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【单选题】
听骨链的杠杆作用可使声压传至前庭窗时增加
A.
1.1倍
B.
1.2倍
C.
1.3倍
D.
1.4倍
E.
1.5倍
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举一反三
【单选题】After the stock-market crash of October 1929 it took over three years for America’s government to launch a series of dramatic efforts to end the Depression, starting with Roosevelt’s declaration of a ...
A.
A damaging inflation ensued after the bankruptcy of many banks.
B.
American economy resumed only after a series of efforts taken by government.
C.
Its damaging effect is the same on both the globe and America.
D.
The relationship between market and government was not tainted.
【多选题】关于听骨链叙述正确的是
A.
由镫骨、锤骨、钻骨组成
B.
锤骨柄与鼓膜连接，镫骨底板与卵圆窗相连
C.
锤骨柄为长臂，钻骨长突为短臂
D.
由于听骨链杠杆两臂长度的差别，使所传递的声波增强1.3倍
E.
听骨链为一个生物杠杆
【多选题】听骨链的生理功能有（）。
A.
实现在有效的阻抗匹配
B.
提高声压
C.
保持体位平衡
D.
对高声压起作用
E.
起声电转换作用
相关题目：
【单选题】After the stock-market crash of October 1929 it took over three years for America’s government to launch a series of dramatic efforts to end the Depression, starting with Roosevelt’s declaration of a ...
A.
A damaging inflation ensued after the bankruptcy of many banks.
B.
American economy resumed only after a series of efforts taken by government.
C.
Its damaging effect is the same on both the globe and America.
D.
The relationship between market and government was not tainted.
【多选题】关于听骨链叙述正确的是
A.
由镫骨、锤骨、钻骨组成
B.
锤骨柄与鼓膜连接，镫骨底板与卵圆窗相连
C.
锤骨柄为长臂，钻骨长突为短臂
D.
由于听骨链杠杆两臂长度的差别，使所传递的声波增强1.3倍
E.
听骨链为一个生物杠杆
【多选题】听骨链的生理功能有（）。
A.
实现在有效的阻抗匹配
B.
提高声压
C.
保持体位平衡
D.
对高声压起作用
E.
起声电转换作用
参考解析：
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