单项选择题

Without the talking binoculars, a scout during radio silent scouting missions ______.

A．can be easily detected and located by the enemy
B．is not able to determine the enemy's target position
C．has to make a record of what he has observed
D．risks getting caught when returning to report back
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单项选择题
Strickland pointed out one major advantage of talking binoculars that ______.
A．it is impossible for the enemy to detect them
B．the chance of being detected by the enemy is slim
C．the laser beam they send is too weak to be detected
D．they can only be detected if the detector is near to the forward scout
单项选择题
On the future battlefield, laser technology will be used ______.
A．in the communication between vehicles and aircrafts only
B．to both sending information to and receiving information from satellites
C．widely in war due to its high capacity and low weight
D．exclusively to handle the transmission of voice messages
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