【单选题】把一容器用隔板分成相等的两部分,左边装 二氧化碳,右边装氢气,两边气体质量相同,温度相同,如果隔板与器壁无摩擦,则隔板应( )
【单选题】把一容器用隔板分成相等的两部分,左边装CO 2 ,右边装H 2 ,两边气体质量相同,温度相同,如果隔板与器壁无摩擦,则隔板应( )
【单选题】矫正后的钢材,不应有明显的凹面或损伤,划痕深度不得大于0.5mm,且不应大于该钢材厚度负允许偏差的()
【简答题】多式联运经营人在赔偿时从按件赔偿和按毛重每公斤赔偿这两种责任赔偿中选择较()的进行赔偿。
【单选题】Alison is traveling salesperson who drives many miles each day to visit her clients. She gets utility from the purchase of gasoline, but she doesn't care which brand of gasoline she consumes. Suppose ...
A.
40 gallons at PB and 30 gallons at Noxxe
B.
none at PB and 30 gallons at Noxxe
C.
20 gallons at PB and 15 gallons at Noxxe
D.
40 gallons at PB and none at Noxxe