申请复审时,持证人员应提交《特种设备作业人员证》原件。
参考答案:对
— I'm sorry I didn't attend your birthday party because my mother was ill.
— ________. Is your mother better now? [ ]
A. Forget it
B. Go ahead
C. Come on
D. Take your time
结节病不宜用下列哪一种药物()
A.泼尼松
B.硫唑嘌呤
C.甲氨蝶呤
D.维生素B
E.维生素D