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e about them D. tell what colors they really are does it say“ At first, it is not easy to feel these things?” Because______ A. the things are used by people, too. B. people know how to use the things. C. people feel the things too often. D. the things are easy to feel. be the best title of the passage. A. Feeling by Seeing B. To See or to Feel C. Ways of Touching D. To See Better Feel B Nowadays, many children spend hours a day looking at puter screens or other digital products. Some eye care doctors say all the screen time has caused more children to have what they call puter vision syndrome (視力綜合癥 ). Nathan Warford is an optometrist(眼光師) in the US. He says he has seen more children having eye problems. “More children e into my office because their parents have noticed that they have headaches or red eyes, or because their degree of shortsightedness appears to be increasing very fast and they’re worried,” he said. Dr. Warford says part of the problem is that even if their eyes start to feel unfortable or they start to get a headache, some children don’t tell their parents, because they don’t want their games or the puter to be taken away. Another part of the problem is that people blink less often when they look at the screen. A person who uses a puter or a digital product blinks about a third as much as we normally do in everyday life. If eyes can’t stay wet or are too tired, they will not be protected like normal. of the following may be caused by too much screen time? A. Having wet . Having headaches. C. Having small . Having a toothache 42. Why don’t some ch ildren tell their parents when their eyes start to feel unfortable? A. They think it is not serious. B. They want to continue playing puter games. C. They don’t want their parents to worry. D. Their parents don’t care abo ut them. 43. People blink about _______ as they normally do when they use puters. A. a third as much B. two thirds as much C. half as much D. as much 44. From the passage, we can learn that _________. A. children should blink as much as possible B. tears can’t protect eyes C. blinking is good for eyes D. It’s useless to blink. 45. What is the passage mainly about? A. Some information about the latest digital products. B. Dr. Warford’s experience of working out eye problems. C. Eye problems in children caused by using digital products. D. It’s bad to use puters . C The Inter, mobile phones and iPads are part of our lives now. Technology is greatly affecting all ways of our lives, from the ways we work to the ways we play. And it even causes a number of social problems such as cloning humans. We have had lots of technology and it has changed our lives a lot. There is no doubt that humans will continue to use more and more technolog