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【多选题】
徒手攀登消防梯时应注意哪些事项？（）
A.
徒手攀登消防梯时，双手不得同时离开梯蹬；
B.
二楼以上登高时，必须使用安全绳保护，安全绳的另一端必须设立固定点
C.
梯子未锁牢挂稳前，严禁攀登。
D.
徒手攀登消防梯时，双手可以同时离开梯蹬
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题目标签：消防梯
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】On February 4,1974,the Capital Building, the newest building in Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fire. There were 25 floors i...
A.
Right.
B.
Wrong.
C.
Doesn’ t say.
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.
【单选题】On February 4,1974, the Capital Building, the newest building ha Sao Paulo, was destroyed in a big fire. The fire was started on the 11th floor. Soon the whole floor was on fare. There were 25 floors ...
A.
Right.
B.
Wrong.
C.
Doesn’t say.