A.reply
B.text
C.time
D.answer
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A.poor
B.bad
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D.good
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C.had left already
D.would left already
最新試題
Free communication effect is in direct proportion to（）.
When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
The range of a SSB transmission is MOST affected by（）.
Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.
Which of the following statements is TRUE regarding automatic identification systems (AIS) ? （）
Which of the following statements is TRUE regarding automatic identification systems (AIS) ?（）
The following（）is a standard phrase.
The Agent promised to keep me（）of how our business was going on.
Shall we（）wait at the roadstead till there is a free berth for us?