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Unit 5 Meeting your ancestors Ⅰ.单项填空 1．Those who suffer from headache will find they get______ from this medicine. A．reliefB．safety C．defense D．shelter 解析 考查名词词义辨析。句意：那些头痛患者会发现他们会通过这种药减轻疼痛。relief缓解，减轻；safety安全；defense保护；shelter庇护。 答案 A 2．This special school accepts all disabled students，______educational level and background. A．according to B．regardless of C．in addition to D．in terms of 解析 选项A意为“根据……”；选项B意为“不顾……；抛开……不说”；选项C意为“除……之外(还有)”；选项D意为“就……来说”。根据语境知道，选项B合适。 答案 B 3．As there is less and less coal and oil，scientists are exploring new ways of making use of______ energy，such as sunlight，wind and water for power and fuel. A．primary B．alternative C．instant D．unique 解析 考查形容词词义辨析。语意表示“煤炭与石油”之外的可供替代的能源如阳光、风和水，alternative表示“供替代的；两者择一的”。 | 
