Column A Column B
The gain minus the loss 0
A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantity are equal
D. if the relationship cannot be determined from the information given
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The 4 beads in a bag are identical except that 2 are red and 2 are blue. If 2 beads are to
A. 1/6
B. 1/4
C. 1/3
D. 1/2
E. 5/6
对来自国外疫区的船舶、航空器，除因遇险或者其他特殊原因外，未经第一入境港口、机场检疫的，不准进入其他港口和机场。()
A. 正确
B. 错误
出口运动鞋须报检，进口运动鞋也须报检。()
A. 正确
B. 错误
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