language points
练
1.If you ______ your homework, you ______ watch the movie.
A. finish; can B. will finish; can
C. finish; could D. finished; can
2.适当形式填空。
You might win the game if you _________ (practice) hard every day.
A
practice
Textbook
3b
Read a student's notes on Qinghai Lake. Rewrite them in full sentences.
Qinghai Lake
What: a salt lake
Where: Qinghai Province, China
Special fact: the largest lake in China(4,340 km2)
Things to do: photograph wildlife (fish
and birds), visit islands, ride a bike or horse
1. Qinghai Lake is a ________in _____________________.
2. Qinghai Lake is ______________ in China.
3. It is__________in size.
4. If you visit Qinghai Lake, you can __________________
______________________________________________.
salt lake
Qinghai Province, China
the largest lake
4,340 km
photograph wildlife
(fish and birds), visit islands, and ride a bike or horse
Textbook
3c
Write an advertisement for Qinghai Lake or another natural wonder. Try to make your advertisement as persuasive as possible.
Textbook
4a
Work in a group. Choose a natural wonder (a river, lake, mountain,
forest, waterfall, etc.). Then do some research and make notes.
name
location and size
plants and animals
special facts
Textbook
4b
Make a poster about the
natural wonder you chose.
Refer to the example on the
right.
Textbook
4c
As a group, give a report to the class. Pay attention to the use
of large numbers, comparatives, and superlatives.
The Amazon Rainforest is the world's biggest rainforest.
It covers 6 million square kilometres. You can see most of it in three countries, Brazil, Peru, and Colombia ...
Reflecting
1. What new facts about natural wonders have you learnt
2. Can you make comparisons when talking about natural wonders
3. Can you use large numbers to give some geography facts
4. Can you explain how and why people connect with nature
5. What are some achievements that people have made while exploring
nature
Textbook
Summary
New words
underwater, northeastern, coast, coral, reef, include, sand, alive, structure, turtle, lifetime
Expressions
on earth
Summary
Sentences
2. The Great Barrier Reef is also alive!
3. If you dive deeper, you might even see large fish, turtles, and sharks.
1.Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most amazing places to visit.
Homework
1
Memorize the new words, expressions and sentences in
Section B (3a-4c).
2
Finish the exercises of the test paper on the book 5·3.

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