51单片机的定时/计数器T0和T1，工作在定时方式下，单次定时最大定时是 ms。

o___________ tht the government cn led them out of the finncil crisis, peoplere optimisticbout the future of the country.Convincing B．Convinced C．To convince D．Hving convincedA．ConvincingB．ConvincedC．To convinceD．Having convinced