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【单选题】
平车装载超长货物，游车上装载的货物与货物突出端间距不小于（），货物突出部分的两侧不得装载货物。A.
350mm
B.
400mm
C.
500mm
D.
450mm
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举一反三
【简答题】下列物质中属于溶液的是（ ） A．石灰水 B．液氧 C．牛奶 D．冰水
【单选题】Which of the following is TRUE about the family Katy is living with?
A.
They are friendly.
B.
There are three people in their house.
C.
They are strange.
D.
They have never taken Katy to the parties.
【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.
A.
worked
B.
had worked
C.
has worked
D.
working
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