Unit 2 Saving the Earth拯救地球

Topic 1 Pollution causes too many problems.

话题1 污染产生了太多的问题。

 (Kangkang, Jane, Maria and Michael are planning a picnic.)

（康康、简、玛丽亚和迈克尔正在准备一次野餐。）

Jane and Maria： Kangkang, where shall we go?

简和玛丽亚： 康康，我们要去哪里？

Kangkang： What about the West Hill? I've been there before. It's a beautiful place with lots of flowers and grass.

康康： 西山怎么样？我以前去过那里。一个有花有草的漂亮地方。

The air is fresh and the water is clean, and you will see bees and butterflies dancing.空气很新鲜，水很清彻，你可以看到飞舞的蜜蜂和蝴蝶。

Michael： Sounds great. Let's go there.听起来很好。让我们去那里吧。

 (Two days later, they come to the West Hill.)

（两天后，他们来到西山。）

Kangkang： Oh, my goodness! The flowers and grass have gone!

康康： 噢，我的天啦！所有的花草都不见了！The water is so dirty. It smells terrible. What has happened here?

水很脏。闻起来臭臭的。这里发生了什么事？

Maria： Look, there are several chemical factories pouring waste water into the streams.

玛丽亚： 看，那里有几家化工厂把废水倒进河流里。

Kangkang： Everything has changed.康康： 一切都改变了。

Michael： Do you still want to have the picnic here?

迈克尔： 你们还想在这里野餐吗？

Jane： Of course not.当然不。

2 Work alone独立练习

It is generally believed that pollution does great harm to animals. Listen and number the pictures.

众所周之，污染对动物伤害巨大。听，给图片添上编号。

1 I am good at running. Leaves and grass are my favorite, but they have almost disapear around there.

1 我擅长奔跑。树叶和草是我的最爱，但是这儿都快没有了。

2 I can fly in the sky, just like a kite. I can bring you good luck, but I can't find a lot trees to live in.

2 我能在天上飞，像风筝一样。我能给你们带来好运，但是我找不到很多树木居住。

3 I have the longest leg in the world, and I am the tallest animal in the world. But people cut down the trees, so I don't have enough leaves to eat.

3 我有世界上最长的腿，并且我是世界上最高的动物。然而，人们砍掉了树木，所以我没有足够的树叶吃。

4 Many people love me. But now there isn't enough bamboo, so I often fell hungry. Please help me.

4 很多人喜欢我。但是现在没有足够的竹子，所以我经常挨饿。请救救我。

5 I am large and live in the sea. And I don't like polluted water at all.

5 我很大，生活在海洋里。并且我很不喜欢污染的水。

6 I live in the river, and I'm small in size. The water is too dirty for me to live in. I'm in danger.

6 我生活在水里，体型很小。水太脏了以至于我没法生活，我处在危险的边缘。

Section B

1a Look, listen and say

 (An old lady is coughing. She looks weak.)

（一个老妇人在咳嗽。她看起来很虚弱。）

Kangkang： Good morning, Granny. What's wrong with you?

康康： 早上好，奶奶。你怎么了？

Granny： Oh, boy. It's difficult for me to breathe.

奶奶： 噢，孩子。我呼吸困难。

Kangkang： How long have you been like this?

康康： 你像这样有多久了？

Granny： I've been like this since last week.

奶奶： 从上周开始我就像这样了。

Kangkang： Have you seen a doctor?你看过医生了吗？

Granny： No, I haven't. The chemical factory produces terrible gas. The bad air makes my chest hurt.

奶奶： 没有。化工厂制造有害气体。有害的空气使我的胸腔受损。

What's more, the factory makes too much noise and I can't sleep well at night.而且，工厂制造了很多的噪音，我晚上睡不好。

Kangkang： That's too bad.那太糟糕了。

Granny： I'm always in a bad mood because I can't stand the environment here.奶奶： 我总是心情不好，因为我不能忍受这里的环境。Have you notice the dead fish in the river? Anyway, I hope the government will solve this problem soon.你注意到河里的死鱼了么？无论如何，我希望政府能尽快解决这个问题。

Kangkang： Oh, yes. Pollution causes too many problems.

康康： 哦，是的。污染引起了很多问题。 I think I should write to the newspaper about these problems. But now you'd better go and see a doctor.我想我应该把这些问题写给报社。但现在你最好去看看医生。

Section C 1a Read and understand

In today's world, almost everyone knows that air pollution is harmful to people's health.现今世上，几乎每个人都知道空气污染有害人们的健康。However, not all people know that noise is also a kind of pollution and is harmful to humans' health.

然而，并非所有的人都知道噪音也是一种污染，也会对人类健康造成危害。People who work and live in noisy conditions go deaf easily.

在嘈杂的环境中工作和生活的人们很容易会变聋。For example, many of the workers who print newspapers and books go deaf.

例如，印报纸和印书的很多工人变聋了。Quite a few people living near airports also have hearing loss.居住在机场附近的相当多的人听力也受损了。Recently it is reported that many teenagers in America can hear no better than 65-year-old people do,近来，据报道，美国许多青少年的听力几乎和65岁的老人一样差。because these young people always listen to loud pop music.这是因为这些青少年总听劲爆的流行音乐。 Making a loud noise in public is also a kind of pollution;在公共场所制造大的噪音也是一种污染；

it not only disturbs others but also does great harm to people's hearing.它不仅干扰到其他人，而且对人们的听力还有极大的伤害。

Cars and machines also produce too much noise.汽车和机器也制造了太多的噪音。Such pollution makes people feel uncomfortable and unpleasant, and it can even cause them to become sick or deaf.

这样的污染让人们觉得不舒服和不高兴，并且它甚至能导致人们生病或变聋。Nowadays many countries are trying to solve all sorts of environmental problems, including noise pollution.现在，许多国家正在努力解决各种各样的环境问题，包括噪音污染。

Section D  1a Read and understand阅读理解

There are many kinds of pollution around us, such as air pollution, soil pollution, noise pollution and light pollution.

我们周围有很多种污染，例如空气污染，土地污染，噪音污染和光污染。They are bad for our health in many ways.它们在很多方面对我们的健康有害。Burning gas, oil and coal creates air pollution. It can cause sore eyes and breathing problems.燃烧的煤气，石油和煤造成空气污染。它会导致眼睛疼痛和呼吸问题。With the increase in population and the development of industry, litter is everywhere. 随着人口增长和工业发展，到处都是垃圾。It makes our environment dirty.这使我们的环境变脏。People put lots of litter into the land. In the fields, farmers use too many chemicals which destroy the soil. 人们把许多垃圾堆积到土地上。农田里，农民们使用了太多破坏土壤的化学制品。Soil pollution causes unhealthy food.土壤污染导致食品不健康。Noise pollution can make people deaf.噪音污染会让人们变聋。For example, people may lose their hearing if they work in a noisy place for a long time.例如，如果人们长时间在嘈杂的地方工作，他们可能会失去听觉。

Too much noise can cause high blood pressure as well.太多的噪音还会导致高血压。Working in strong, changeable light for a long time may cause some kinds of illnesses. 长时间在强烈、不稳定的光源下工作可能会引起一些疾病。It makes people feel terrible and is especially bad for the eyes.这使人们感到难受，尤其对眼睛有害。With less pollution, our planet will become greener and our health will be better. Let's be greener people.如果污染更少，我们的星球就会变得更绿，我们的健康就会更好。让我们做绿色环保人士吧。

2a Grammar focus语法重点

Direct speech and indirect speech直接引语和间接引语

Mrs.Zhou said, "I'm feeling even worse."

周夫人说，“我感到更糟糕了。”

Mrs.Zhou said that she was feeling even worse.

周夫人说她感到更糟糕了。

"Are you feeling better now, Mrs.Zhou?" The journalist asked.

 “你感觉好些了吗，周夫人？”记者问。

The journalist asked Mrs.Zhou if/whether she was feeling better then.记者问周夫人她是否感觉好些了。

"What is the environment around this place like?" The journalist asked. “这地方周围的环境如何？”记者问。

The journalist asked what the environment around that place was like.记者问这地方周围的环境如何。

2b Useful expressions习惯用语

Oh, my goodness!噢，我的天啦！

The flowers and grass have gone!所有的花草都消失了！

Noise is harmful to human's health.噪音对人们的身体健康有害。

There are several chemical factories pouring waste water into the streams.这里有几个化工厂把废水倒进河流。

Anyway, I hope the goverment will solve this problem soon.

无论如何，我希望政府能尽快解决这一问题。

... Many teenagers in America can hear no better than 65-year-old people do, ...

……美国许多青少年的听力几乎和65岁的老人一样差，……

 

chemical [ˈkemikəl] adj.化学的；n.化学品

be harmful to... (尤指对健康或环境)有害的，导致损害的

hearing loss听力丧失

rubbish [ˈrʌbiʃ]

sawmill [ˈsɔ:ˌmɪl] n.(把木材锯成木板的)锯木厂