判断题
可以在BroadcastRrceiver和onReceiver方法中处理耗时复杂的业务
【参考答案】
错误
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相关考题
A.
increases with increasing charge
B.
is opposite the direction of the magnetic field
C.
is zero
D.
is in the direction of the magnetic field
E.
causes the particle to accelerate to the right
