单项选择题

If you receive the following codes " _________" from the sea, do you know what the message tells

A．The ship is in danger.
B．The ship will arrive.
C．The ship is broken into pieces.
D．The ship is lack of water
<上一题 目录 下一题>
热门 试题

单项选择题
At sea, ships within sight of each other but out of earshot The underlined word means______.
A．the ear was shot
B．a man' s
C．can't hear
D．hearing distance
单项选择题
The passage mainly tells us ________.
A．how to send messages
B．what the Morse code is and how it is widely used
C．the Morse code is used telegraphic code
D．how Morse invented the telegraphic code
相关试题