八年级物理上册2.4《让声音为人类服务》第二课时预习检测(新版)粤教沪版.doc

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1让声音为人类服务第二课时预习检测一、选择题1、下列几种声音中,属于噪声的是( )A、晚会现场,舞台上的合唱团发出的激昂而嘹亮的歌声B、交响音乐会上,几十种乐器演奏时发出不同音色的器乐声C、正在放映精彩影片的影剧院里,两位同学轻轻的交谈声D、春游活动中,同学们活泼轻松的说笑声2、以下减弱噪声的方法中,属于在声源处减弱的是( )A、影剧院的墙面用吸音材料制成B、在飞机旁的工作人员佩戴有耳罩的头盔C、城市某些路段禁鸣喇叭D、高架道路两侧某些路段设有隔音板墙3、小燕家进行了以下几项装修,你认为哪一项不能减弱噪声?( )A、安装空调 B、封闭阳台C、给卧室铺地毯 D、安装双层玻璃窗2参考答案一、选择题1、C2、C3、A

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