![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
Which mode of transportation is most flexible?()
A.Air
B.Ship
C.Rail
D.Motor
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_ckda.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_wyda.png)
- · 有4位网友选择 D,占比40%
- · 有3位网友选择 A,占比30%
- · 有3位网友选择 C,占比30%
A.Air
B.Ship
C.Rail
D.Motor
Which of the following is a transportation mode for goods delivery ()
A.C10thes.
B.Services.
C.Motor.
D.Electricity
A、active mode
B、saturation mode
C、cutoff mode
D、reverse active mode
Which of the following is a transportation mode for goods delivery? ()
A.Clothes.
B.Services.
C.Motor.
D.Electricity.
Which of the following trade terms may be used for any mode of transport, iucluding muhimodal transport?()
A.FOB
B.CIP
C.CIF
D.CFR
A、A communication mode in which radio waves are used as carriers and optical fibers are used as transmission media.
B、A communication mode in which optical waves are used as carriers and optical fibers are used as transmission media.
C、A communication mode in which optical waves are used as carriers and cables are used as transmission media.
D、A communication mode in which laser is used as carriers and optical fibers are used as transmission media.
For the circuit in below, the highest voltage to which the base can be raised while the transistor remains in the active mode is V. Assume α ?1.
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