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初中物理2015各地亮题汇编(10)--我们怎么听到声音(黑龙江省大庆市喇中)
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1、在雷雨来临之前,电光一闪即逝,但雷声却隆隆不断,这是因为( ) A.雷一个接一个打个不停 B.这是双耳效应 C.电光的速度比雷声的速度大 D.雷声经过地面、山岳和云层多次反射造成的 答案 D
2、对于人失去听觉,下列说法不正确的是 ( )A.人只要失去听觉,就不能感知声音B.如果因为传导障碍而失去听觉,可以通过骨传导来感知声音C.对于因传导障碍而失去听觉的人,只要设法将外界产生的振动传给听觉神经,就可以感知声音D.声音可以通过头骨、颌骨传到听觉神经,引起听觉 答案 A
3、随便叫一位同学蒙住眼睛坐在房间中央,请他安静地坐着不动,也不要把头转动,然后站在他的正前方或正后方敲击物体.如图所示
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