TEST YOURSELF
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. biovidersity 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 letter p 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 subtitutes 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. The water is so contaminated that it is not suitable for drinking.
a. toxic b. salty c. dangerous d. polluted
15. Without plants, most 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 Al 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 World.
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. Davis teaches them d. Mr. Davis teaches
21. The world _____ a better place if we had known a hundred years ago 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 escapes d. 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