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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单项选择题
A．They don’t enjoy swimming.B．They won’t go swimming in the lake today.C．They don’t know how to swim.D．They’ll swim in the lake tomorrow.
A．They don’t enjoy swimming.
B．They won’t go swimming in the lake today.
C．They don’t know how to swim.
D．They’ll swim in the lake tomorrow.
单项选择题
The new device is called talking binoculars probably because ______.
A．scouts can use them to share information efficiently as if they are talking to each other
B．scouts can use them to talk to each other just as they do with cell phones
C．they can transform video images to sounds as if they are talking to the scouts
D．they send out sounds to warn the scouts once the enemy is detected
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