单项选择题
患儿男，9岁，3岁外斜。眼位：5m；-30，向上25°；一40，向下25°；-10。确切的诊断应为（）
单项选择题 The myor of smll town in southern Itly hs forbidden residents to die, ______ there is no g
单项选择题 Our neighbor hs ________ours.s bigger housesB． housesC．s big housesD．s big houseOur neighbor hs ________ours.s bigger houses B． houses C．s big houses D．s big houses
单项选择题 FXIIIβ：Ag正常值为（）
