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vendredi 1 mars 2013

Global warming Exam


                                                         Second term English exam.

 PART ONE: R E A D I N G (15pts)
Read the text carefully and do the activities

More and more people all over the world realize that global warming is a real and a serious problem. Almost everyone agrees that the Earth's climate has begun to change, as reported by scientists and experts in newspapers, TV programs, and magazines. The summers are hotter. The winters are warmer. As a result, glaciers have become smaller. If this continues, there could be water shortages in the future in Europe and the Americas. In addition, scientists believe deserts will grow much larger in some parts of the world, which means areas of Africa, China, and the Middle East will have little or no water to grow food. Storms will become worse, too. Although we have not seen many big changes yet, our children and our children's children could live in a very different world. They could face many problems in the future. Governments around the world have taken action to fight pollution and global warming. Unfortunately, they need to do more. In addition, big countries like the US, China, and Russia continue to pollute heavily. All governments must take action with new laws to protect the environment. They must research and develop new technologies, such as wind and solar power. They must pollute less and reuse resources. Individuals can take action now, though.
                                                                                                      From //http//www.eslprintables.com



A-    Comprehension: (7pts)
1- Circle the best answer from the following. (1pt)
a) The text is a:    a- poem                  b- story                c- report          d- questionnaire
b) The text is about:   a-Deforestation.     b- Ozone Layer    c-Acid Rain    d-Global Warming

2- Is there any conditional sentence in the text? Write it down. (1pt)  

3- Say whether these statements are TRUE or FALSE. (2pts)
  1. People’s awareness about the weather is changing. ……………
  2. There won’t be lack of water because of the melting of glaciers. ………………
  3. New generations will face many problems in the future. ………………..
  4. Developed countries are changing their pollution levels. ……………

3- Answer the questions according to the text. (1,5pts)
1.      What could happen if glaciers continue to melt?
2.      How will global warming affect storms?
3.      Who will suffer from this global change?

4- Find in the text words or phrases that are closest in meaning to: (0,5pt)
Weather = ………………… /   hurricanes =………………….

5- Find in the text words or phrases that are opposite in meaning to: (0,5pt)
Abundances ≠……………… /   doubt ≠……………….

6- Give a title to the text. (0,5pt)


1/2

B-    Text exploration: (8pts)

 1- Match the words on the left with their right definition on the right.( 2pts)
a-      Habitat

1-The process of minimizing waste by recovering materials and transforming them into new products.
b-      Recycling

2-A level in the stratosphere that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun.
c-      Smog

3-The natural home of a plant or animal.
d-      Ozone layer

4-Any kind of air pollution found in cities, including dust, smoke, exhaust gases or chemical fumes
2. Rewrite sentence  (b) so that it means the same as sentence (a).(2pts)
 1. a- Water, air and forms of life are intimately linked (by the magic of nature).
     b- The magic of nature .........................................water, air and forms of life.
 2. a- But recently, we have broken those links.
     b- But recently, those links................................
 3. a- The burning trees are releasing Carbon Dioxide, eventually.
     b- Carbon Dioxide .....................................................................
 4. a- The methane releases will cause the fatal greenhouse effect.
     b- The fatal greenhouse effect ...................................................

3.  Reorder the sentences into a coherent paragraph. (2pts)
a)-  0.0 is the most acidic and 14.0 is the most alkaline .
b)- Acidity is measured using a scale of pH unit.
 c)- Something with a pH value of  7.0  is called neutral .
 d)- This scale goes from 0.0 to 14.0.
 

 4. Sound System: Mark the intonation (           ,          ) on the words in bold.(2pts) 
          The Himalayan glaciers are the source of all the great Asian rivers: the Indus, Ganges, Mekong, Yangtze, Kiang.... Two billion people depend on them for drinking water and irrigating their crops.
PART TWO: Written Expression (5pts)
Choose only one topic.
Topic one:
Use the following notes to write a short paragraph about how to save our planet (10 lines)
1-       Don't use plastic bags at the supermarket, especially if you use the bag only once and throw it
away. Take a cloth bag that you can use again and again.
2-       Take public transportation like trains and buses as much as possible. Even better, walk.
3-      Use less water at home. For example, when you brush your teeth, turn off the water.
4-      Turn off the lights, computer, TV, and so on when you're not using them. This will decrease your electricity consumption.
5-      Recycle newspapers, aluminum cans, plastic bottles, and so on.
6-      Organize or participate in a clean-up day in your neighborhood. Help clean the parks, beaches, and land in the area.

Topic two:
What do you know about The Amazon Eco-system and its importance to Earth's ecology. In no more than 10 lines, write a paragraph about this topic.


                                                                                                             Good Luck
                                                                                                                Your teacher!

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