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1. Birds aren’t all the same. There are many different _____.
A. categories B. species C. animals D. plants
2. The rhinoceros will become ___ if people continue to hurt them.
A. extinct B. instinct C. distinct D. extinction
3. Thousands of species of animals and plants are ____ and the number decreases each year.
A. danger B. dangerous C. endanger D. endangered
4. If one species becomes extinct, the whole chain will be ___ seriously.
A. disappeared B. killed C. damaged D. threatened
5. We depend on species diversity to provide food, clean air and water.
A. popularity B. existence C. development D. variety
6. More than a billion people all over the world are under the threat of desert____.
A. increase B. expansion C. extension D. development
7. Biologists have introduced a global list of endangered and vulnerable animal species.
A. rare and specious B. small but invaluable C. weak and easily hurt D. strong and unusual
8. Government have passed laws to protect wildlife from commercial trade.
A. enabled B. enforced C. enacted D. ensured
9. The government is now trying to protect gorilla to ensure their ____.
A. life B. existence C. survival D. growth
10. Everyone is worried about the ___ of the rainforests.
A. destruction B. protection C. species D. extinction
11. Without ___ all the resources necessary for life would be damaged, wasted or destroyed.
A. conversation B. biodiversity C. extinction D. destruction
12. Many people are interested in watching ___.
A. wildlife B. wilds C. wilderness D. wildly
13. This species has nearly died out because its ___ is being destroyed.
A. environment B. habitat C. land D. forest
14. The primary causes of species extinction are habitat destruction, commercial ___ and pollution.
A. exploit B. exploiting C. exploitation D. exploitative
15. Toxic chemicals in the air and land have also driven many species to the ___ of extinction.
A. border B. limit C. verge D. edge
16. It is ___ to cross the sea in a small boat.
A. danger B. endanger C. dangerous D. endangered
17. Do you think plants and animals, however small or oversized, all contribute to the ____?
A. conversation B. extinction C. destruction D. biodiversity
18. Many African and Asian nations have set aside land called ___ to protect the habitats of elephants and other wild animals.
A. reserves B. species C. wildlife D. forest
19. Over 120 ___ of birds have been recorded in this national park.
A. species B. diversity C. animals D. individuals
20. The mountain gorilla is on the verge of ___.
A. extinct B. extraction C. extinguish D. extinction
21. Reviewers often ___ books as “hard to put down” or “hard to pick up again”.
A. describe B. illustrate C. classify D. choose
22. Have you got any books on business methods or any similar ___?
A. subject B. content C. author D. matter
23. How are the books in this library___?
A. divided B. named C. gathered D. classified
24. Robert’s new book will be ___ in August.
A. typed B. published C. broadcast D. announced
25. I’m reading a Stephen King’s novel. It’s really exciting and I couldn’t ___.
A. get it off B. put it down C. take it on D. look it up
26. Children tend to read ___ books that tell stories through pictures.
A. novel B. fiction C. science D. comic
27. What kind of readers would you ___ this book?
A. advise B. introduce C. recommend D. persuade
28. Watching videos is becoming a popular form of ___.
A. entertain B. entertainment C. entertainer D. entertaining
29.