【单选题】The operator who signs the multimode transport document is ____.
A.
only responsible for the first stage of transportation
B.
must be responsible for the whole transportation
C.
is not responsible for transportation
D.
is only responsible for the last stage of the transportation
【简答题】operator: a person who works on a telephone switchboard, who you can call for help operator v. n.
【单选题】The conditional operator ? : is a ______
【单选题】The operator who signs the multimodal transport documents ___________.
A.
is only responsible for the first stage of the transportation
B.
must be responsible for the whole transportation
C.
is not responsible for transportation
D.
is only responsible for the last stage of the transportation
【判断题】The operator is usually a woman who works at the General Switchboard.
【单选题】用五点法作y=2sin2x的图象时,首先应描出的五点的横坐标可以是( )
【判断题】PNP管放大电路中,UCC的极性为负,则该管的发射结反偏、集电结正偏。
【单选题】我国经济体制改革的目标是( )社会主义市场经济体制,以利于进一步解 放和发展生产力。