【单选题】Profit per unit is rising when marginal profit is:
A.
greater than average profit per unit.
B.
less than average profit per unit.
C.
equal to average profit per unit.
【单选题】When the new assembly line is complete, the factory will turn ______ one thousand cars per day.
【单选题】When relieving the helm,the new helmsman should know the ______.
A.
Course per magnetic steering compass
D.
Maximum rudder angle previously used
【单选题】When detaining a person, a public security organ must produce a detention ________.
【单选题】船体外板中的每块钢板的大小、厚度是标注在何种图纸上的()。
【单选题】Fields found that when the bacteria accounted for 100 parts per million of the grain, the beetles' supercooling point ______.