课件31张PPT。Unit 8
Connected to NatureLesson 47 冀教版英语八年级下册Think about it!? Do all the living things on the planet
depend on one another.
? What can we do for the nature?Have you noticed this kind of relationships?Have you noticed this kind of relationships?If the grass is destroyed, what will happen? How to protect the nature?Building natural reserve(自然保护区)
Planting trees
Change our bad habits and behaviors. Words & expressionsListen and read. The natural world is filled with living things. Living things start out weak and small and slowly grow strong and big. You are a living thing. Each of your classmates is a living thing. Flowers, grass and trees are living things, too. Bees, ants, doves, dogs and cats — these are all living things.
All living things need food and water to grow. Think about yourself. When you are hungry, you need to eat. You eat fruit, vegetables, meat and fish. They can help you grow big and strong. You drink water when you are thirsty. Now think about a tree. When a tree is hungry, it gets food from the soil. Trees drink water, too. We are different in some ways, but all living things are connected. We all live on the same planet, and we depend on each other. If we pollute the rivers and oceans, fish may get sick or even die. Some birds live off fish. If the birds eat the sick or dead fish, they may die off. Nature is a balance between all the living things on theplanet. If one species dies off, then another species may die off, followed by another, and another...
We should respect the earth and all the living things on it.Language pointsLiving things start out weak and small and slowly grow strong and big.
生物开始时很弱小，慢慢变得强大起来。
start out意思是“启程，出发；开始或着手做……”。例如：
Dan is a successful businessman now who started out as a salesman.
丹现在是个成功商人，他是从做推销员起步的。
We started out by discussing the best way to help the girls who are trapped.
我们首先讨论救出那些受困女孩的最佳办法。2. If we pollute the rivers and oceans, fish may get sick or even die.
如果我们污染了河流和海洋，鱼就会生病甚至死亡。
get此处相当于动词be的用法，后面跟形容词 sick作表语。例如：
He didn’t get hurt. 他未受伤。
The car got stuck in the mud.
车陷到泥里了。3. Some birds live off fish.
一些鸟以鱼为生。
live off意思是“以……为食，以……为生，依赖……生活”。例如：
We should not live off our parents all our life.
我们不能一辈子都依靠父母生活。
Most of the Asians live off rice.
多数亚洲人以大米为主食。4. If the birds eat the sick or dead fish, they may die off.
如果鸟类吃了病鱼或者死鱼，它们就有可能灭绝。
die off意思是“相继死去；灭绝”。例如：
As he grew older, his relatives all died off.
随着他年龄的增长，亲人相继死去了。
The chickens are all dying off from the disease. 鸡一个个地病死了。
If the snowstorm does not stop, the cattle will die off. 如果暴风雪不停，很多牲畜就要死掉。The leaves of this plant are dying off.
这株植物的叶子正在凋落。
If we do not take action immediately, the rare species will die off soon.
如果我们不立即釆取行动这些稀有物种很快就会灭绝。 die还有很多的固定搭配，在使用时要注意它们的区别：
l) die of “死于……，因……而死”，主要指疾病、 衰老等自身的原因。例如：
He died of a heart attack.他死于心脏病发作。
Her grandfather died of cancer.他祖父死于癌症。
3) die out “（家族、种族、习俗、观念等）灭绝, 绝迹”。例如：
Many old customs are dying out.
许多旧习俗正在消失。
3) die from “死于……，因……而死”，主要指 事故等方面的外部原因。例如：
Many villagers die every year from snake bites.
每年都有许多村民被蛇咬死。
His father died from that earthquake.
他父亲死于那次地震。
但是在实际运用中，两者混用的情况较多。 4) die away “（声音、风、光线等）渐息，渐弱”。 例如：
The breeze has died away. 微风渐渐停了。
The sound of the car died away in the distance.
汽车的响声消失在远处。
5) die down “ (慢慢)熄灭，平静下来”。例如： The fire died down. 火慢慢熄了。
His anger has died down a bit.
他的怒气已消了一点。 Read the lesson and put these sentences in the correct order.Let’s Do It!1All living things are connected.
We should protect the environment.
Living things live in the world.
All living things need water and food to grow.34121. His mother has been______ for ten years.
2. People should _______ and understand
each other.
3. Don’t always _______ others. You should
have your own ideas.
4. We are __________ by the Internet.
5. The trees _______ out, and this place
became a desert Fill in the blanks with the correct forms of the words in the box.2respect connect die dead follow dead respectfollowconnecteddied Many years ago, there were more animal species than there are now. There were many forests. The rivers were clean. The sky was blue. Birds sang from morning until night ___
But later, people cut down the trees in the forests, killed the animals and built factories and buildings. _____People’s houses were buried by soil in floods. Some animals lost their homes, and they attacked people. Some factories polluted the air, water and people’s Read the passage and fill in the blanks with the sentences below.
3BDfood. The earth is getting warmer. Some scientists say the sea level will rise by at least 1 metre in the next 100 years. _________
People are now living in a worse and worse environment. _______We need to reduce pollution and protect our environment.ACA. Some houses beside the sea will disappear.
B. People lived together with many kinds of
animals.
C. We should do something to save our world.
D. They changed the earth.start out
It’s our duty to… 启程，出发；开始做……
……是某人的职责/义务Exercise1.The city is very clean. People never
throw rubbish in the street.
A. paper B. garbage
C. pollution D. Food
2.There a bit of rain last month.
A. a bit B. a piece of
C. a little D. a few
选择同义3. Every day he has a lot of homework
to do.
A. many B. much
C. lot of D. a bit of
4. Let’s get to work now.
A. stop B. start
C. have D. enjoy
5. Why don’t we go to the park by bike?
A. Why not B. Will you
C. Why D. Why should weExercises: Fill in the blanks1. It would be fun _________(play) outside.
2. That ____(be) why I like English.
3. Why don’t they _____(come) a bit earlier?
4. We can finish _______ (clean) in an hour.
5. Last week, Danny ______(lose) the book.
6. Garbage is another way of ________(say)
rubbish.to playiscomecleaninglostsayingHomeworkAfter studying this lesson, try to make some
changes to be kind to the nature. Thanks!
