Chinese people are now enjoying better dental heath, as shown by the declining______ of tooth decay.

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问题 Chinese people are now enjoying better dental heath, as shown by the declining______ of tooth decay.

选项 A、incidence
B、treatment
C、consequence
D、misfortune

答案A

解析本题考查句意和名词辨析。incident“事件，事故”；treatment“治疗”；consequence“结果，后果”；misfortune“不幸，厄运”。根据句子意思应该是减少蛀牙的事件，故答案选A。

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