I. Choose the word which has the underlined part pronounced differently from the rest. Question 1. A. recycle B. medical C. chemical D. athletic Question 2. A. pollute B. botanic C. contaminate D. economy Question 3. A. into B. history C. tiny D. disease II. Choose the word which is stressed differently from the rest. Question 4. A. national B. grammatical C. medical D. chemical Question 5. A. athletic B. historic C. dramatic D. classic Question 6. A. scientifically B. economic C. artistic D. scientific III. Choose the correct answer to complete each sentence. Question 7. Water pollution can put negative __________ on our health. A. contamination B. affects C. effects D. problems Question 8. A: How can light pollution __________ animals? B: It can make animals change their behavior patterns. A. cause B. make C. affect D. lead Question 9. The dove is a universal __________ of peace. A. symbolizing B. symbolize C. symbolic D. symbol Question 10. The city has an atmosphere which is quite _______. You will never feel like that in other places. A. important B. normal C. unique D. common Question 11. __________ about the storm that stroke Hanoi last night? A. Did you hear B. Do you heard C. Have you hear D. Did you heard Question 12. Many people __________ because of the earthquake last week. A. did injure B. injured C. have injured D. were injured Question 13. When I looked at the river, I knew it __________ for a long time. A. had contaminated B. had been contaminated C. was contaminated D. contaminated Question 14. All flights to Ha Noi had to be cancelled __________ the storm. A. as a result B. due to C. because D. so Question 15. When we were young, we __________ in the river near our home. A. used to swim B. have swum C. had swum D. were swimming Question 16. Our coffee is a very products in the international market due to the high quality and the reasonable price. A. competition B. compete C. competitor D. competitive Question 17. We both admired his in helping other people. (generous) A. generous B. generously C. generosity D. more generous Question 18. The dress was , so I did not have a look on it. (attract) A. attraction B. unattractive C. attractive D. attracted Question 19. He _______ with most of the people in last night's face-to-face meeting. He was so talkative. A. Communicated B. communicating C. communicative D. communication Question 20. They were very surprised when they knew his . A. nation B. national C. nationally D. nationality