.


:




:

































 

 

 

 


VI. Listen to the recording and mark the following statements as True or False.




1) The lady came to the Earth in a space ship.

2) She says this year is our last chance to change our lifestyle to save the Earth.

3) By the year 2200, the air was too polluted for humans to breathe.

4) Scientists didnt warn about overpopulation.

5) Terrible wars broke out between the elderly and the youth.

6) People of the future found another safe planet to call their home.

VII. Put the sentences into the right order:

A. People continued to dump dangerous chemicals and other waste into lakes and oceans.

B. Wars broke out between the elderly and the poor.

C. There were too many people on the Earth.

D. People cut down the trees.

E. Food became scarce.

F. People of the future must travel around the universe looking for a place to call their home.

G. Humans had to use other types of liquid.

 

VIII. Choose the environmental problems from the box people will face in the future.

deforestation destruction of natural resources littering lack of food desertification depletion of the ozone layer air pollution extinction of animal species acid rain smog overpopulation water pollution radioactive contamination

IX. Answer the questions after listening to each paragraph:

1 . What are people able to do in the year 2500?

2 . Why has the lady returned to this year?

3 . How many people were worried about polluting the earths air and water in the middle of the 20th century?

What people continue to do?

4 . Was there an alternative to drinking water?

What did scientists warn about?

5 . Why did food become scarce?

What were scientists looking for?

6 . Why did people have to leave the Earth?

Who was able to leave the planet?

Where do they live now?

7 . What must we do now?

WHAT DO YOU THINK?

What do you think about our modern lifestyle? Check the opinions you agree with.

ü We should definitely change our lifestyle. We should think about the environment.

ü I understand that we need to change, but I dont want to give up the comfortable and convenient life I have now.

ü To tell the truth, I dont care. I wont be around in the future.

ü We dont have to worry. Scientists always find answers to our problems.

ü We have to start changing the way we live, little by little. Lets think about what we can do today.

 

LOOKING AT THE ISSUE

Here are suggestions for changing our lifestyle. Do you think they are possible?

Suggestion Yes, thats easy to do. Thats hard to do. No, thats impossible to do.
Use less gasoline [`gæsəli:n]=petrol      
Use solar or electric care.      
Use less electricity (for example, dont stay up late at night).      
Eat less meat (this uses less forest land for cattle).      
Stop using disposable [dis`pəuzəbl] (. ) products.      
Recycle more.      
Control the population.      
your idea:      

WHATS FOR DINNER?

I. Study the words.

to be delighted di`laitid (),
protein `prəuti:n ,
tofu* `təufu: ( )
beef bi:f
to be rich in   .-.
heart disease `ha:t di`zi:z
to destroy di`stroi ; ; ;
environment in`vaiər(ə)nmənt ;
rain forest  
burger `bə:gə
to cut down  
cattle `kætl

Tofu is unfermented soya-bean curd, a food with a soft cheeselike consistency made from soya-bean milk.

II. What substances are vital important for living things? What food is rich in these substances?

Protein any of a large group of nitrogenous compounds of high molecular weight that are essential constituents of all living organisms. They consist of one or more chains of amino acids linked by peptide bonds and are folded into a specific three-dimensional shape maintained by further chemical bonding.

Fat any of a class of naturally occurring soft greasy solids that are esters of glycerol and certain fatty acids. They are present in some plants and in the adipose tissue of animals, forming a reserve energy source, and are used in making soap and paint and in the food industry.

Carbohydrate [,ka:bəu`haidrəit] any of a large group of organic compounds, including sugars, such as sucrose, and polysaccharides, such as cellulose, glycogen, and starch, that contain carbon, hydrogen, and oxygen, with the general formula Cm(H2O)n: an important source of food and energy for animals.





:


: 2016-11-24; !; : 624 |


:

:

,
==> ...

1538 - | 1412 -


© 2015-2024 lektsii.org - -

: 0.008 .