Choose the words that best answer the following questions

I. Choose the words that best answer the following questions.
1. Which of the following words is stressed on the first syllable?
a. conserve b. organism c. interact d. erosion
2. Which of the following words is stressed on the second syllable?
a. biodiversity b. national c. orphanage d. survival
3. Which of the following words has the final pronounced /id/?
a. eliminated b. established c. conserved d. threatened
4. Which of the following words has the underlined part pronounced differently from that of the others?
a. pair b. rain c. afraid d. straight
5. Which of the following words has the letterp is silent?
a. protect b. camping c. cupboard d. people
II. Choose the word or phrase - a, b, c, or d - that best completes each sentence or substitutes for the
underlined word or phrase.
6. New laws have been passed to ………. wildlife in this area.
a. establish b. conserve c. produce d. endanger
7. They were seeking a solution to the ……… of the rain forests.
a. destroy b. destroying c. destroyer d.. destruction
8. Although he didn't have a ticket, Ken … ……. come in.
a. could b. can c. might d. was allowed to
9. Nearly 1,000 of the world's bird species are threatened with ......................
a. appearance b. protection c. extinction d. destruction
10. We really ought to make a start on campaigns to ……… our polluted rivers and seas.
a. clean up b. clear away c. wipe out d. tidy up
11. He came running …….. the room and threw his books …….. the floor.
a. into/ at b. in/ to c. to/ on d. into/ onto
12. Rare species of plants or ………. can be found in this region.
a. fauna b. flora c. flowers d. vegetation
13. The hydroelectric plant provides electricity for half the island's population.
a. using hydrogen to produce electricity
b. using radiating energy to produce electricity
c. using water power to produce electricity
d. using tidal power to produce electricity
14. Thy water is so contaminated that it is not suitable for drinking.
a. toxic b. salty c. dangerous d. polluted
15. Without plants, mast water would ………. as soon as it falls.
a. run out b. run off c. run of d. run away
III. Choose the correct answer - a, b, c, or d that best completes each sentence.
16. if Ali had come sooner, he ……. dinner with us.
a. could have eaten b. would being eaten c. was eating d. could eat
17.'Are you still employed at the bank?' 'Yes, I ……… there since 1982
a. have working b. worked
c. have been working d. had been working
18. Orlando, a city in Florida, ……… for its main attraction - Disney
a. which is well-known b. well-known
c. which well-known d. is well-known
19. 'What's wrong with your stereo?' `The needle needs ………..
a. to replace b. replacing c. to be replace d. replace
20. All the students ………. do well in writing.
a. whom Mr. Davis teaches them b. which Mr. Davis teaches
c. that Mr. David teaches them d. Mr. Davis teaches
21. The world ………….a better place if we had known a hundred years what we know today about the
earth's environment.
a. will be b. was c. should be d. might be
22. If water is heated to 212 degrees F ……….. as steam.
a. it can boil and escape b. it is boiled and escaped
c. it boils and escapesd. it would boil and escape
23. ……… resigned, we would have been forced to sack him.
a. Had he not b. Hadn't he c. He had not d. If he had
24. …………… television to the exclusion of all other activities is not a healthy habit for a growing child.
a. To be watched b. Being watched c. Watching d. Watch
25. It's against the law to kill the black rhinoceros. They …….. extinct.
a. became b. have become c. become d. are becoming.
IV. Identify the one underlined word or phrase - A, B, C or D - that be changed for the sentence to
be correct.
26. Scientists suggest that only one percent of the world’s extinct animals and plants has identified.
A B C D
27. Some underground water is enough safe to drink, but all surface water must be treated.
A B C D
28. Because the expense of traditional fuels and the concern that they might run out many countries
A B C
have been investigating alternative sources of power.
D
29. Would you mind bringing your camera in the graduation party tomorrow?
A B C D
30. Biochemists have solved many of the mysteries about photosynthesis, the process which plants
A B C
make food.
D
31. Many people who live near the ocean depend on it as a source of food, recreation, and to have economic
A B C D
opportunities.
32. Geothermal energy is enegy to obtain by using heat from the Earth's interior. .
A B C D
33. Most types of dolphins will live at least twenty-five years, and some species may reach 50 years of age
A B C D
34. Isle Royale National Park in Lake Superior can only be reached by the boat.
A B C D
35. Sharks can detect minute electrical discharges come from their preys.
A B C D