资源简介

(共29张PPT)
Unit 4 The Earth
牛津广州版七年级上册
Why should we learn about the Earth
Key question
主题范畴：人与自然
Reading II
The Earth is an amazing planet!
Some places are very hot, like the areas near the equator. However, other places are freezing cold, like (1) _______ North and South Poles. There are fields and mountains, rivers and seas, forests and deserts. The highest mountain on Earth is over 8,800 metres high. And the deepest part of the sea is more than 10,000 metres down. The plants on Earth are truly amazing (2) _______ many different ways. There are trees so tall that they can grow to be over 100 metres in (3) ________ (high). There are also very tiny plants that are as (4) ________ (small) as a grain of rice.
Revision
Complete the passage according to the text.
the
in
height
small
The Earth is home to millions of (5) ________ (animal). Some live on land and others enjoy (6) ________ (fly) in the wide open sky. Big blue whales call the sea home, along with many amazing fish. From bears to birds, from butterflies to seahorses, animals make our planet (7) ____________ (interest).
And what’s more, the Earth provides (8) ________ (we) with all the things we need. For example, there (9) ________ (be) food, water, air and energy on Earth. Let’s (10) ________ (explore), learn about and take care of our home. After all, it’s the only planet we know that supports life!
flying
interesting
us
is
explore
animals
Vocabulary practice
1 Choose the correct meaning for the words and phrases in italics.
P55
(1) Some places are very hot, like the areas near the equator.
a towns b deserts c places
(2) The tallest trees in the world can reach over 100 metres in height.
a grow to b touch c feel
(3) And what’s more, the Earth provides us with all the things we need ...
a however b finally c besides; in addition
(4) And what's more, the Earth provides us with all the things we need ...
a gives b stops ... from c protects
(5) Let’s explore, learn about and take care of our home.
a understand b communicate with c find out more about
2 Complete the passage with the words and phrases in
italics from Exercise 1. Change the form if necessary.
The Earth is an amazing planet with beautiful forests. Some of the trees are so tall! They (1)_______ high into the sky. There are so many exciting places on our amazing planet for us to (2)__________. However, many
(3) ______ are now in danger because of us. We cut down too many trees. (4) ____________, we pollute the air and water. The Earth (5) _________ us _______ everything we need. It is the only planet we know that supports life. So let’s take care of it!
reach
explore
areas
What’s more
provides
with
处于危险中
砍倒
Some places are ..., like ... /
Some are ..., like ...
3 What else do you know about the Earth
Make sentences to list some facts.
There is ... / There are ...
e.g. There is more water than land on the Earth's surface(表面).
Some places are empty and hot, like the Sahara Desert.(撒哈拉沙漠)
在一些名词后加上后缀-ly可以构成形容词。
What does the writer think of the Earth
Word building
Adjective suffix: -ly
We can add -ly to the end of some nouns to make adjectives.
love - friend -
Can you give more examples of making nouns this way
n. 爱；热爱
adj. 美丽的；
优美的
n. 朋友；
友人
adj. 友爱的；
友好的
lovely
week - weekly elder - elderly brother - brotherly(兄弟般的)
like→ likely （可能的） live → lively(生机勃勃的)
friendly
P55
用红笔在重点句子前标上序号！
可以不用划线，给句子加个括号就行
这样读书时能更加关注重点句子。
共10句，要默写!
①
②
④
⑤
⑥
⑦
③
⑩
⑧
⑨
超过
在许多不同方面
像……一样……
一粒米
是……的家园
和……一起
而且；另外
为某人提供……
例如
爱护
大量的；无数的
在海平面之上
了解
Pay attention to the key expressions.
more than
in many different ways
as…as
a grain of rice
be home to…
millions of
what’s more
provide sb with…
such as
take care of
above sea level
learn about
超过
在许多不同方面
像……一样……
一粒米
是……的家园
大量的；无数的
而且；另外
为某人提供……
例如
爱护
在海平面之上
了解
Translate the following expressions into English.
Observe the difference:
1) The Earth is an amazing planet.
2) Students are amazed at the amazing facts of the Earth.
其中amazing和amazed都是 _____词，amazing意为
______________ 修饰___; amazed意为__________
修饰___。
形容
令人惊奇的
物
感到惊奇的
人
Choose the best answer:
1. We all laughed after we heard the _______ story.
A. interest B. interested
C. interesting D. interestingly
2. All the people felt _________(excite) when they
knew the _________(excite) result of the football
match.
C
excited
exciting
Fill in the blanks with the correct forms of words:
现学活用
1. There are fields and mountains, rivers and seas, forests and deserts.
句意：这里有田野和山脉，河流和海洋，森林和沙漠。
there be 这里有
there is ＋单数名词/不可数名词
there are+复数名词
就近原则：be动词与最近主语保持单复数一致
1. There ______ a pen and some books in my bag.
2. There ______ some books and a pen in my bag.
3. There ______ a lot of water in the bottle.
4.There ______ a pair of shoes under the bed.
即学即练
is
are
is
is
2. The highest mountain on Earth is over 8,800 metres above sea level.
句意：地球上最高的山海拔超过8800米。
the+形容词最高级+名词单数
above 在...上方
above 不接触、不垂直
on 接触
over 不接触、垂直
above、on、over的区别？
1.The cat is sleeping ________ the sofa.
2.He held an umbrella ________ his wife to keep off the rain.
3.The sun rose ________ the horizon.（地平线）
即学即练
on
over
above
3.The plants on Earth are wonderful in many different ways.
句意：地球上的植物在许多方面都很奇妙。
1.我们可以用很多不同的方式学习英语。
______________________________________
in many different ways 用很多不同的方式
即学即练
We can learn English in many different ways.
我们班有50几个学生。
__________________________________________
4. The tallest trees in the world can reach over 100 metres in height.
句意：世界上最高的树可以达到 100 米以上的高度。
即学即练
①动词reach在句中意为“足够达到”。
②over = more than ，超过。
There are more than/over 50 students in our class.
reach
arrive
get
【拓展】reach还可以理解为“到达；抵达”。
辨析reach, arrive与get表示“到达”的区别：
reach+地点
arrive at+小地点
arrive in+大地点
get to+地点
注：here, home, there前不用介词，如：get home, arrive here, get there
1. 我们必须在7点前到广州。(arrive)
__________________________________________
2. 他们9点钟到达了北京。(reach)
__________________________________________
3. 她每天早上8点到学校。(arrive)
__________________________________________
4. 我们昨晚很晚到家。(get)
__________________________________________
即学即练
We must arrive in Guangzhou before 7 o'clock.
They reached Beijing at 9 o'clock.
She arrives at school at 8 o'clock every morning.
We got home very late last night.
1. 今天的天气和昨天一样好。
__________________________________________
2. 我不如汤姆那样细心。
__________________________________________
5. The smallest plant is as small as a grain of rice.
句意：最小的植物和一粒米一样小。
即学即练
The weather today is as nice as it was yesterday.
①as + adj. / adv. 原级 + as 和……一样……
②not as/so ... as ... ……不如……
I am not as (so) careful as Tom.
1. 四百万 五千
__________________________________________
2. 成百上千 数以百万计的
__________________________________________
6. The Earth is home to millions of animals.
句意：地球是无数动物的家园。
即学即练
four million
million意为“百万”，其用法与数词hundred (百)、thousand (千)、billion (十亿)相同。
hundreds of
five thousand
millions of
前有数字，后无s和of
前无数字，后有s和of
3. 球场上有两百万名观众。
__________________________________________
There are two million audience on the football court.
7.Some, like tigers and lions, live on land.
Other animals, like birds, enjoy the wide open sky.
句意：有些，像老虎和狮子，生活在陆地上。其他动物，如鸟类，享受广阔的天空。
other 其他的，后接名词
other animals= others
one... the other 一个...另一个...(两者)
some... others 一些... 另一些...
1. I have two uncles. _____ is a doctor, and ________ is a teacher.
2.There are fifty students. Twenty are boys, and ________ students are girls.
3.People have different hobbies. ________ like reading, ________ prefer traveling.
4.We have ten apples. Some are green, _________ are red.
即学即练
One the other
the other
Some
others
the others
1. 她的微笑使我快乐。
__________________________________________
2. 这让我想起了我的奶奶。
__________________________________________
8. ...animals make our planet lovely and interesting.
句意：……动物使我们的星球可爱而有趣。
即学即练
Her smile made me happy.
make sb. / sth. + adj. 使某人/某物……
*make sb. / sth. + do sth. 使某人或某物做某事
This made me think of my grandma.
1. 此外，人们砍伐了许多树木。
__________________________________________
2. 酒店为我们提供了免费早餐。
__________________________________________
9. And what’s more, the Earth provides us with all the things we need.
句意：更重要的是，地球为我们提供了我们所需的一切。
即学即练
What’s more，people cut down many trees.
①what’s more 更重要的是；此外
②provides sb. with sth. 提供某人某物
The hotel provided us with free breakfast.
provide sth. for sb.
10. Let's explore, learn about and take care of our home.
句意：让我们探索、了解和照顾我们的家。
learn about 了解
take care of =look after 照顾，照看

即学即练
他昨天在家照顾他妹妹。
—————————————————————
He took care of his sister at home yesterday.
完成句子
1. 学校为所有学生提供免费课本。
Schools _________ all students _________ free textbooks.
2. 读书让我获得了很多知识。更重要的是，它还能帮助我放松。
Reading books makes me gain much knowledge. _______ _______, it helps me relax.
3. 你能照看我的猫吗？
Can you _____ _____ ____ my cat
4. 我的家乡坐落在山中，海拔约 500 米。
My hometown is in the mountains, about 500 meters ________ _________ _________.
provide with
What’s more
take care of
sea level
above

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