患者,男,60岁。形寒便溏,完谷不化,夜尿频多清长,下肢不温,舌质淡白,脉沉细。其舌苔应是
A.透明苔B.白干苔C.黄苔D.黄腻苔E.灰苔
参考答案:A
Are you _____ English student? [ ]
A. a
B. an
C. the
D. /
防止静电危害十条规定是什么?