题目

Studies show the electronic devices (people have made much use of) ______ music may be causing hearing losses. 【2010-2011学年安徽省高考自主命题仿真卷(一)】【非谓语动词】 A. enjoy              B. enjoying       C. to enjoy          D. enjoyed   答案：C本题考查非谓语动词中不定式的用法。Studies show the electronic devices ( people have made much use of ) 定语从句to enjoy music做the electronic devices的后置定语。  请在下图中把开关s、电灯L和插座正确接入电路中．