41. An _______whiteboard is an electronic devices that helps students learn English in a more stimulating way.
A. interacting B. interaction C. interactive D. interacted
42. Personal electronic devices which_________students from their class work are banned in most schools.
A. learn B. protect C. distract D. benefit
43. We must do something to reduce levels of environmental _________.
A. pollute B. polluting C. polluted D. pollution
44. Personal _________ devices are useful for learning.
A. electronic B. electric C. electrical D. electronical
45. As the Earth gets hotter, the Arctic and Antarctic ¬¬¬¬_________ will slowly melt and the level of the oceans will rise.
A. snowballs B. avalanches C. ice caps D. icebergs
46. There will be _________, too. Some areas will become wetter while others will become much drier.
A. weather changes B. weather forecasts
C. climatic changes D. climate changes
47. Thousands of acres of forest are being cut down every year and the ____ of many animals are being destroyed.
A. natural resources B. natural habitats
C. ways of life D. living surroundings
48. Make sure your car runs on unleaded petrol and your home uses sources of ____ energy.
A. recycling B. reused C. renewable D. recyclable
49. Make sure your car runs on unleaded petrol and your home uses sources of ____ energy.
A. recycling B. reused C. renewable D. recyclable
50. Theres been a ____ in Germany and a village was completely destroyed.
A. flood B. drizzle C. shower D. smog
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