冀教版八年级下册英语Unit 8 Save Our World课文音频

UNIT 8 Save Our World 翻译：第八单元 拯救我们的世界

Lessons 43～48 翻译：第43～48课

We Will Learn 翻译：我们将会学习

Functions 翻译：作用

Talking about Cause, Effect and Purpose 翻译：谈论原因、结果和目的

Grammar 翻译：语法

Using "it" 翻译：“it”的用法

Structures 翻译：结构

It is a waste to use paper only on one side. 翻译：只使用纸的一面是一种浪费。

We should respect the earth and all the living things on it. 翻译：我们应该尊重地球以及地球上的所有生物。

I think it's our duty to protect the environment. 翻译：我认为保护环境是我们的职责。

Lesson 43: Let's Clean Up! 翻译：第43课：我们来打扫吧！

THINK ABOUT IT 翻译：想一想

When you see a lot of garbage in your schoolyard, how do you feel? 翻译：当你看见校园里的许多垃圾时，你感觉怎么样？

Do you know about World Environment Day? 翻译：你知道世界环境日吗？

What is it? 翻译：它是什么？

It's noon. 翻译：现在是中午。

Jenny, Brian and Danny are outside in the schoolyard. 翻译：詹妮、布赖恩和丹尼在校园外面。

Today's June 5. 翻译：今天是6月5日。

It's World Environment Day! 翻译：是世界环境日！

It's a special day to draw people's attention to the environment. 翻译：它是一个特别的日子，可以吸引人们对环境的注意。

What shall we do today? 翻译：今天我们应该做什么呢？

Look at all of this rubbish! 翻译：看看这所有的垃圾！

What does "rubbish" mean? 翻译：“rubbish”是什么意思？

I don't know that word. 翻译：我不认识那个单词。

It means "garbage" in American English. 翻译：它在美式英语中的意思是“垃圾”。

Oh, I see. 翻译：噢，我明白了。

There's a lot of rubbish in the schoolyard. 翻译：校园里有许多的垃圾。

We should pick up the garbage! 翻译：我们应该捡垃圾！

Let's do it now. 翻译：我们现在就来捡垃圾吧。

It would take too long. 翻译：它要花太长时间了。

There are only three of us! 翻译：只有我们三个人！

We're studying pollution in class this week. 翻译：本周我们要在课堂上研究污染问题。

Garbage is a type of pollution. 翻译：垃圾是一种污染。

This could be a class project! 翻译：这可能成为一个班级课题！

We can ask our classmates to help us. 翻译：我们可以请我们的同学来帮助我们。

Good idea. 翻译：好主意。

Each student could clean up a bit of the schoolyard. 翻译：每个学生都可以打扫一点儿校园。

We would finish cleaning in an hour! 翻译：我们将会在一个小时内打扫完！

(Jenny explains the plan to the class. 翻译：（詹妮向全班同学解释了一下这个计划。

All the students agree to help. 翻译：所有的学生都同意帮忙。

They wear gloves and carry brown bags. 翻译：他们戴上手套、提着棕色的袋子。

They begin to pick up the garbage.) 翻译：他们开始捡垃圾。）

Danny, you lost your homework, right? 翻译：丹尼，你弄丢了你的家庭作业，对吗？

I think I found it! 翻译：我想我找到它了！

Look at this piece of paper! 翻译：看看这张纸！

Oh no! 翻译：噢，不！

Learning Tip 翻译：学习提示

World Environment Day began in 1972. 翻译：世界环境日开始于1972年。

It's organized by the U.N. every year in different countries. 翻译：每年，它是由联合国在不同的国家所组织的。

Its aim is to remind people to protect the environment. 翻译：它的目的就是提醒人们要保护环境。

Let's Do It! 翻译：做一做！

Read the lesson and write true (T) or false (F) . 翻译：读课文，写出正（T）误（F）。

Jenny, Brian and Danny are going to do something on World Environment Day. 翻译：詹妮、布赖恩和丹尼打算在世界环境日那天做些事情。

They are studying geography this week. 翻译：本周他们要学习地理。

They are going to pick up the garbage on the street. 翻译：他们打算在街上捡垃圾。

Jenny found Danny's homework. 翻译：詹妮找到了丹尼的家庭作业。

Listen to the dialogue and tick the correct answers. 翻译：听对话，勾出正确答案。

Where are they talking? 翻译：他们正在哪儿谈话？

In the market. 翻译：在市场。

In the schoolyard. 翻译：在校园里。

What are they talking about? 翻译：他们正在谈论什么？

Picking up garbage. 翻译：捡垃圾。

Playing soccer. 翻译：踢足球。

What is the class project about? 翻译：这个班级课题是关于什么的？

Environment. 翻译：环境。

Pollution. 翻译：污染。

Complete the dialogue with the correct forms of the words in the box. 翻译：用方框中单词的正确形式完成对话。

pollution 翻译：污染

rubbish 翻译：垃圾；废物

schoolyard 翻译：校园

agree 翻译：同意

clean 翻译：打扫

attention 翻译：注意；留心

Look at the sky! 翻译：看看天空！

It's always grey. 翻译：它总是灰色的。

We can't even see the sky clearly. 翻译：我们甚至不能清楚地看见天空。

If this goes on, the birds will fly away and never come back. 翻译：如果这样继续下去，鸟儿们将会飞走，而且绝不会回来。

Our river used to be very clean. 翻译：我们的河流过去非常干净。

But now look at the water! 翻译：但是现在看看这水！

There is too much rubbish left by the factories. 翻译：有太多工厂留下的垃圾了。

If this goes on, the fish will die. 翻译：如果这样继续下去，鱼儿们将会死去。

People should do something to stop the pollution. 翻译：人们应该做点事情来阻止污染。

I agree. 翻译：我同意。

Let's do something to draw people's attention to this problem. 翻译：让我们做点事情来吸引人们对这个问题的注意吧。

How about putting up a poster? 翻译：张贴一张海报怎么样？

Good idea. 翻译：好主意。

Jeff, I think our schoolyard is also quite dirty. 翻译：杰夫，我认为我们的校园也非常脏。

Let's call our classmates to help clean it before the new term starts. 翻译：让我们在新学期开始之前召集我们的同学来帮忙打扫一下吧。

OK. 翻译：好的。

We would finish cleaning in an hour! 翻译：我们将会在一个小时内打扫完！

Each World Environment Day has a theme. 翻译：每一个世界环境日都有一个主题。

Here are some examples. 翻译：这里有一些例子。

Can you think of your own theme for it? 翻译：你能为它想出你自己的主题吗？

1994 One Earth, One Family 翻译：1994年 一个地球，一个家庭

1997 For Life on Earth 翻译：1997年 为了地球上的生命

2002 Give Earth a Chance 翻译：2002年 给地球一个机会

2005 Green Cities — Plan for the Planet 翻译：2005年 营造绿色城市——呵护地球家园

2011 Forests: Nature at Your Service 翻译：2011年 森林：大自然为您效劳

2012 Green Economy: Does It Include You? 翻译：2012年 绿色经济：你参与了吗？

Lesson 44: Environment Clubs 翻译：第44课：环境俱乐部

THINK ABOUT IT 翻译：想一想

What do you do when you see somebody throwing garbage on the ground? 翻译：当你看见有人正往地上扔垃圾时，你会做什么？

Does your school have an environment club? 翻译：你的学校有环境俱乐部吗？

I'm a member of an environment club. 翻译：我是环境俱乐部的一个成员。

Let's work together to make our environment clean. 翻译：让我们合作共事以净化我们的环境吧。

Could your school do some of these things? 翻译：你的学校能做一些这样的事情吗？

In North America, many students join environment clubs. 翻译：在北美洲，许多学生加入环境俱乐部。

In an environment club, students work together to reduce pollution and protect the environment. 翻译：在环境俱乐部中，学生们合作共事来减少污染、保护环境。

The following is a list of their activities and advice. 翻译：以下就是他们活动和建议的一张列表。

No-garbage lunches: How much garbage do you throw away after lunch? 翻译：无垃圾午餐：午餐后，你扔掉了多少垃圾？

Environment clubs encourage students to bring their lunches in reusable bags and dishes. 翻译：环境俱乐部鼓励学生们用可重复使用的袋子和餐具来带他们的午餐。

The class with the least garbage gets a prize. 翻译：垃圾最少的班级会得到一个奖品。

No-car days: On a no-car day, nobody comes to school in a car — neither the students nor the teachers! 翻译：无汽车日：在无汽车日那天，没有人坐汽车来学校——学生和老师都不行！

Cars pollute our air, so remember: 翻译：汽车会污染我们的空气，所以记住：

Walk, skip, bike or run. 翻译：走路，跳，骑自行车或跑步。

Use your legs! 翻译：只能使用你的腿！

It's lots of fun! 翻译：其乐无穷哦！

Bring your own shopping bag! 翻译：带上你的购物袋！

Bring your own bag when you go shopping. 翻译：当你去购物时，带上你自己的袋子。

It's a good way to reduce packaging. 翻译：减少包装不失为一个好方法。

Save water! 翻译：节约用水！

Did you know that a leaky toilet can waste 20 to 40 litres of water an hour? 翻译：你知道漏水的马桶一小时能浪费20到40公升的水吗？

In a year, that would fill a large swimming pool! 翻译：一年之内，那就会填满一个大型游泳池了！

In environment clubs, students fix leaky toilets and sinks. 翻译：在环境俱乐部中，学生们会维修漏水的马桶和水槽。

Save electricity! 翻译：节约用电！

Turn off the lights when you leave a room. 翻译：当你离开房间时，要关灯。

Turn off the television and shut down the computer when you are not using them. 翻译：当你不用它们时，要关掉电视机、关闭电脑。

Let's Do It! 翻译：做一做！

Read the lesson and answer the questions. 翻译：读课文，回答问题。

Why do many students join environment clubs in North America? 翻译：在北美洲，为什么许多学生加入环境俱乐部？

Why do the students take their own bags when they go shopping? 翻译：当学生们去购物时，他们为什么要带上自己的袋子？

How do the students in an environment club save water? 翻译：环境俱乐部中的学生们是如何节约用水的？

How do they save electricity? 翻译：他们怎样节约用电？

Fill in the blanks with the correct forms of the words in the box. 翻译：用方框中单词的正确形式填空。

waste 翻译：浪费

least 翻译：最少的

nobody 翻译：没有人

shut 翻译：关闭

pollute 翻译：污染

The soap factory polluted the drinking water in this area. 翻译：这家肥皂制造厂污染了这片地区的饮用水。

Students should not waste paper. 翻译：学生们不应该浪费纸。

Nobody knows when life on the earth started. 翻译：没有人知道地球上的生命是何时开始的。

He who talks the most knows the least. 翻译：他说的最多，知道的最少。

I couldn't shut the window because it was stuck. 翻译：我不能关上窗户，因为它被卡住了。

Read the passage and fill in the blanks. 翻译：读短文，填空。

In some countries of the world, people have started to reduce the amount of garbage they make. 翻译：在世界的某些国家，人们已经开始减少他们所制造的垃圾的数量。

How? 翻译：怎样做呢？

First, they buy fewer things. 翻译：第一，他们买的东西更少了。

They try to buy only what they really need. 翻译：他们试着只买他们真正需要的东西。

When you buy fewer things, you throw away fewer things. 翻译：当你买的东西更少时，你扔掉的东西就更少了。

Second, they reuse things. 翻译：第二，他们重复使用物品。

They use things, and then they use them again! 翻译：他们使用物品，然后他们会再使用它们！

Third, they recycle things. 翻译：第三，他们回收利用物品。

They make old things into new things. 翻译：他们把旧物品变为新物品。

People call these the "three Rs": reduce, reuse and recycle. 翻译：人们把这些称为“3R原则”：减少，重复使用和回收利用。

The three Rs help us remember that pollution is a problem. 翻译：3R原则帮助我们牢记污染是一个问题。

Suppose your school's environment club wants to make a poster about littering and recycling. 翻译：假设你学校的环境俱乐部想要制作一张有关乱扔垃圾和回收利用的海报。

Can you make one? 翻译：你能制作一张吗？

Here's an example. 翻译：这里有一个例子。

Stop Pollution! 翻译：停止污染！

We have a nice, clean schoolyard. 翻译：我们拥有一个美丽而又干净的校园。

Let's keep it this way. 翻译：我们让它保持这样吧。

Don't litter! 翻译：不要乱扔垃圾！

Always put your garbage in a garbage can. 翻译：每次都把你的垃圾放进垃圾桶里。

Never throw it on the ground. 翻译：决不把它扔在地上。

Recycle! 翻译：回收利用！

Stop and think before you throw something out: 翻译：在你把某物扔掉之前，先停下来想一想：

Can I use this again? 翻译：我能再使用这个吗？

Can this be recycled? 翻译：这个能被回收利用吗？

Together, we can help keep our world clean! 翻译：团结一致，我们就可以帮助保持我们的世界清洁！

Lesson 45: Let's Sort Garbage! 翻译：第45课：让我们把垃圾分类吧！

THINK ABOUT IT 翻译：想一想

What do you do with your garbage? 翻译：你怎样处理你的垃圾？

What kinds of things can be recycled and reused? 翻译：哪种物品可以被回收利用、被重复利用呢？

GLASS 翻译：玻璃

METAL 翻译：金属

PLASTIC 翻译：塑料

PAPER 翻译：纸

OTHERS 翻译：其他

Danny empties two bags of garbage onto the floor. 翻译：丹尼把两袋垃圾倒在了地面上。

That's a lot of garbage! 翻译：垃圾真多啊！

Can I help you sort it? 翻译：我可以帮你把它分类吗？

Yes, please. 翻译：可以，请。

Let's put the glass here, the metal here, the plastic here and the paper here. 翻译：让我们把玻璃放在这儿，把金属放在这儿，把塑料放在这儿，然后再把纸放在这儿吧。

(After they sort the garbage, Danny and Jenny are surprised. 翻译：（在他们把垃圾分类之后，丹尼和詹妮都很吃惊。

Almost all of it can be reused or recycled! 翻译：所有的垃圾几乎都可以被重复使用或回收利用！

They need to throw away only one small bag of garbage!) 翻译：他们需要扔掉的只有一小袋垃圾而已！）

People throw too much away. 翻译：人们扔掉太多了。

They shouldn't waste so much! 翻译：他们不应该这么浪费！

That's right. 翻译：没错。

Look! 翻译：看！

There is more paper than plastic. 翻译：纸比塑料更多。

And there is less metal than plastic. 翻译：而金属比塑料更少。

There is the least amount of glass. 翻译：玻璃的数量最少。

And the most amount is paper. 翻译：而数量最多的是纸。

It is a waste to use paper only on one side. 翻译：只使用纸的一面是一种浪费。

Hey! 翻译：嘿！

I found a toy car. 翻译：我发现了一辆玩具车。

One of the wheels is broken. 翻译：其中一个车轮坏了。

I'll take this car home and clean it. 翻译：我要把这辆车带回家，并把它弄干净。

Then I'll use some glue to fix the broken wheel. 翻译：然后我要用一些胶水来固定这个坏车轮。

When I finish fixing this car, I will give it to my little cousin, Debbie. 翻译：当我修完这辆车，我要把它送给我的小表妹黛比。

Nobody should throw away a toy like this. 翻译：没有人应该扔掉一个像这样的玩具。

It can be fixed. 翻译：它可以被修好。

It's not right to waste things. 翻译：浪费东西是不对的。

Look at all of the glass. 翻译：看看所有的玻璃。

It can all be recycled and made into new glass. 翻译：它都可以被回收利用，制成新玻璃。

A lot of glass is broken. 翻译：许多玻璃都碎了。

It's dangerous to leave broken glass on the ground. 翻译：把碎玻璃留在地上是很危险的。

Once, I cut my foot on a piece of broken glass. 翻译：有一次，我被一块碎玻璃划伤了脚。

Litter can hurt people! 翻译：垃圾可能会使人受伤！

Let's Do It! 翻译：做一做！

Read the lesson and write true (T) or false (F). 翻译：读课文，写出正（T）误（F）。

There is a lot of garbage: glass, metal, plastic and paper. 翻译：有许多垃圾：玻璃、金属、塑料和纸。

There is the most amount of glass and the least amount of paper. 翻译：玻璃的数量最多，而纸的数量最少。

Danny found Debbie's toy car in the garbage. 翻译：丹尼在垃圾里面找到了黛比的玩具车。

Danny once cut his foot on a piece of broken glass. 翻译：丹尼曾经被一块碎玻璃划伤了脚。

Circle the words that "it" refers to in each sentence. 翻译：圈出每个句子中“it”所指代的那些单词。

Example: 翻译：例子：

It is a waste to use paper only on one side. 翻译：只使用纸的一面是一种浪费。

It is fun to travel! 翻译：旅行是很有趣的！

It is not right to waste things. 翻译：浪费东西是不对的。

It is quite easy to find information with this program. 翻译：用这个程序查找信息是相当容易的。

They think it is rude to point with a finger. 翻译：他们认为用手指指是很粗鲁的。

It is dangerous to leave broken glass on the ground. 翻译：把碎玻璃留在地上是很危险的。

Learn to learn 翻译：学会学习

As we know, "it" can be used to refer to time, weather, distance or something mentioned before. 翻译：正如我们所知，“it”可以被用来指时间、天气、距离或前面所提到过的某物。

Study the sentences above. 翻译：研究一下上面的句子。

Can you find other ways of using "it"? 翻译：你能找出“it”的其他用法吗？

PROJECT 翻译：课题

SORT THE GARBAGE 翻译：把垃圾分类

Go for a walk around your neighbourhood. 翻译：去你的社区周围散散步。

Take a bag with you and pick up any garbage you see. 翻译：你带上一个袋子，然后捡起你所看见的任何垃圾。

Wear gloves because garbage is dirty. 翻译：戴上手套，因为垃圾很脏。

Bring the garbage to school. 翻译：把垃圾带到学校。

Don't throw it away! 翻译：不要把它扔掉！

What kind of garbage did you find? 翻译：你找到了哪种垃圾呢？

Sort the garbage. 翻译：把垃圾分类吧。

Make a pile for paper, plastic, metal, glass and other things. 翻译：将纸、塑料、金属、玻璃和其他物品分堆叠放。

How much of each type of garbage do you have? 翻译：每种类型的垃圾，你拥有多少呢？

What type do you have the least/most amount of? 翻译：你拥有的数量最少或最多的垃圾是什么类型的？

Do you want to throw away the garbage now? 翻译：你现在想把垃圾扔掉吗？

Don't! 翻译：不要！

What else could you do with it? 翻译：你能用它做点别的什么吗？

Think! 翻译：想一想！

Could you use some of the garbage again? 翻译：你能再使用其中的一些垃圾吗？

How? 翻译：怎样使用呢？

How could people make less garbage? 翻译：人们怎样才能制造更少的垃圾？

Talk about this and write down your ideas. 翻译：谈论一下这个并写下你的想法。

Now you can take out the garbage! 翻译：现在你可以把垃圾拿出去了！

Lesson 46: Protect Our Environment 翻译：第46课：保护我们的环境

THINK ABOUT IT 翻译：想一想

Is your hometown clean enough? 翻译：你的家乡够干净吗？

Do you have any ideas for reducing waste? 翻译：你有一些减少浪费的主意吗？

Do you worry about pollution? 翻译：你担心污染吗？

We like to ride bikes. 翻译：我们喜欢骑自行车。

It's good for the environment. 翻译：它有利于环境。

My name is Katie. 翻译：我的名字叫凯蒂。

I think everybody should take care of the environment. 翻译：我认为每个人都应该爱护环境。

I live in Edmonton. 翻译：我住在埃德蒙顿。

It is a city in Canada. 翻译：它是加拿大的一座城市。

The air and water are clean in Edmonton, but sometimes people waste a lot. 翻译：在埃德蒙顿，空气和水都很干净，但是有时人们会非常浪费。

What do we waste the most? 翻译：我们浪费最多的是什么？

Paper, I think. 翻译：我认为是纸。

People waste water, too. 翻译：人们也浪费水。

I don't want to waste water. 翻译：我不想浪费水。

I try to save water in many ways. 翻译：我试着用许多方法来节约用水。

I take short showers. 翻译：我会缩短淋浴时间。

I often check to make sure there aren't any leaks, and I never forget to turn off the tap. 翻译：我经常检查以确保没有任何漏水情况，而且我从不会忘记要关水龙头。

Do we recycle at home? 翻译：在家里我们回收利用吗？

Yes! 翻译：是的！

We sort our pop cans, beer bottles and waste paper. 翻译：我们把我们的易拉罐、啤酒瓶和废纸进行分类。

A truck picks up our recycling every week. 翻译：每周，货车都会运走我们回收利用的物品。

It is made into new things. 翻译：它被制成新物品。

We reuse our plastic bags, too. 翻译：我们也重复使用我们的塑料袋。

We use them again and again, or we put other garbage in them. 翻译：我们反复地使用它们，或者我们会把其他垃圾放在它们里面。

Cars and factories make the most pollution. 翻译：汽车和工厂制造的污染最多。

I think there are too many cars in Edmonton. 翻译：我认为在埃德蒙顿有太多的汽车了。

More people should ride bikes or take buses. 翻译：更多的人应该骑自行车或坐公共汽车。

I ride my bike to school every day. 翻译：我每天骑自行车去学校。

Unlike other types of transportation, a bike doesn't make any pollution. 翻译：不像其他类型的交通工具，自行车不会制造任何污染。

Buses make some pollution, but lots of people can travel on a bus. 翻译：公共汽车会制造一些污染，但是许多人可以坐在一辆公共汽车上旅行。

Buses make less pollution than cars. 翻译：公共汽车比汽车制造的污染要少。

In fact, if each of us makes a small change in our life, we can make a big difference to our environment. 翻译：事实上，如果我们每个人在生活中做一点小变动的话，我们就可以对环境产生很大影响。

It's not too hard to protect the environment. 翻译：要保护环境并不是太难。

We just need to try. 翻译：我们只需要去尝试。

Let's Do It! 翻译：做一做！

Read and tick the points mentioned in the lesson. 翻译：阅读并勾出课文中所提到的那些点。

sort garbage at home 翻译：在家里把垃圾分类

reuse plastic bags 翻译：重复使用塑料袋

bring your own bag when you go shopping 翻译：当你去购物时，带上你的袋子

ride bikes or take buses 翻译：骑自行车或坐公共汽车

pick up rubbish off the street 翻译：沿街捡垃圾

turn off the lights when you leave a room 翻译：当你离开房间时，要关灯

turn off the television and shut down the computer when you are not using them 翻译：当你不用它们时，要关掉电视、关闭电脑

take short showers 翻译：缩短淋浴时间

Compare the two pictures. 翻译：比较一下两幅图片。

Tick the words to describe the differences. 翻译：勾出描述差异的单词。

pollution 翻译：污染

clean 翻译：干净的

garbage 翻译：垃圾

air 翻译：空气

car 翻译：汽车

sky 翻译：天空

transportation 翻译：交通工具

travel 翻译：旅行

tree 翻译：树

environment 翻译：环境

What can we do to help the environment? 翻译：我们可以做些什么来帮助保护环境？

Read and match. 翻译：读一读并连线。

We should open a window instead of turning on the air conditioning. 翻译：我们应该打开窗户，而不是开空调。

We should use both sides of the paper. 翻译：我们应该使用纸的两面。

We shouldn't throw garbage on the ground. 翻译：我们不应该把垃圾扔在地上。

We should sort the waste before throwing it away. 翻译：在扔掉废弃物之前，我们应该把废弃物进行分类。

We shouldn't cut down trees in forests. 翻译：我们不应该砍倒森林里的树木。

We should turn off the tap when we are brushing our teeth. 翻译：当我们在刷牙时，我们应该关掉水龙头。

Lesson 47: Connected to Nature 翻译：第47课：与大自然相连

THINK ABOUT IT 翻译：想一想

Do all the living things on the planet depend on one another? 翻译：地球上的所有生物都相互依赖吗？

What can we do for nature? 翻译：我们可以为大自然做些什么呢？

The natural world is filled with living things. 翻译：自然界充满了生物。

Living things start out weak and small and slowly grow strong and big. 翻译：生物刚开始又小又虚弱，然后慢慢地变得又大又强壮。

You are a living thing. 翻译：你就是一个生物。

Each of your classmates is a living thing. 翻译：你的每一个同学都是一个生物。

Flowers, grass and trees are living things, too. 翻译：花、草和树木也都是生物。

Bees, ants, doves, dogs and cats — these are all living things. 翻译：蜜蜂、蚂蚁、鸽子、狗和猫——这些都是生物。

All living things need food and water to grow. 翻译：所有的生物都需要食物和水才可以生长。

Think about yourself. 翻译：想想你自己吧。

When you are hungry, you need to eat. 翻译：当你饿了的时候，你需要吃。

You eat fruit, vegetables, meat and fish. 翻译：你吃水果、蔬菜、肉和鱼。

They can help you grow big and strong. 翻译：它们可以帮助你长得又大又强壮。

You drink water when you are thirsty. 翻译：当你渴了的时候，你要喝水。

Now think about a tree. 翻译：现在想想一棵树吧。

When a tree is hungry, it gets food from the soil. 翻译：当树饿了的时候，它就从土壤中提取食物。

Trees drink water, too. 翻译：树也会喝水。

We are different in some ways, but all living things are connected. 翻译：我们在某些方面是不同的，但是所有的生物都是相连的。

We all live on the same planet, and we depend on each other. 翻译：我们都居住在同一个星球上，而且我们相互依赖。

If we pollute the rivers and oceans, fish may get sick or even die. 翻译：如果我们污染了河流和海洋，鱼儿可能就会得病，甚至死亡。

Some birds live off fish. 翻译：一些鸟以鱼为食。

If the birds eat the sick or dead fish, they may die off. 翻译：如果这些鸟吃了生病或死了的鱼，它们可能会相继死去。

Nature is a balance between all the living things on the planet. 翻译：大自然是地球上所有生物之间的一个平衡点。

If one species dies off, then another species may die off, followed by another, and another ... 翻译：如果一个物种灭绝，那么另一个物种可能就会灭绝，接着是另一个，再另一个……

We should respect the earth and all the living things on it. 翻译：我们应该尊重地球以及地球上的所有生物。

Let's Do It! 翻译：做一做！

Read the lesson and put these sentences in the correct order. 翻译：读课文，将这些句子按正确的顺序排列。

All living things are connected. 翻译：所有生物都是相连的。

We should protect the environment. 翻译：我们应该保护环境。

Living things live in the world. 翻译：生物生活在世界上。

All living things need water and food to grow. 翻译：所有生物都需要水和食物才可以生长。

Fill in the blanks with the correct forms of the words in the box. 翻译：用方框中单词的正确形式填空。

respect 翻译：尊敬；敬重

connect 翻译：连接；相连