【单选题】Which of the following is TRUE about the family Katy is living with?
B.
There are three people in their house.
D.
They have never taken Katy to the parties.
【单选题】听对话,回答问题。 Who hasn't been to the Disneyland in Hong Kong?
【单选题】It is surprising that Jack, who is only 39 years old, _______ in the field of engineering for 20 years when he entered the company last month.
【判断题】PCB是以配送中心的各种接受订货的单位来进行分析,对各种包装单位的EIQ资料表进行分析,以得知物流包装单位特性。
【单选题】单位体积流体所具宥的质量称为流体的( )。