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xiaoxixi0818

新虫 (小有名气)

[求助] 生理考题

.A,B两人走在人行道上,A走在前,B走在后。当B喊A时,A能听到。但是如果B以同样的音量喊A,而A正在非常专注地考虑一件事情时,A就听不到,为什么?用学过的生理学知识解释此现象。
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duckoo2003

铁虫 (初入文坛)

【答案】应助回帖

★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
jiangchunyong: 金币+1, 谢谢 2013-03-01 09:11:26
xiaoxixi0818: 金币+5, ★★★很有帮助, 谢谢,很好 2013-03-03 12:22:28
大脑的丢包现象,听觉反射完成,但没有产生知觉
2楼2013-03-01 00:49:49
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