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问题
填空题
JK触发器中，当J=1，K=1时，触发器具有______功能。
答案
参考答案：
翻转
选择题
_____bikes in the school. If you do that, the teachers will take your bikes away.
A. Ride
B. Not ride
C. Don't ride
D. Riding
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单项选择题
脊髓损伤患者坐位时皮肤减压间隔时间（）
A.5min
B.10min
C.15min
D.30min
E.45min
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