创造力培养方法不对的是()。
A.始终处于紧张状态
B.感恩
C.激发想象力
D.注于此刻
参考答案:A
---It was a red light, Willian. You __________ the car.
---Sorry. I didn’t see it.
A.must stop
B.should stop
C.must have stopped
D.should have stopped
NBDP的码元中,“传号”对应的音频为()。
A、1415Hz
B、1500Hz
C、1785Hz
D、1615Hz