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Unit 9 Lesson 34

Saving the earth --By Gu Bingyu

Our earth is injured and she is being sent to hospital .

earth

air

water

most serious

problems

The area of desert is growing.

too many sheep and cattle

all the grass be eaten

grass never grow again ; the land become desert

trees be cut down

nothing to hold…

soil be blown away

soil be washed into…

Chemicals in smoke cause a lot of damage.

travel ; fall to the ground

in the rain

trees be destroyed

fish be killed

smoke from factories , power stations and cars

accidents

I.

II.

Time :

1986

Place :

at a nuclear power

station in Russia

Results :

125,000 die

Time :

Place :

Results :

1984

at a factory in the

town of Bhopal

in India

2500 be killed;

many lose sight

waste from factories and cities

1989

35,000

34,000

10,000

4,800

a sinking oil tanker

summary

earth

air

water

fact

causes

results

desert grow

every year

be polluted;

chemical rain

be polluted;

diseases

cattle ; trees be

cut down

have less farm

land

smoke from… ;

accidents

forests be destroyed;

fish be killed ;

do harm to people

waste from … ;

accidents

living things be killed ; have less

drinking water ; nowhere to swim

Choose the best answers

1.Which of the following statements is not true according to the

passage?

A. Farmers are increasing the numbers of their cattle.

B. Farmers are limiting the numbers of their cattle.

C. Heavy rains and strong winds are destroying the valuable soil.

D.Fewer trees are left to hold the soil in place on the hillside.

2.Air pollution doesn't cause _______.

A. the destroying of forests

B. the killing of fish in lakes

C. illnesses and injuries to people

D. the spreading of clouds of radiation

3.What is the possible reason why the Mediterranean can’t clean

itself?

A.One quarter of the shores are polluted.

B. A lot of diseases are present in the water.

C. It lies between Europe and Africa.

D. It has only one narrow entrance to the ocean.

4. The 1st part of the passage is mainly about ________.

A. the reasons why the area of desert is growing

B. the numbers of cattle farmers should keep

C. the valuable soil strong winds blow away

D. the damage rains and winds bring about

5. If people change their habits, pollution _______.

A. can be completely stopped

B. will become less and less

C. can do less damage to people

D.will do no harm to people

6. According to the text _________ are the worst enemy of nature.

A. cattle B. humans

C. deserts D. chemicals

Fill in the blanks with suitable words.

1. The area of desert in the world is growing. One cause of the

problem is the increase of the number of _________, which eat

up grass. Without grass, land turns into ________. ________

problem is that trees are cut down. There is nothing to ________

the soil. Strong winds also _______ away the soil on the top of

the fields.

2. Air pollution comes from factories, power stations and cars.

________ in the smoke from power stations can destroy trees and

kill the fish in the rivers, lakes and seas. Time and time again

there are serious radiation accidents that ________ the air. Many

people were ______ or killed.

3. Waste from factories and cities can also pollute water. Oceans are

able to clean ________, but certain seas, once they are polluted, are

not able to do so. Lakes also have the same ________. Some lakes

have been seriously _______. A lot of diseases are ________ in them,

so they are not safe for _________ and lots of animals and plants

___ them have been killed.

cattle

desert

Another

hold

blow

Chemicals

pollute

injured

themselves

problems

dirtied

present

swimming

in

A PROPOSAL

1. Don’t use one-off chopsticks , lunch-boxes and cups.

2. Don’t use paper tissue when you sneeze,use handkerchief

instead.

3. Don’t send post-cards.Send electronic cards by e-mail.

4. Don’t throw rubbish at will.

5. Don’t make a lot of noise.

6. Don’t waste water

7. Don’t waste electricity.

8. Don’t destroy trees and grass.

Homework

假如你是班长，现在要你代表全班同学给市长写一封信反映学

校前小河被污染的情况。

内容应包括以下几点：

1。过去河水清澈见底，还有小鱼在水中游来游去。

2。现在河水又臭又脏，水面上到处都漂着各种垃圾。

3。河水被污染的原因是沿河几家工厂大量排放污水和沿

河居民乱丢垃圾。

4。希望政府能采取一些措施来解决这一问题。

5。 呼吁人们保护我们的环境。

字数：100 字左右

Dear Major,