The incidence of this disease has been greatly reduced thanks to our health care

游客2025-04-13 31

问题 The incidence of this disease has been greatly reduced thanks to our health care program.

选项 A、seriousness
B、frequency of occurrence
C、mortality
D、cure rate

答案 B

解析 seriousness严肃，认真；frequency of occurrence发生频率；morality死亡率；cure rate治愈率。

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