Lifesaving regulations require that a fire drill include ______.
A. staring the fire pumps
B. checking the operation of watertight doors
C. checking arrangements for abandon ship
D. All of the above
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室内陈设的作用()
A参与空间组织
B烘托环境氛围
C体现环境特点
D反映业主个性
E彰显地域风情
Metacentric height is a measure of ______.
A. initial stability only
B. stability through all angles
C. maximum righting arm
D. All of the above
陶瓷是陶器与瓷器的总称。陶与瓷的主要区别有:()
A制胎原料不同
B亮度不同
C颜色不同
D釉色不同
室内陈设的种类大体上可以分为四类不正确的是:()
A纯艺术品
B实用工艺品
C家庭日用品
D商品