【判断题】The
telegraph network crossed the oceans to every continent, instant global
communication possible for the first time.
【判断题】The
first commercial electrical telegraph was constructed
by Morse .
【判断题】对称结构分子,如H2O分子,没有红外活性( )
【判断题】对称结构分子,如H2O分子,没有红外活性。
【判断题】The Daily Telegraph started as London 's first penny paper.
【判断题】The Daily Telegraph started as London’s first penny paper.