四六级考试

【单选题】 "Sound", as defined by the psychologists,
A．can be measured in the same way that "noise" is measured
B．may be extremely harmful to health
C．is not at all different from "noise"
D．can be measured by machines

网考网参考答案：D
网考网解析：
[试题分析] 事实辨析题。 [详细解答] 从文中可知，声音与噪音不同，声音的大小可以用分贝来衡量，而噪音的强度有不同的情形，故选项D正确。 查看试题解析出处>>