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Complete the sentences about the possible future for our word,using a suitable form of the verb in brackets,depending on whether you think the sentence describes something real/possible or unreal/impossible.
1) If human beings (finally start)...finally start........ living on the moon,they (need).....will need...... to produce water artificially.
2) If there (not be)........isn't...... any money (the world be)...will the world be......... a better place?
3) If we (not stop).......do not stop.......... over-fishing the world's oceans,many species (become).......will become........ extinct.
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If people (not stop)...do not stop........ using cars so much the country's road (eventually grind)......will eventually grind...... to a standstill.
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
REWRITE THE SENTENCES
1. More and more people understand the importance of preserving endangered species since we implement a great number of educational programs.
-> Since we implement a great number of educational programs, more and more people understand the importance of preserving endangered species.
2. Marine species get safer because we adopt many sustainable fishing practices.
-> Because of the adoption of many sustainable fishing practices, marine species get safer.
3. He studies diligently, so he understands the complexities of the subject matter intricately.
-> He understands the complexities of the subject matter intricately because he studies diligently.
4. She practices persistently in order that she performs on stage effortlessly
-> She performs on stage effortlessly because she practices persistently.
5. As she gains more experience, she becomes more confident.
-> She becomes more confident because she gained more experience
6. He spends on procrastination little time, so that he encounters less stress during tight deadlines.
-> He encounters less stress during tight deadlines because he spends on procrastination little time.
7. Since she puts little efforts into preparation, she achieves little success.
-> She achieves little success since she puts little efforts into preparation.
1. More and more people understand the importance of preserving endangered species since we implement a great number of educational programs
->......Because we implement a great number of educational programs, more and more people understand the importance of preserving endangered species..........
2. Marine species get safer because we adopt many sustainable fishing practices
->......We adopt many sustainable fishing practices, so marine species get safer.........
3. He studies diligently, so he understands the complexities of the subject matter intricately
->......As he studies diligently, he understands the complexities of the subject matter intricately...........
4. She practices persistently in order that she performs on stage effortlessly
->.........Because she practices persistently, she performs on stage effortlessly.........
5. As she gains more experience, she becomes more confident
->.........She gains more experience, so she becomes more confident.........
6. He spends on procrastination little time, so that he encounters less stress during tight deadlines
->.....Because he spends on procrastination little time, he encounters less stress during tight deadlines............
7. Since she puts little efforts into preparation, she achieves little success
->.........She puts little efforts into preparation, so she achieves little success........
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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If there (not be).......isn't....... any money (the world be)......will the world be...... a better place?
Chia động từ
If we (not stop).......don't stop.......... over-fishing the world's oceans,many species (become)....will become........... extinct.