胞睑肿起若球，不伴赤痛多为（）
A.脾胃热毒蕴积
B.气血瘀滞
C.外感风邪
D.脾肾阳虚
E.湿热熏蒸
参考答案：D
—Can you tell me all about the earthquake?
—Sorry, I know nothing about it _____ I read in the newspaper. [ ]
A. except
B. except for
C. except what
D. except that
有一溶氧仪，它的精度为2级，量程为0～100μg／L，求该溶氧仪的允许误差Δx
