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(共24张PPT)
Lesson 47
Connected to Nature
Unit 8 Save Our World
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From the pictures above, we learn that all the living things depend on one another.
Should we do something for nature
THINK ABOUT IT
·Do all the living things on the planet depend on one another
·What can we do for nature
The natural world is filled with living things. Living things start out weak and small and slowly grow strong and big. ① 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.
温馨提示：此符号表示“考点精讲点拨”链接。
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. ② Some birds live off fish. ③ If the birds eat the sick or dead fish, they may die off. Nature is a balance between all the living things on the planet. 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. ④
1) Read the lesson and put these sentences in the correct order.
□All living things are connected.
□We should protect the environment.
□Living things live in the world.
□All living things need water and food to grow.
3
4
1
2
1. 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.
respect connect die dead follow
dead
respect
follow
connected
died
2) Fill in the blanks with the correct forms of the words in the box.
3) Read the passage and fill in the blanks with the sentences below.
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. ________
A. 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.
B
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.
A. 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.
D
Some factories polluted the air, water and people's food. The earth is getting warmer. Some scientists say the sea level will rise by at least 1 metre in the next 100 years. ________
A. 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.
A
People are now living in a worse and worse environment. ________ We need to reduce pollution and protect our environment.
A. 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.
C
①Living things start out weak and small and. . .
start out 出发, 起初是; 开始从事
e. g. They started out this morning.
他们今天上午出发了。
He started out to write a novel.
他开始着手写一部小说。
start out on a new career 开始新的事业
考点1
start out on sth.
开始某事
start out to do sth.
开始做某事
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②If we pollute the rivers and oceans, fish may get sick or even die.
【高频】die /da / v. (现在分词为dying) 死
考点2
die 是动词, 表示动作, 用作谓语。die是非延续性动词, 不能和表示一段时间的状语连用。 How many people died in the war 在战争中有多少人死亡？
death 是名词, 用作主语或宾语。 He is afraid of death.
他怕死。
dying 可用作形容词。意为“临终的; 垂死的”。 Look at the dying bird.
看这只垂死的鸟。
dead 是形容词, 表示状态, 常用作表语或定语。意为“死亡的, 无生命的”。 The dog is dead.
那只狗死了。
一语辨异：My cat died two years ago. It has been dead for two years. Its death made me sad.
我的猫两年前死了。它死了两年了。它的死让我很悲伤。
中考在线1：—COVID-19 is spreading wildly in India. Take care!
—Yes. More than 300, 000 people _______ there. [邵阳]
A. die B. are dying C. have died
C
【点拨】考查动词时态。句意为“—新冠病毒正在印度疯狂地传播, 一定要小心！—是的。已经死了三十多万人”。表示已经做了某事, 用现在完成时。
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③Some birds live off fish.
live off 以……为食, 以……为生
e. g. She will not be able to live off her writing.
靠写作她将难以谋生。
Sheep live on grass. 羊以草为食。
考点3
live on 以……为食
中考在线2：大熊猫主要以竹子为食。
Pandas mainly _________ ____________ bamboo.
【点拨】这里是说大熊猫的习性, 故用一般现在时。
live on/off
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④We should respect the earth and all the living things on it.
respect /r 'spekt/ v. 尊敬; 敬重
e. g. Students should respect their teachers.
学生应该尊重老师。
She has been honest with me and I respect her for that.
她一直对我很坦诚, 我非常敬重她这一点。
考点4
respect 作动词，常用短语：
respect sb. for(doing) sth.
因(做) 某事而敬重某人
拓展：respect 还可作名词, 意为“敬意; 尊敬”。
e. g. Everyone has the right to be treated with respect.
每个人都有权受到尊重。
中考在线3：The lady devoted all her time to ______ the poor and she is worth _______ all the time.
A. help; being respected B. helping; being respecting
C. helping; being respected D. helping; respecting
【点拨】本题用语法判定法。句意为“这位女士贡献她的一生帮助贫困的人, 她始终值得尊敬”。devoted. . . to. . . 把……贡献给……, 后面跟动词的-ing形式; be worth doing sth. 值得做某事, 固定搭配, 此结构为主动形式表达被动含义, 所以用respecting。
D
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本节课我们主要学习了以下重点内容：
重点单词：connect, die
重点短语：live off, from…until…

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