防护罩、安全阀等不属于安全防护设施。
参考答案：错
It has a strange smell in your room. You'd better keep the window ______. [ ]
A. open
B. opens
C. closes
D. closed
承运人对运输过程中的旅客的伤亡（）
A.不承担责任
B.承担过错责任
C.承担过错推定责任
D.承担无过错责任
