严格控制火源,执行防火、防爆安全规程。
参考答案:对
下列药物中不属于慢作用抗风湿药的是
A.金制剂
B.柳氮磺胺吡啶
C.羟基氯喹
D.青霉胺
E.美洛昔康
---______is your school from your home?
---It takes ahout twenty minutes to get there by bike.
How long B. How far C. How soon D.How often