问题：
[单选题]Any person maintaining a listening watch on a bridge to bridge radio-telephone must be able to（）.
A、Speak English
B、Repair the unit
C、Speak Spanish
D、Send Morse code
参考答案：
A
相关内容
- ● The attitude or emotion of a language uer in chooing a word and the influence of thee on the litener or reader’ interpretation of the word form ___ of a word.
- ● The clothe a peron wear may expre hi___or oclal poition
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- ● Any peron maintaining a litening watch on a bridge-to-bridge radiotelephone mut be able to（）.
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- ● （）any cae or upected cae of quarantinable dieae，or any cae of eruptive dieae or any death be dicovered，the local quarantine officer mut be notified immediately．
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- ● If at any time the officer in charge of the navigational watch i to be relieved when a manoeuvre or other action to avoid any hazard i taking place,（）.
- ● （）mean any peron by whom or in whoe name a contract of carriage of good by ea ha been concluded with a hipper.
