已知：(R0)=4BH，(A)=84H，片内RAM(4BH)=7FH，(40)=20H，执行程序后，(R0)=35H，(A)=7FH，(4BH)=20H，(40H)=7FH MOV A，@R0 MOV @R0，40H MOV 40H，ACC MOV R0，#35H 错误：______ 改正：______

At an airport.
B. In a police station.
C. In a department store.
D. On a subway.

A. Not by check.
By credit card.
C. Immediately.
D. In cash.

A. Her car was damaged.
B. She almost collided with a school bus.
C. The speed was too fast.
D. She couldn’t stop the bus.

A. Check on what’s for dinner.
B. Go running before they eat.
C. Go to the lab briefly.
D. See if they have lots of work.