問題詳情

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)

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