The further study of the virus samples ______ the suspicions that it was the rea

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问题 The further study of the virus samples ______ the suspicions that it was the real cause of the widespread flu in tropical areas.

选项 A、enforced
B、confirmed
C、intensified
D、signified

答案 B

解析对病毒样本的进一步研究证实了人们的疑虑，正是这种病毒造成了热带地区大范围的流行感冒。本题考查动词辨义。enforce“实施，生效；强迫，迫使”；confirm“证实，肯定；确认”；intensify“增强，加剧”；signify“表明，表示”。

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