【单选题】it is to sit on the bench, bathing in the sun.
【简答题】填空 1. It is necessary (sit) down to have a rest. 2. If he___ _ (be)to come, what should we say to him? 3. These water cups ____(make) of paper. 4. Their medical team(医疗队) ____(make) up of doctors ,nur...
【简答题】为了发挥食物蛋白质的互补作用,在调配膳食时需要遵循的原则是什么?
【单选题】it is to sit on the beach , bathing in the sun .
【单选题】下列关于中断I/O方式和DMA方式比较的叙述中错误的( )。
A.
中断I/O方式请求的是CPU处理时间,DMA请求的总线使用权
B.
中断响应发生在一条指令执行结束后,DMA响应发生在一个总线事务完成后
C.
中断I/O方式适用于所有的外部设备,DMA仅适用于快速外部设备
D.
中断I/O方式下数据传送通过软件完成,DMA方式下数据传送由硬件完成
【简答题】请回答下列问题。 1 What is wrong with the woman? 2. How does the flight attendant deal with it? 3. What kind of seat should we give to the pregnant woman? Is it alright for her to sit in the emergency row? 4....
【单选题】– What a hard chair! --Yes, it is. But in fact, it is very comfortable to _____.