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Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.
Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction.
But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs of timber and paper.
What would our world be like if all the wild animals and wild plants vanished? - Would our life still exist then?
1. What would happen to the human beings if the wild life vanished?
A. Many species would quickly become extinct.
B. The human life would be seriously threatened.
C. Species would go on dying out.
D. Tropical forests would be cut down.
2. What is more important than individual kinds of animals and plants?
A. the vanishing of whole habitats. B. the extinction of many species.
D. man’s need of timber and paper. C. the rapid advance of the process of extinction.
3. What does the writer caution us against?
A. cutting down the tropical forests. B. hunting wild animals.
C. draining marshes. D. destroying our environment.
4. What would happen if we cut down forests?
Cutting down forests would cause ……………..
A. the changes of temperature. B. the flood
C. both A and B are correct. D. none are correct.
5. “To threaten” in the passage means …………..
A. to pollute B. to give fear to C. to vanish D. to poison
I. Read the passage, make questions and answer them.
Wild animals and wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century; but many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.
Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten.
But even more important, perhaps, than individual kinds of animals and plants, whole habitats are in danger of vanishing : marshes are being drained, and the world forests, especially the tropical forests are being cut down to satisfy man’s need of timber and paper.
1. Where / wild animals / live ?
1. Where do wild animals live?
They live in wild places.
2. Why are forests being cut down?
- Forests are being cut down to satisfy man’s need of timber and paper.
3. What will happen to wild animals if forests disappear?
If forest disappear, their habitats will vanish.
1. Conservation is the safeguarding and preservation of natural resources.
2. Salt has a preservative effect on food.
3. The fight against pollution is an important part of conservation.
4. Carbon monoxide is a poisonous gas.
5. Environmental pollution is one of serious problems facing the mankind today.
6. Reclaiming land consists of irrigating deserts, draining swamps and pushing back the sea.
7. We can conserve our environment by prevention of waste. (prevent)
8. Farmers can protect their land by yearly rotation of crops.
9. Farmers can help enrich the soil by adding fertilizers.
10. Preserving natural resources is a great importance.
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Give the correct form of the words in bracket
1. We are going to give a...presentation... about water pollution (present)
2. Many people have received medical...treatment....because of the disease (treat)
3........Industrial...................has caused the problem of air pollution (industry)
4 The.......reduction.........in air pollution was dramatic last year (reduce)
5. Students are taught about...environmental.........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) effects global warming in a great scale. The global warming (2) leads to the increase of temperatures worldwide, the increase in sea levels and the melting of icebergs. It (3) harms all species on the earth. The effects of air pollution are very (4) harmful 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) indirect 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) affects 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) move 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) protect ourr environment. To create a better place to live, we have to stop the air.
2.Some tiny _________ organisms________ are carried along by the currents. (ORGANIZISE)
3.Sperm Whale _______population__________ are at risk due to hunting. (POPULATE)
4. These birds ______migrate________ to North Africa in winter. ( MIGRATORY)
5. Scientists have made many important new dicoveries of the ____depth_________by using modern devices. (DEEP)
6. Community police have made a very positive ___contribution__________ to crime prevention. (CONTRIBUTE)
7. This new discovery challenged traditional ______beliefs_________. ( BELIEVE)
8. They are investigating the mysterious _______disappearance__of a young woman. (APPEAR)
9. Seventy-five percent of the earth surface is ________covered______ by water. (COVER)
10. The power station has been shut down for essential __________maintenance_______. (MAINTAIN)
11. The ______investigation_________ of the seabed is being carried out. (INVESTIGATE)
12. Sperm Whale populations are at risk due to hunting and their accidental _________entrapment______ in fishing nets. (ENTRAP)
13. By the age of eighteen he was completely ____independent____________ of his parents. (DEPEND)
14. The government has just set up a wildlife ____conservation___________ project. (CONSERVE)
15. If _______modern ______ technology did not exist, we would never have such precious information. (MODERNISE)
16. She overcame ______injury______ to win the Olympic gold medal. (INJURE)
UNIT 10
1. The world’s rain forests must be safe from ______destruction___________. ( DESTROY).
2. Major steps are being taken to control the _______pollution_________ of beaches. (POLLUTE)
3. Water conservation is ____necessary__________ for hydropower stations. (NECESSITATE)
4. People are _______constantly___________ doing harm to the environment. ( CONSTANT)
5. The giant panda is an __________endangered______species. (DANGER)
6. Doing this will waste a lot of ______valuable________time and effort. (VALUE)
Refer
1 extinction
2 dangerous
3 captivity
4 surviving
5 diversity
6 environmentalists
7 protection
8 harmful