单项选择题

Cellular phones are wireless mobile phones that ______ and receive computer-controlled radio signals.

A．transmit
B．give off
C．dispatch
D．launch
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单项选择题
Our team got beaten in the ______ rounds of the competition.
A．principal
B．professional
C．promising
D．preliminary
单项选择题
All that afternoon my father was in ______ as he had his wallet stolen on the bus.
A．great anxiety
B．sad illusion
C．ill humor
D．deep hatred
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