問題詳情

【題組】49 Which of the following statements regarding the new elevators is true?
(A) They are now available for high-rise buildings in the U. S.
(B) They require global collaborations to develop and construct.
(C) They can be used as the major means of getting people out of a building on fire.
(D) They can be sensitive to changing smoke and heat conditions in a fire emergency.

參考答案

答案：D
難度：適中0.414634
統計：A(9),B(46),C(60),D(85),E(0)

用户評論

【fangda199112】評論

 NIST is investigating software and sensing systems that can adapt to changing smoke and heat conditions so that the elevators can maintain safe and reliable operation during fire emergencies

【fangda199112】評論

 NIST is investigating software and sensing systems that can adapt to changing smoke and heat conditions so that the elevators can maintain safe and reliable operation during fire emergencies

【fangda199112】評論

 NIST is investigating software and sensing systems that can adapt to changing smoke and heat conditions so that the elevators can maintain safe and reliable operation during fire emergencies