单选题The deep-sea listening system makes use of ______.A
the sophisticated technology of focusing sounds under waterB
the capability of sound to travel at high speedC
the unique property of layers of ocean water in transmitting soundD
low-frequency sounds t
题目
单选题
The deep-sea listening system makes use of ______.
A
the sophisticated technology of focusing sounds under water
B
the capability of sound to travel at high speed
C
the unique property of layers of ocean water in transmitting sound
D
low-frequency sounds traveling across different layers of water
更多“单选题The deep-sea listening system makes use of ______.A
the sophisticated technology of focusing sounds under waterB
the capability of sound to travel at high speedC
the unique property of layers of ocean water in transmitting soundD
low-frequency sounds t”相关问题