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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Representatives of Callahan Media Associates (CMA) announced today that the news agency would attempt to buy the National Broadcasting System (NBS), the second largest television and radio network in ...
A.
the only one.
B.
a good one.
C.
unacceptably low.
D.
of great competition.
【单选题】已知起航点纬度 =21o11.′3S,两地间纬差 =15o13.′4N,则到达点纬度 为:
A.
36º44.′7S
B.
06º57.′9S
C.
05º57.′9S
D.
06º02.′1S