第35题: [单项选择]Good lighting in factories leads to greater comfort, higher ______ and productivity. A. work B. proficiency C. craft D. efficiency 参考答案:D 答案解析:词义辨析题。work 意为“工作”;proficiency 意为“熟练,精通”,如:acquire proficiency in a foreign language(熟练地掌握一门外语);craft