前进一!A.Full ahead!B.Slow ahead!C.Half ahead!D.Ahead three
前进一!
A.Full ahead!
B.Slow ahead!
C.Half ahead!
D.Ahead three
相关考题：
We usually shrug ___________ the words we are really glad to hear. A. ofB. aroundC. offD. ahead
A head-on situation at night is one in which you see dead ahead a vessel showing ______.A.one sidelightB.one sidelight and a masthead lightC.one sidelight and two masthead lightsD.both sidelights of a vessel and her masthead light(s)
In a twin screw ship going half-ahead,both screws turning outboard and the rudder amidships no current or wind, the vessel will ______.A.Move bodily to portB.Move bodily to starboardC.Move in a zig-zag motionD.Steer a fairly straight course
CDMA for cellular systems can be described as follows.As with FDMA，each cell is allocated a frequency（ ），which is split into two parts,half for reverse（mobile unit to base station）and half for（本题）（base station to mobile unit）.For full-duplex（ ）.a mobile unit uses both reverse and forwardchannels.Transmission is in the form of direct-sequence spread（ ）,which uses a chipping code to increase the data rate of the transmission,resulting inan increased signal bandwidth.Multiple access is provided by assigning（ ）chipping codes to multiple users,so that the receiver can recover the transmission of an individual unit from multiple transmissions.A.forwardB.reverseC.backwardD.ahead
带头结点的单向链表的头指针为head，该链表为空的判定条件是（）的值为真。Ahead==NULLBhead-next==headChead-next==NULLDhead==head-next
This sign warns（）ahead.Apeople the dangerBpeople of the dangerCpeople about the dangerDthe danger