单选题
The two-way radio is something like a telephone because ______.
A、
the radio has two telephones
B、
you can talk to and listen to somebody by radio
C、
the boys and girls can listen to somebody by radio
D、
people can talk to a doctor hundreds of miles away by radio
【正确答案】
B
【答案解析】
[分析] 第二段第二句It works much like a telephone．A person can listen to someone else talk and give an answer．可得答案。
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