問題詳情

44. According to the passage, which of the following statements is NOT true?
(A) Working dogs are helpful in tracking criminal activities.
(B) Pet dogs are kept at work to take care of the sick people.
(C) Trained dogs can detect lung cancer by smelling blood samples.
(D) Dogs can identify certain cancers better than doctors using medical devices.

參考答案

無參考答案

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