题目内容：
What do newspapers，radio and TV have in common?
[A]They are all objective．
[B]They all involve personalities．
[C]They are all biased．
[D]They have the same impact on people．
参考答案：
答案解析：
单选题：What do newspapers，radio and TV have in common?[A]They are a
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What do newspapers，radio and TV have in common?
[A]They are all objective．
[B]They all involve personalities．
[C]They are all biased．
[D]They have the same impact on people．