Word formation:

The days when people would go to a zoo simply for (0. AMUSE) _______ are long ago. Today, when we place greater (1. IMPORT) _______ on the survival of animals in the wild, zoos have duty to inform the public and improve our (2. KNOW) _______ of the environment and the problems faced (3. WORLD) _______ by large numbers of animals. Today's zoos also play a role in the (4. PROTECT) _______ of threatened species, breeding animals for release in the wild. Many zoos also fund (5. SCIENCE) _______ research into animals and their behavior. The way animals are treated in zoos has changed, too. Many intelligent animals suffer from (6. BORE) _______ in captivity and their keepers now try to improve the (7. PSYCHOLOGY) _______ state of the animals in their care. They do this by, for example, providing the animals with a (8. VARY) _______ of different food or by changing the animals' (9. DAY) _______ routine. Although some critics of zoos remain (10. CONVINCE) _______ , there can be no doubt that animals in zoos today enjoy a more comfortable existence than in the past.

 Scientists are now looking for cheaper way to use solar energy to heat air and water. Many buildings are using solar energy to heat their water now. Solar unit on the roofs of buildings collect the energy and use it to heat water. Although these units are still very expensive, more and more people are buying solar hot water heaters. Universities and colleges give solar energy courses where students learn to build their own solar collectors. They are also many books that explain the construction of solar collectors. In the future, there will be more and more solar collectors, especially in the sunny desert areas of the world.

46. What are the scientists doing now?_____________________

47. Are solar units cheap or expensive? ______________________

48. Where do students learn to build their own solar collectors __________

49. Do you think solar energy is expensive__________________

50. Why do(n’t) you think so? _____________________________

Question 4: Fill in each numbered blank with a suitable word.

If you live in a city, you probably see many people, hear the (1) .................... of traffic, and smell the pollution (2) .................................. cars and factories.We are entering a new time in (3) ....................... history of the world. Before this, most (4) .................... were farmers.They lived in the country. Now many people are leaving the farms and moving into the cities. They are looking for better jobs. THe cities are growing very quickly. Most cities are very crowded.People are driving more cars, burning more fuel, (5) ......................... more water, eating more food, making more garbage, and producing more things in factories than (6) ............................. before.Life is becoming difficult.

Some governments are trying to plan the future \. They are building new roads , putting (7) ...................... new houses, looking for more water, and limiting growth in certain areas. Still, city planners are getting worried .People are crowding into the cities (8)....................... than cities can take them. The cities are running out (9).............................. room. WHat is the answer to this problem?

Exercise 5. Complete each sentence with one of the words given.AnimalDomesticatedEnvironmentalHealthRareArtificialEndangeredExtinctPedigree Wild1.Michael breeds ___________ cocker spaniels as a hobby.2.We should make a distinction between wild and _________ animals.3.Some farms have stopped using ____________ fertilizers.4.Many species of wildlife could become ____________ if left unprotected.5.The gardens contain many kinds of ___________ plants.6.Some vegetarians object to eating __________ products of any kind.7.The dolphin is one of many ____________ species.8.More and more of my friends are eating so – called ___________ foods.9.People are becoming more concered about ___________ matters.10.We’re going up the moutainside to look for __________ strawberries

A forest is a special place. In the forest, surrounded by tall trees, you are cut off from the would around you, and filled with the sights and sounds of nature. Many fairy tales and legends are set in forests, which have been thought to hold magic and mystery. Today we know that these are only stories, but the forest is still a place that holds many of the world's most valuable resources.
Forest has always been important to people. In the past, many people got food by hunting forest animals and gathering wild plants. With the advance of civilization, fewer people now live in forests, but forest are more valuable than ever. Forests have an important economic value because they provide us with resources such as timber. Forests are vital to the environment because they clean the air we breathe. Forests are also treasured for their beauty

Matching

1. Forest |a. Precious

2. Tales |b. The activity of looking for and killing animals

3. Valuable|c. Important

4. Hunt |d. Large area of land covered by trees

5. Vital |e. Stories about imaginary events or people

True or false

1. When you are in the forest you are away from the natural

2. The forest is a place that holds many of the world's most valuable resources

3. Forest are always important to people

4. Many people now live in forest

5. Forest are not only treasured for their beauty but also for their economic value

Give the correct form of the words in bracket

1. We are going to give a...... about water pollution (present)

2. Many people have received medical.......because of the disease (treat)

3...........................has caused the problem of air pollution (industry)

4 The................in air pollution was dramatic last year (reduce)

5. Students are taught about............issues at school (environment)

Read the passage and fill in the each blank with ONE suitable word

harms move affects indirect effects

protect harmful leads can caused

EFFECTS OF AIR POLLUTION

there are different kinds of negative and harmful effects of air pollution. Air pollution (1)......... global warming in a great scale. The global warming (2)................ to the increase of temperatures worldwide, the increase in sea levels and the melting of icebergs. It (3)........... all species on the earth. The effects of air pollution are very (4)....... for health. It causes diferent kinds of diseases like heart attack, cancer,etc. Every year millions of people of all over the world die due to direct or (5)........... effects of air pollution. Acid rain is another efect of air pollution. acid rain can cause great damage to human, animals and crops. Air pollution (6)........... the wild life. Humans and animals face a lot of serious efects due to air pollution. Toxic chemicals present in the air can forrce wildlife species to (7)........ to new place and change their habitat. The toxic pollutants over the surface of the water can also affect sea animals. It is right time (8)......... ourr environment. To create a better place to live, we have to stop the air.

When we talk of the environment today,many people still think only of tree planting and keeping ....... (1) surroundings clean. Although both activities are ....... (2), they are only a small part of the environmental story.The environment is both urban and rural. It ....... (3) seashore, rivers, mountains and so on. It includes cities, towns, ....... (4). The water we drink and the air we breathe are important elements of the environment, so ....... (5) the trees, plants and animals. So the environment is the sum total of the country's ....... (6) resources.The environment ....... (7) us with all our daily needs. This is true for ....... (8) the urban and rural people. Rural people rely directly .......(9) the natural environment for many of ......(10) daily needs.

Give correct form of the words in brackets:

1. Factories dump................ waste into lakes and rivers . (industry)

2. The .............. of water can make people and other animals die . (contaminate)

3.Households dump waste into the river so it is ................(pollute)

4.Since the parents were exposed to............. , their children have birth defects .(radioactive)

5. If we use water ............., more people will have fresh water.(care)

6. The.................. fish are floating in the water . (die)

7. Do you know what.............. cause air pollution? (pollute)

8. The river is .........................by the dumping from nearby factories.(contaminate)

9. Noise pollution can also lead to headaches and high blood..........................(press)

10. Dumping........................waste into the lakes and rivers has cause serious water pollution.(industry)

Plans grow(46) almost every part of the world. We see(47) plants as flowers, glass, and tree nearly every day. Plants grow high on moutaintops, far in the oceans, and in many deserts and(48) regions

Without plants, there could be not life on earth. Man could not live without air of food and so he could not live without plants. The oxygen in the air we breathe comes from plants. The food we eat also comes from plants or from animals that eat plants. We build houses and make many(49) products from lumber cut from trees. (50) of our clothing is made from the fitbers of the cotton plants.

Scientists belive there are more than 350,000 species of plants, but no one knowns for(51). Some of the smallest plants, called diatoms, can be seen only with a(52). A drop of the water may hould as many as 500 diatoms. The largest living things are the giant sequoia trees of California. Some of them stand more than 290 feet high and measure over 30 feet wide

Scientist(53) all living things into two main groups - plants and animals. It is usually easy to tell the two(54). Almost all kinds of plants stay in one place, but nearly all species of animals move about under their own power. Most plants make their own food from air, sunglight, and water. Animals cannot make their own food. The basic units of all life, called cells, are also different in plants and animals. Most plants have thick wall that(55) a material called cellulost. Animal cells dl not have this material.

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