2. 外语
  3. It is ______ whether Sam will come to attend his best friend’s funeral as he has taken the town’s money and made off with it.

It is ______ whether Sam will come to attend his best friend’s funeral as he has taken the town’s money and made off with it.

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问题 It is ______ whether Sam will come to attend his best friend’s funeral as he has taken the town’s money and made off with it.
选项 A、suspicious
B、doubtful
C、dubious
D、unquestionable
答案B
解析 近义词辨析。suspicious意为“可疑的，引起怀疑的”；doubtful意为“可疑的，令人怀疑的”，通常明确表示不肯定，如：It is doubtful whether she will be admitted to graduate school．(她能否考上研究生很值得怀疑。)dubious意为“意外的，未预料的”，表示的不确定性不那么直接和强烈，通常它含有犹豫不决、猜疑、不信任的意思；unquestionable意为“毫无疑问的”。根据句意，人们对山姆能否来持怀疑态度，故un questionable不正确；dubious语义不合适；只能在doubtful和suspicious之间选择，虽然两个词意思比较相近，但表示suspicious的只能是人，不能用于it is．．．的结构中。
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大学英语六级

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