设AL=0EOH,CX=3,执行RCL,AL,CL指令后,CF的内容为( )。
A.0
B.1
C.不变
D.变反
参考答案:A
读一读,把下列句子排成完整对话。
A. Jenny and Danny arrive today.
B. Good morning, Li Ming.
C. Sure. Let's take a bus.
D. Yes, I know.
E. Good morning, Mum.
F. May we go to the airport to meet them?
正确的顺序是: E ____________________________
人工土石方有哪些项目?