1.Choose the correct word or phrase that best fits each of the numbered planks. Light pollution is not (25) serious as water or air pollution. Moreover,it is the type of pollution that (26) more in cities than in rural areas. In thepast, we could sit out at night and gaze at glittering stars in the sky and light from objects in the outer space. Nowadays, cities are covered with lights from buildings, streets, advertising displays, many of which direct the lights up into thesky and into many unwanted places. The real problem is that it is very (27) to apply light to almost everything at night. Millions of tons of oil and coal are used to produce the power to light the sky. Eye strain, (28) of visionand stress are what people may get from light pollution. Too much light at nightcan harm our eyes and also harm the hormones that help us to see things properly. Question 25. A. as B. more C. much D. than Question26. A. has B. occurs C. uses D. harms Question 27. A. useful B. wasteful C. good D. bad Question 28. A. increase B. decrease C. loss D. reduction 2. Choose the correct answer to each of the following questions. Pollution can be seen not only throughout the world, but also in our own homes. It comes from household chemicals, the amount of water people use and the waste people produce and throw away. What can be done to stop this pollution? Surprisingly, a person can help save the environment by doing simple things. First, we need to recycle, which allows products to be used over and over again. Recycling can also reduce the number of trees cut down to produce paper products. It takes very little effort. It is not hard to place plastic and glass bottles, aluminum cans and paper in a bin. Anyone can do it. Second, we need to watch the amount of water used at home. It can be conserved by taking short showers instead of baths, repairing leaky faucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth. If we do our part in our own homes, we can help keep the planet from becoming more polluted. Question 29. Pollution comes from ___________ A. water in rivers B. household chemicals and the waste people produce and throw away. C. water from oceans. D. the waste from factory. Question 30. The word “It ” in the second paragraph refers to A. pollution B. recyclingC. repairing D. products Question31. What can recycling help us? A. never cut down trees B. produce more paper products C.place garbage bins easily D. use products again and again Question 32. Which of the following is NOT true? A. We can save water by using leaky faucets B. We can save water by taking showers C. We can save water by using the dishwasher only when fully loaded D. We can save water by turning off when not using