题目内容：
10[单选题,1.3分] Some studies confirmed that this kind of eye disease was __________ in tropical countries.A.perpetual
B. prospective
C.prevalent
D.provocative
参考答案：
选择题：10[单选题,1.3分] Some studies confirmed that this kind
- 题目分类：河南大学-本科英语
- 题目类型：选择题
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A.perpetual
B. prospective
C.prevalent
D.provocative