Which is NOT true of bladder cancer?A. It is the

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Which is NOT true of bladder cancer?

A. It is the 9th most common cancer worldwide.

B. It can be identified only by dogs.

C. It kills more than 100,000 people each year.

D. It is mainly caused by smoking.

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  • 答案:B

    最后一段三个句子分别证明A、C、D三个选项是正确的,只有B项没有提到,根据推理,也不可能是正确的。