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消防梯是消防队员扑救火灾时，登高灭火、救人或翻越障碍的工具，目前常用的有铝合金折叠式救援梯、拉梯、挂钩梯、单杠梯等几种。
A.
正确
B.
错误
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举报参考答案：
举一反三
【多选题】徒手攀登消防梯时，操作规程（ ）。（易）
A.
双手不得同时离梯
B.
保护人员可有可无
C.
梯子未锁牢挂稳前，严禁攀登
D.
二楼以上登高时，必须使用安全绳保护
【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.
【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】The（）(折叠式舱盖) can fold slowly.
A.
rolling type hatch cover
B.
side-rolling hatch cover
C.
folding type hatch cover
D.
automatic hatch cover
相关题目：
【多选题】徒手攀登消防梯时，操作规程（ ）。（易）
A.
双手不得同时离梯
B.
保护人员可有可无
C.
梯子未锁牢挂稳前，严禁攀登
D.
二楼以上登高时，必须使用安全绳保护
【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.
【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】The（）(折叠式舱盖) can fold slowly.
A.
rolling type hatch cover
B.
side-rolling hatch cover
C.
folding type hatch cover
D.
automatic hatch cover
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