請依下文回答第 41 題至第 45 題：      The Formosa Fun Coast Water Park in New Taipei City burst into flames on the night of June 27, 2015 after coloredpowder was shot from the stage. Hundreds of tourists were burned and the Taiwanese therefore come to   41   thedanger of dust. The five main causes of dust explosion are: large amounts of flammable dust disseminated in the air,source of   42   , poor ventilation, sufficient oxygen and careless use of powder. Health Business Weekly reports, manypeople believe the cause of this tragedy is lack of   43   knowledge and negligence of the danger of dust. Dustexplosions are caused by flammable particles burning rapidly in a   44   space. If an indoor environment has sufficientoxygen where the dust is at a high 45 and meets a heat source, then there might be a chance of explosion.
【題組】41
(A) realize
(B) resume
(C) respect
(D) reassure