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too hard. You may get a headache when you can’t get enough 7 . You may get a headache when you exercise on an empty 8 . What should you do if you have a headache? You should 9 down and have a good rest. You should get enough sleep. If you have headaches often, you 10 to see a doctor. Ⅴ. 閱讀理解 (10分 ) Children know that summer is probably the most fun of all seasons. However, experts say that it is also the most dangerous, especially for children aged 14 and under. In its first study of children’s safety in the US, the National Safe Kids Campaign(NSKC)found that nearly half of the injuryrelated(與受傷相關(guān)的 )deaths among children are in summer. Experts are also surprised by the study’s result. They always know summer is a dangerous season for children. During the summer, children are out of school and spend more time outdoors