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2017公共英语等级考试二级专题模拟题
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根据短文内容，从短文后的选项中选出能填人空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项为多余选项。
Eyesight plays a very important role in our daily life. Every waking moment, the eyes are working to see the world around us. Over forty percent of Americans worry about losing eyesight, but it' s easy to include steps into our daily life to ensure healthy eyes. Here are five suggestions for a lifetime of healthy eyesight:
Schedule yearly exams.31Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check. The good news is that millions of children now can have yearly eye exams and following treatment, including eyeglasses.
Protect against UV rays (紫外线). Long-term stay in the sun creates risk to your eyes. No matter what the season is, it' s extremely important to wear sunglasses.32Give your eyes a break. Two-thirds of Americans spend up to seven hours a day using com- puters or other digital products.33Experts recommend that people practice the 20/20/20rule: every 20 minutes, take a 20-second break and look at something 20 feet away.34As part of a healthy diet, eat more fruits and vegetables each day. Vitamins ( 维生素) C and E help protect eyesight and promote eye health.
Practice safe wear and care of contact lenses (隐形眼镜). Many Americans use contact lenses to improve their eyesight. While some follow the medical guidance for wearing contact len- ses, many are breaking the rules and putting their eyesight at risk.35Otherwise, you may have problems such as red eyes, pain in the eyes, or a more serious condition.
A. Eat your greens.
B. Eye care should begin early in life.
C. They can properly protect your eyes.
D. Stay in good shape by taking more vitamins.
E. Parents usually don' t care about their own eyesight.
F. Always follow the doctor' s advice for appropriate wear.
G. This frequent eye activity increases the risk for eye tiredness.
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视力在我们每天的生活中扮演着重要角色。只要醒着，眼睛就在看周围的世界。超过百分之四十的美国人担心视力下降，不过，每天做到简单的几步就能保证我们拥有健康的眼睛。以下的几条建议能帮助你一辈子维持健康的视力：
每年定期检查。对眼睛的保护应该从小开始。专家们建议父母在孩子6到l2个月大的时候。带他们到医生那里做一次详细的检查。好消息是，几百万的儿童现在能够每年接受眼睛检查及相应的治疗，包括佩戴眼镜在内。
保护眼睛不受紫外线的伤害。长期处于阳光下可能会对你的眼睛带来危害。不管你这么做是出于什么原因，一定要戴太阳镜。太阳镜能适当地保护你的眼睛。
让你的眼睛休息一下。三分之二的美国人每天使用电脑或其他电子设备的时间高达七个小时。这样频繁的眼部活动会导致眼疲劳的风险增大。专家们建议人们采取20/20/20的法则，即每20分钟休息20秒，看看20英尺之外的事物。
多吃绿色蔬菜。这是健康饮食的一部分，每天多吃些水果和蔬菜：
维生素C和维生素E能保护视力，促进眼部健康：
安全佩戴和护理你的隐形眼镜。许多美国人佩戴隐形眼镜来矫正视力。尽管一些人在佩戴的时候会遵从相应的医疗建议，许多人却不顾规则.从而危害到了他们的视力。一定要听从医生的建议，正确佩戴。否则可能会出现红眼、眼痛甚至更加严重的眼部疾病。
31.B【解析】根据本段第一句“Schedule yearly exams.”和空格后的“Experts advise parents to bring babies 6 t0 12 months of age…”与B选项中的Eye care和early inlife相符，故选B项。
32.C【解析】戴太阳镜预防紫外线，它们可以适当地保护你的眼睛。本句是对本段的总结概括。本段内容主要讨论了太阳镜防紫外线这一建议，故C项正确。
33.G【解析】空格前一句说“三分之二的美国人每天使用电脑或其他电子设备的时间高达七个小时。”由此可推知空格处应该是说明这些行为的危害性。故G选项“这种频繁的眼部活动会提高眼睛疲劳的风险。”为最佳选项。
34.A【解析】Eat your greens.多吃绿色蔬菜。本段空格后面的内容均与饮食有关，并说明了健康饮食对保护视力的作用，所以选A项。
35.F【解析】上下文均与戴隐形眼镜有关，所以选择含有关键词wear的选项。同时medical guidance和doctor’S advice也互为暗示。故F为正确选项。
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