2023-2024学年英语仁爱版八年级上册 课件Unit 4 Our World Topic 1 Section C课件+嵌入视频(共32张PPT，无听力音频)

(共32张PPT)
Unit 4
Our World
Topic 1
Section C
新
课
导
入
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Language Goal
能熟悉并正确运用本课时的重点单词和短语
能用英语描述热带雨林的特征和重要性
能用英语谈论如何保护热带雨林
Look and learn
新知学习
重点研讨
课堂小结
当堂检测
学习目标
rainforest n. (热带)雨林
forest n. 森林
新知学习
重点研讨
课堂小结
当堂检测
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wood n. 木头，木材；
woods 树木，森林
Forests give us …
rubber n.橡胶
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Rainforests give us …
food
新知学习
重点研讨
课堂小结
当堂检测
学习目标
fruits
Rainforests give us …
新知学习
重点研讨
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当堂检测
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medicine
Rainforests give us …
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1a Read and understand.
Look at the pictures and check which questions the passage can answer.Then check your guess.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
What are rainforests
How many animals are living in rainforests
Where do animals live in rainforests
What can we get from rainforests
Why are rainforests important to us
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Rainforests
Rainforests are thick forests in the hot parts of the world. It rains a lot and the ground is always wet. It’s always dark and hot in rainforests. Rainforests cover 6% of the earth’s surface. They provide places to live for thousands of plants and animals found nowhere else on Earth. There are lots of tall trees and other different kinds of plants. Thousands and thousands of animals live in rainforests. Many of them live in the trees over 30 meters from the ground.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Rainforests are very important to us. They are the lungs of the earth. The plants in the forests help to make the air fresher and cleaner. They also help to hold the water when it rains and keep the water cycling. They play an important part in controlling the climate. Rainforests also help to keep the beauty of nature. Without rainforests, many beautiful plants and animals would die out. Rainforests give us wood, food, fruit, medicine, and many more useful things. We need rainforests for many reasons. But now, rainforests are becoming smaller and smaller, so we should protect them.
Design of the passage
Rainforests
Features of rainforests
Importance of rainforests
Allow students to answer
How to protect the rainforests
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1. What does “cover” mean in this passage
A. set up B. spread over
C. have D. form
2. We can’t get the answer to Question _________ from
the passage.
A. What are in rainforests
B. Why are rainforests important to us
C. What can we get from rainforests
D. What should we do to protect rainforests
B
D
新知学习
重点研讨
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当堂检测
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3. Why are rainforests “the lungs of the earth”
4. What’s the main idea of the passage
新知学习
重点研讨
课堂小结
当堂检测
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Because the plants in the forests help to make the air fresher.
Rainforests are very important to us.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Feature of rainforests in the ______ parts of the world
_______ ground and always ____ and ____ in them
cover ____ of the earth’s _______
give a home to many beautiful ______ and ________
hot
wet
dark
hot
6%
surface
plants
animals
1b Listen to 1a and complete the table. Then
check with your partner.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Importance of rainforests make the air _______ and ________
_____ the water and keep the water________
control the ________
keep the beauty of ________
give us ______, ______, fruit, ________ and so on
fresher
cleaner
hold
cycling
climate
nature
wood
food
medicine
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1c Read again and answer the questions.
1. What does the word “cover” mean in Paragraph 1
2. Why are rainforests the lungs of the earth
It means “覆盖”.
Because the plants in the forests help to make the air fresher and cleaner.
新知学习
重点研讨
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当堂检测
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3. Why should we protect rainforests well
4. Can you guess what the next part of the passage will talk about
5. What should we do to protect rainforests
Because they help to hold the water and keep the water cycling. They play an important part in controlling the climate.
We should save paper and mustn’t use the chopsticks for only once.
Yes. The next part may talk about what we should do to protect rainforests.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
2 Discuss the pictures in groups about how to protect rainforests. Then write a short passage.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
show and tell people about …
do anything we can，such as …
ask people not to …
新知学习
重点研讨
课堂小结
当堂检测
学习目标
You can write like this :
Example :
Rainforests are very important to us. It is necessary for us to protect them very well.
First, we should make people know about the importance of protecting them. Then ask people not to cut down the trees without plans. For us, we should do something as possible as we can. When we have meals, we mustn’t use chopsticks for only once. In the life, use less paper and be sure not to waste it.
Language points
新知学习
重点研讨
课堂小结
当堂检测
学习目标
1. Rainforests cover 6% of the earth’s surface.
热带雨林占地球面积的6%。
(1) A. cover v. 覆盖；
B. cover… with…用……覆盖……；
He covered his face with a newspaper.
他用报纸盖住脸。
C. be covered with… 被……覆盖；
The land is covered with snow. 大地被雪覆盖了。
(2) 6% 读作 six percent.
(3) 世界上独一无二的事物面前要用the
the earth 地球，the sun 太阳； the moon 月亮； the Mars火星；
新知学习
重点研讨
课堂小结
当堂检测
学习目标
数词 % +
可数名词复数
可数名词单数 / 不可数名词
新知学习
重点研讨
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2. Thousands and thousands of animals live in rainforests.
千千万万的动物住在热带雨林。
hundreds of 成百上千的
thousands of 成千上万的……；
millions of 数以百万计的
表示不确定数目时，hundred, thousand等词后不但要
加s， 而且还要用of构成固定词组；表示确定数目
时，要在hundred, thousand前加一个具体数字，但
hundred, thousand后不能加s,也不需要用of.
新知学习
重点研讨
课堂小结
当堂检测
学习目标
3. They play an important part in controlling the climate.
他们在控制气候方面起着很重要的作用。
(1) play an important part in........ 在……中起重要作用；
You have done so much for our study and life. You played
an important part in our progress .
你们为了我们的学习生活付出了许多的心血，我们的
点滴进步都离不开你们的支持。
(2) control the climate 控制气候；
新知学习
重点研讨
课堂小结
当堂检测
学习目标
4. Without rainforests, many beautiful plants and animals would die out.
没有热带雨林，很多漂亮的植物和动物将会灭绝。
(1) without 没有，是介词，后不能接句子，只接名词，动名词或代词。
I won’t be happy without her. 没有她，我将不会快乐。
(2) die out （指物种、家族、习惯、观念等） 绝迹，消失； 绝种；绝灭；
How did the dinosaurs die out 恐龙是如何灭绝的？
新知学习
重点研讨
课堂小结
当堂检测
学习目标
5.Rainforests give us wood, food, fruit, medicine, and many more useful things.
热带雨林给我们木柴、食物、水果、药物和很多更有用的东西。
A. wood 意为“木，木头，木柴，木料”，不可数名词。
He chopped some wood for fire. 他劈了些柴烧火。
B. wood 意为“树林，林地”，可数名词。其面积比forest面积小。
I like walking in the woods. 我喜欢在树林中散步。
新知学习
重点研讨
课堂小结
当堂检测
学习目标
6.But now, rainforests are becoming smaller and smaller…
1. smaller and smaller 越来越小
比较级+and+比较级 越来越…
如：The weather is colder and colder
2. 注意：多音节形容词在表示“越来越…”时，常用
结构是：more and more +形容词原形
如：越来越漂亮 more and more beautiful
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Unit 4 Topic 1
Section C
热带雨林的重要性：
Rainforests are important to us. They make the air_________________. They help to _______ water and keep the water_________. They play an important part in controlling the__________. They give us wood, food, fruit, medicine, and many more useful things.
重点单词和短语:
control, reason, surface, earth, cover, wet, ground, thick, forest, die out, thousands of
fresher and cleaner
hold
cycling
climate
新知学习
重点研讨
课堂小结
当堂检测
学习目标
一、根据句意及汉语提示完成句子。
1.He knows how to _______(控制) the machine.
2.Half of the earth is _______(覆盖) by the oceans.
3.He lost his way when he went through the _______(森林).
4.He knows the ________(原因) about the accident.
5.We should protect the rainforests ,because they are the lungs of the _______(地球).
control
covered
forest
reason
earth
新知学习
重点研讨
课堂小结
当堂检测
学习目标
二、根据汉语提示，完成句子，每空一词。
1.许多善心的人为灾难中的人们提供衣服和食物。
Many kind persons ______ clothes and food ____ those people in the accident.
2.我们应该把这种动物保护起来，否则这几年就会灭绝。
We should protect this kind of animals at once, or they will ____ ____ in a few years.
3.我们应该多种树，因为他们对保护环境至关重要。
We should plant more trees because they ____ ___ ________ _____ in protecting the environment.
4.每天有成千上万的游客去长城游玩。
__________ ___visitors go to the Great Wall every day.
provid for
die out
play an important part
Thousands of