【简答题】根据括号内所给词的适当形式填空 1. It is very (importance) for us to work hard for a better life. 2. We have a (please) journey during the l0-day holiday. 3. The villagers got good (medicine) care in the countryside....
【简答题】用电路交换技术完成的数据传输要经历 、 、 过程。
【单选题】启动定时器0开始计数的指令是使TCON的
【单选题】0ur dreams must ___ if we work hard.