【单选题】8051单片机的中断源在同一优先级别里,5个中断源同时发出中断请求时,程序计数器PC的内容变为( )。
【单选题】It’s________ in Australia when it’s winter in China.
【判断题】在 8086/8088 中,内中断源的级别均比外中断源级别高。
【判断题】在8088/8086中,内中断源的级别均比外中断源级别高。
【简答题】A.It is run by Mrs Winter's husband. B.It hires Mrs Winter as an adviser. C.It gives a 30% discount to all customers. D.It encourages husbands to shop alone.
【判断题】在8086/8088中,内部中断源的级别均比外部中断源的级别高。()
【单选题】It's very cold. It is_______. [ ]
【单选题】A spring line leads ______.
A.
fore and aft from the ship’s side
B.
to the dock at a right angle to the vessel
C.
through the bull nose or chock at the bow
D.
through the chock at the stern
【单选题】-How's the weather today? - ___ ________. [ ]