11 Choose the word whose underlined part is pronounced differently from the others. A: dust B: earplug C: dump D: pollution 12 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) to each of the following questions. Question 15: Many fish in the lake near my house have died because of the polluted water. A: contaminated B: pure C: treated D: drinkable 13 Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 16: Because warmer water has less oxygen in it, it can harm fish populations and cause harmful algal blooms. A: contaminate B: support C: reduce D: illustrate 14 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 17: The Earth Day was first celebrated in ______. A: 1969 B: 2015 C: before 1969 D: 1970 15 Choose the best answer A, B, C or D to complete the sentence. Question 9: If I _______ you, I ______ volunteer to clean the beach. A: am/ would B: was/ will C: were/ would D: am/ will 16 Choose the word whose underlined part is pronounced differently from the others. A: measure B: untreated C: bread D: pleasure 17 Choose the best answer A, B, C or D to complete the sentence. Question 8: This river has been polluted ________ aluminum. A: at B: with C: within D: without 18 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 14. Lan: “________________” Hung: “That’s the reason why I usually have headaches.” A: This song sounds great. B: Our city has too much noise pollution. C: The river is seriously contaminated. D: You ate too much raw food tonight. 19 Choose the underlined part A, B, C or D that needs correcting. Picture 10 A: A B: B C: C D: D 20 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. The Earth Day comes from the idea of a former US politician Gaylord Nelson. He was worried about the world pollution, and the health of plants and animals. In 1969, he decided that the world should have a special day to teach people about how to make environment better. His idea became popular and on 22 April 1970 the first Earth Day was celebrated. Since then, environmentalists have used the day to educate people about their roles in protecting our planet. Earth Day finally became a global celebration around the world. On this day, people come together to talk about global warming, protecting rare animals and saving energy sources. Question 19: The word “their” in the second paragraph refers to ______. A: environmentalists’ B: people’s C: politicians’ D: Dr. Nelson’s