某医院眼科门诊于2001年6月份共诊治患者2500例，其中视网膜脱离为50例，占总数的2.00％。下列叙述中哪一个是正确的（）
A.视网膜脱离的患病率为2.00％
B.视网膜脱离的发病率为2.00％
C.在门诊病人中视网膜脱离的构成比为2.00％
D.诊断视网膜脱离的敏感性为2.00％
E.诊断视网膜脱离的特异性为2.00％
参考答案：C
从下面方框中选择一个适当的词或短语，并用其适当形式填空，并将其正确形式写在答题卡对应位置。
小题2:Our school held a _______ sports meet last week. 小题3:The weather in the south is _______ (wet) than that in the north. 小题4:Many students can’t look after _______ (they) without the help of their parents. 小题5:We should eat more vegetables and _______ meat. 小题6:Maria is interested in ___________. 小题7:The traffic here is very busy and it’s _______ for children to walk alone. 小题8:My friend ____________her parents when I knocked at the door. 小题9:My book is_______, I can’t find it. 小题10:The good news brings me _______. |