问题
选择题
275. A telephone is an instrument by which we can speak to people far away. The underlined word means ____.
A．a tool
B．an experiment
C．an expression
D．an instruction
答案
A
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275. A telephone is an instrument by which we can speak to people far away. The underlined word means ____.
A．a tool
B．an experiment
C．an expression
D．an instruction
A