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

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

admin2014-03-02  33
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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