It is indicated in Paragraph 1 that______. A．seeing is not always believing B．healthy people also should always go to hospital for a cancer screening C．through our own physiological system can we eradicate tumors D．screening for lung cancer, to some extent, may do more harm than good
A. A．seeing B.healthy C.through D.screening
【参考答案】
D 属信息推断题。选项A说法过于笼统抽象，不能简单地通过第一段的内容推断出来，故选项A错误。选项B与第一段第二句......