Unit 6. GLOBAL WARMING
Part I. PHONETICS
Exercise 1. Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other
three in pronunciation in each of the following questions.
1. A. genius
B. gorilla
C. global
D. gases
2. A. pollution
B. poaching
C. physical
D. pesticide
3. A. warming
B. warn
C. walk
D. wasn't
4. A. floor
B. flood
C. moorland
D. door
5. A. increase
B. release
C. please
D. grease
Exercise 2. Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position
of primary stress in each of the following questions.
6. A. campaign
B. global
C. balance
D. carbon
7. A. natural
B. endangered
C. dangerous
D. habitat
8. A. rainforest
B. tropical
C. discover
D. animal
9. A. pollution
B. continue
C. enormous
D. disappear
10. A. devastated
B. environment
C. diversity
D. ecology
Part II. VOCABULARY
Exercise 3. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined
word(s) in each of the following questions.
11. We need to cut down on the emission of carbon dioxide into the atmosphere.
A. intake
B. retake
C. uptake
D. discharge
12. Land erosion is mainly caused by widespread deforestation.
A. afforestation
B. reforestation
C. logging
D. lawn mowing
13. In the past, a lot of countries denied having contributed to global warming.
A. agreed
B. refuted
C. approved
D. avoided
14. Most people admit that they contribute to global warming.
A. be partly responsible for
B. disapprove
C. neglect
D. cause
15. We must admit that people are heavily polluting the environment.
A. decline
B. rebut
C. deny
D. accept
16. In the polluted environment, infectious diseases can be passed easily from one person to another.
A. fatal
B. safe
C. contagious
D. immune
17. Global warming has severe impact on water supplies.
A. very good
B. very bad
C. normal
D. long-lasting
18. Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun.
A. catch
B. discharge
C. dispose
D. release
19. Such unhygienic conditions encourage the spread of diseases.
A. decline
B. stability
C. decrease
D. increase
20. Deforestation is one of the biggest environmental threats to the ecological balance in the world.
