89C51有()个并行I/O口,其中P0~P3是准双向口,所以输出转输入时必须先写入()。
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A turbocharged diesel engine will have an intake manifold pressure()
A. constantly decreasing as engine load increase
B. constantly increasing as the amount of supercharging increases
C. approximately equal to exhaust manifold pressure at all times
D. approximately equal to atmospheric pressure at all time
在所有教学活动中体现出来的教学能力称为一般教学能力。
A. 正确
B. 错误
行政法律关系主体就是行政主体,是行政法律关系中权利的享有者。
A. 正确
B. 错误
明朝的廷杖制度由()监刑。
A. 锦衣卫
B. 司礼监
C. 东厂