课件44张PPT。Unit 3The EarthReadingPlaces To Remember Before They Disappear记住这些地方——在它们消失之前 作为一个岛国,马尔代夫(Maldives)由分布在印度洋的1200个小岛组
成。马尔代夫群岛的平均海拔有80%都低于1米,如果海平面随着全球气候变化继续上升,这个美丽的天堂岛国迟早会淹没于茫茫大海下。 印度的乞拉朋齐
( Cherrapunji ),
海拔高度1290米,每
年的降水量全球最
高。但每年98%的降水量集中在三月到十月期
间,剩下的四个月气候非常干燥。那里没有水库
可以存水。同样也无法应对全球的气候变化,环
境污染,过度砍伐,水土流失,当地人在
干旱时期至得不到足够水来维持正常生活。 苏拉威西海(The Sulu-Sulawesi Sea)临近
于印度海和中国南海,位于世界热带海洋物
种多样性的中心,这里的部分珊瑚生态系统
是世界上最丰富的,有多于450种石珊瑚
——相比之下,加勒比海地区只有50种,
西度洋也只有将近200种。 泰国首都曼谷( Bangkok ),位于湄南河
地区,是泰国政治、经济、文化和教育的中
心。曼谷的地势很低,在季风季节,时常受到
洪灾威胁。
How do you feel when you see these pictures?
2.What should we do?Talk AboutWe live on the Earth.
Earth is our home.
About 70% of the
Earth is covered by
water.About planetsMercuryVenusThere are 8 planets in the solar system.
They are…水星金星?MarsJupiter火星木星Saturn Uranus土星天王星Neptune 海王星The Moon is 380.000k.m far from
the Earth.The Sun rises from the East, falls down from
the West. The Moon moves around
the Earth. The Earth moves around
the Sun.Important phrasesprovide ... with ...
put ... into ...
in the sky
make energy
under the ground
为……提供……
把……倒入……
在空中
制造能源
在地下
1. We can provide the poor old man _____
some food.
2. Don’t put the dirty water _____ this lake.
3. The old man hid (藏) his money _____
the ground.
4. Look! The birds are flying _____ the
sky.Exercise用适当的介词填空。withintounderinPre-readingA1.Look at the photo and write the correct words in the blanks.stars the Earth the Moon the SunPay attention: proper noun uses capitalthe Sunthe Moonthe EarthstarsA2.Discuss(1)What are the blue parts?
(2)What are the green and brown parts?
(3)What are the white parts?Clouds land seaThey are sea.They are land.They are clouds.B1.What is the poster about?Title---Protect the EarthB4.What things are there on Earth?airriverspollutionseafieldanimalsEarthwaterforestsplantspeoplemountainsWhile-readingC1.Read the passage and guess the
meanings of words and phrase.
(1)The Earth provides us with air, water and food.
a. gives b. shows
(2)We burn things to make energy.
a. set … on fire
b. make … very strongaa(3)This pollutes the air.
a. makes … clean b. makes … dirty
(4)This pollutes the Earth and kills animals and plants.
a. cleans b. makes…die
(5)It is important for us to protect the Earth for our future.
a. keep … safe b. changebbaC2.Complete the conversations with the words and phrase from the box.
(1)Tom: The water from the factory is dirty.
Bob: Yes. We must not let it ______ the
river. We must do something to
______ the river.
Tom: Yes. It’s __________ for us to
do something about this.burn pollute provide…with important protectpolluteprotectimportant
C2.Complete the conversations with the words and phrase from the box.
(2)Jack : Forests are very important. Do you
know why?
Joe : Of course. They ______ us _____ a
lot of things. For example, wood and
fruit.
Jack: you’re right. Many people still
_____ wood to make energy.burn pollute provide…with important protectprovidewithburnC3.Link the meaning of the words together.
a.field
b.large
c.energy
e.ground
f.must(1)should
(2)the solid part of
the earth's surface
(3)A form of power
(4)A piece of land
(5)bigD1.Find sentences beginning with There is/are… from the poster on Page 31 to go with these photos.1.Today, there is a lot of pollution.2.There are also many people like you and me on Earth.3.There are many different plants.
There are different animals on Earth
too.4. There are forests and rivers , mountains and field.D2.Read the poster again and answer the questions below in complete sentences.
(1)What is the weather like in different places on Earth?
Some places are very hot, and some
are very cold.(2)Where do animals live on Earth?
(3)What does the Earth provide us with?
Some live on the land. Some fly in the sky.
Some live under the water.The Earth provides us with air, water
and food.D3.What else do you know about the
Earth? Discuss this in groups.
There is / are…
Some…Some…Language pointsSome places are very hot, and some are very
cold. (P31)一些地方非常热,而一些地方非常冷。
some ..., some ...“一些……,一些……”。如:
一些学生在唱歌,一些学生在跳舞。
Some students are singing and some are
dancing.
一些花是红色的,一些花是粉色的。
Some flowers are red and some are pink.
There are many different plants. (P31)
有许多不同的植物。
Today, there is a lot of pollution. (P31)
如今,有大量的污染。
There is / are ...“有……”,表示某地有某人
或某物。后接单数名词时用“There is a /
an ...”表示,后接复数名词时用“There
are ...”表示,后接不可数名词时用“There
is some / much ...”等表示。如:书桌上有台电脑。
There is a computer on the desk.
树上有一些小鸟。
There are some birds in the tree.
有些水在瓶子里。
There is some water in the bottle. The Earth provides us with air, water and
food. (P31)
地球为我们人类提供空气、水和食物。
provide sb with sth “为某人提供某物”。如:
太阳为我们提供能量。
The sun provides us with energy.
什么为树木提供水分?
What provides the trees with water?We put our rubbish into the sea and under
the ground. (P31)
我们把垃圾倒入海里和(埋在)地下。
put ... into ...“把……倒入……”。如:
她把水倒入瓶子里。
She puts the water into the bottles.
请把牛奶倒入杯里。
Please put the milk into the glass.
1.工厂把污水倒入河里.
Works ____ the wasting _____the river.
2.对于我来说,学好英语很重要.
____ very_____ ____ ____ to learn English well.
3.当老师走进教室,请大家停止讲话.
Please ____ ______ when teacher came into the
class.
4.植物为动物和人类提供食物.
Plants ________ animals and humans_____ food.put intoIt’s important for mestop talking provide with根据中文意思,完成下面英文句子。Exercise:Post-readingThere is a lot pollution around us.
What can we do for our Earth?1. We should learn to _______(保护)
ourselves (我们自己).
2. Noise is a kind of _______(污染).
3. My father will have an _______ (重要的)
meeting tomorrow.
4. Good breakfast can provide you with
enough _______(能量) for the whole
morning.Exercise 1:根据汉语提示完成句子。importantpollutionprotectenergy1. There ____ a big table in the front of the
classroom.
A. be B. is C. are D. were
2. When he saw me, he stopped _____
hello to me.
A. say B. to say C. saying D. to saying
3. We must do something _____ water.
A. save B. saving
C. to saving D. to saveExercise 2:选择填空。BBD4. _____ difficult for me _______ English well.
A. It’s, to study B. It’s, study
C. That’s, to study D. That’s, study
5. I like chatting online. He likes chatting
online, _____.
A. also B. either C. so D. too
6. There are so many toys in the shop. _____ are very big and _____ are very small.
A. There, there B. These, some
C. Some, those D. Some, someADD1.地球给人类提供了很好的生活条件。
The Earth ______ humans ______ very
good living conditions.
2.请再让我试一次。
Please ______ ______ ______ once
again.
3.请把牛奶倒在这个瓶子里。
Please ______ the milk ______ the
bottle.Exercise 3:根据中文意思完成句子。provideswithlet me tryput into4. 看,空中有一个气球。
Look! There is a balloon _____ _____
_____.
5.你应该做些事情来提高(improve)你的英语水平。
You should _____ _____ _____ _____ your English.
6.桌子上有一支钢笔,两本书和一个橡皮。
______ ______ a pen, two books and
one rubber on the desk.in the skydo something to improveThere is