1874*1937 Italian physicist & inventor; carried out successful experiments with wireless telegraphy, eventually sending signal across the Atlantic; made numerous improvements in wireless capabilities
Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is precisely the opposite, a tool for communicating with a large, public audience.
Marconi’s conception of the radio was as a substitute for the telephone, a tool for private conversation; instead, it is
Marconi conceived of the radio as a substitute for the telephone, a tool for private conversation, but which is
Marconi conceived of the radio as a tool for private conversation that could substitute for the telephone; instead, it has become
Marconi conceived of the radio to be a tool for private conversation, a substitute for the telephone, which has become
Marconi conceived of the radio to be a substitute for the telephone, a tool for private conversation, other than what it is,
各有缺点:A用的名词较多:
B but which 用法怪;
C 分词后的it应该指代主句主语(记得有道题,不用the former指代)
A,B中都有 a tool for private conversation可以和后面a tool for communicating with a large, public audience对应阿