READ THE PASSAGE CAREFULLY AND FILL IN EACH OF THE BLANKS W...

Section 3. Read the passage carefully and fill in each of the blanks with ONE suitable word. Air pollution is a well-known problem, but now light pollution is also causing concern. Light pollution occurs (1) ________ there are many electric lights around us which are so powerful (2) ________ they stop us seeing the stars in the night sky. It is now such a problem that in some places people (3) _______ outdoor lighting is too bright could even be given a heavy fine. Business owners, supermarkets and even home-owners that install security lights may face legal action if their lights are so bright that they spoil (4) ________ neighbours’ enjoyment of the night sky. Amazingly, many children growing up in big cities today have never seen the night sky properly because of the (5) ________ in light pollution. And it is (6) ________ only in cities – people living in the country are also affected (7) ________ lights from nearby towns. It is a problem for those simply trying to enjoy the stars, and for serious astronomers (8) ________ well. One university in the UK has come up with an interesting solution. It has built a telescope in the Canary Islands and allows schools to use this (9) ________ the Internet. But it does seem ridiculous that children can’t see the stars properly (10) ________ using their computers! PART E. WRITING