题目内容

What does the underlined word preoccupation mean？

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下面，请听 18～20 题。
第 18 题 The patient, according to the analyst' s report, is

By saying“This is no flash in the pan”(Para．3)，the author means that __________.

How does the author feel about the present situation？

Which of the following can NOT be inferred from the passage？