I. Choose the word in each line that has different stress pattern: 1. A. ecology B. apology C. autorgraphy D. television 2. A. medical B. hospital C. electric D. physical 3. A. national B. informal C. medical D. chemical. 4. A. physical B. horrific C. beautiful D. different 5.A. biology B. electronic C. sociology D. Japanese II. Choose the best answer to complete each of the following sentences: 6. An example of a natural disaster is a …….. A. snowfall B. tornado C. thunder D. rainbow 7. A severe tropical ………. is called a typhoon. A. drought B. rain C. flood D. storm 8. Hundreds of people were made …….. after the flood A. homeless B. helpless C. careless D. endless 9. Thousands of people …… by natural disasters every year. A. are affected B. are affecting C. have affected D. were affected 10. “ No one was killed in the forest fire two days ago.” A. How terrible B. That’s shocking C. That’s a relief D. Oh dear. 11. If we …… act soon, the pollution will get much worse. A. don’t act B. didn’t act C. will not act D. hadn’t acted 12. If I were you, I … do something to prevent him from littering. A. would B. did C. will D. do 13. When the policeman came there, the robber … A. had left B. has left C. left D. was left 14. If you ……. a choice, which country would you visit? A. have B. had C. have had D. will have 15. If you were the president, what ……… you do to help the environment? A. will B. did C. would D. do