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【简答题】
小王装修房子时选购玻璃，看到两种效果：甲是单层玻璃，乙是双层玻璃（夹层内抽成真空）．小王想知道它们的区别在哪里，请从声学角度判断：
（1）哪种玻璃的隔音效果好？答：______
（2）物理依据：______．
（3）我们都知道：透过两种玻璃都能清晰地看到外面的景物，这个现象能够说明光的传播与声音的传播有什么不同？
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Priscilla Ouchida's 'energy-efficient' house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $ 100, 000, three-bedroom home in California Tig...
A.
is well worth the money spent on its construction
B.
is almost faultless from the point of energy conservation
C.
failed to meet energy conservation standards
D.
was designed and constructed in a scientific way
【单选题】夹层颈动脉瘤（）。
A.
多由动脉硬化引起
B.
由动脉内膜病变引起
C.
多由创伤引起
D.
由颈总动脉分叉处后方外膜的化学感受器发生病变所致
E.
由先天性动脉囊性中层坏死所致
【单选题】Priscilla Ouchida’s "energy-efficient" house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bed- room home in California. Ti...
A.
Energy Conservation
B.
House Building Crisis
C.
Air Pollution Indoors
D.
Traps in Building Construction
【单选题】不同类型试件变形检测对应的最大面法线挠度（角位移值）应符合GB/T 7106-2008标准中表7的要求。当外窗（门）面板采用单层玻璃或夹层玻璃时，其变形检测最大面法线挠度（角位移值）为。（ ）
A.
±L/450
B.
±L/300
C.
10mm
D.
±L/150