如图是一种新型锁--声纹锁。只要主人说出事先设定的暗语就能把锁打开，别人即使说出 发布时间：2017-05-01 15:15 │ 来源：www.tikuol.com 题型：选择题 问题： 如图是一种新型锁--声纹锁。只要主人说出事先设定的暗语就能把锁打开，别人即使说出暗语也打不开。这种声纹锁辨别声音的主要依据是：[ ]A．音调 B．响度 C．音色 D．声速
题型：选择题 When I talked with my grandma on the phone, she sounded weak, but by the time we _____ up, her voice had been full of life.A. were hanging B. had hung C. hung D. would hang 查看答案
