(公用)【优化方案】(新课标,全国卷Ⅰ)高考英语二轮复习 特色专项训练 第五组.doc1 第五组( 建议用时: 35 分钟) Ⅰ. 阅读理解 A (2015 · 呼和浩特第二次调研)A lot of us think that we should visit the dentist every six months. Whether those check - ups are really necessary is, however, a matt er of debate. In 2014, three - quarters of dentists surveyed in New York were mending six - monthly check - ups, despite the absence of evidence. Today , anizations still mend six - monthly check - ups. But for several decades some have been arguing that the choice of six months as the ideal space between visits is rather example, Aubrey Sheiham, a professor of dental public health, published a plaining about the lack of evidence for six - monthly check - ups. Almost 40 years, he’s still making the same point. Last year the Cochrane Collaboration performed a review of the research that had been done and they were disappointed with what they found. The quality and quantity of the research was simply too poor to back upt he idea of six - monthly check - ups. There ’s something else we have to bear in mind. Even when a study finds, for example, that children who go to the dentist frequently have fewer fillings, there may be other factors ( 因素) at work. Those same children may have other advantages: they may eat more healthily and have better quality dental equipment. How often should you visit the dentist , then? Bodies like Nice, which provides guidance for the National Health Servi