IV. Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in the meaning to the underlined word(s) in each of the following questions. 27. Its dangerous for children to go out alone at night. A. exciting B. convenient C. cheap D. unsafe 28. We must save our environment. A. destroy B. protect C. reuse D. reduce IV. Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in the meaning to the underlined word(s) in each of the following questions. 29. We cant swim in this river because its polluted. A. clean B. old C. traditional D. historic 30. We should turn off all the electric appliances before we go out. A. turn down B. turn on C. open D. turn up PART B: READING I. Choose the correct answers to complete the passage. Are you tired of the colour or pattern of your walls? In a smart home, you wont have to (31) _______ them. The walls will actually be digital screens, like computer or TV screens. A computer network will link these walls with (32) _______ else in your house. Called ambient intelligence, this computer brain will control your entire house. It will also adapt to your (33) _______. Your house will learn about your likes and dislikes. It will then use that knowledge to control the environment. For example, it will set the heat in the house to your (34) _______ temperature. It will turn on the shower at the right temperature. It will also darken the windows at night and lighten them when its (35) _______ to wake up. 31. A build B. cover C. pull D. repaint 32. A. thing B. everything C. anything D. nothing 33. A. preferring B. preferable C. preferably D. preferences 34. A. favourite B. terrible C. high D. clearly 35. A. occasion B. time c. way D. order