问题
单项选择题
当8088/8086的S4=0，S3=1时，表示当前正使用( )段寄存器。
A．ES
B．CS
C．DS
D．SS
答案
参考答案：D
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当8088/8086的S4=0，S3=1时，表示当前正使用( )段寄存器。
A．ES
B．CS
C．DS
D．SS
参考答案：D
| 用方框中所给词或短语的适当形式填空。 | |
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| A man always went to the same bar at the same time every day and asked for 1 glasses of beer. He drank them and then asked for two more. One day the waiter _ 2 him, "Why do you always 3 two glasses of beer? Why don't you 4 one big glass instead?" The man answered, "Because I don't like to 5 alone. I drink with my friend. " But a few days later, the man _ 6 and asked for only 7 glass of beer. "Oh," the waiter asked, "Has your friend died?" "Oh, no. " said the man, "He's very 8 . This glass of beer is for 9 .But I must stop drinking beer. My doctor doesn't 10 me to drink because it is dangerous for me. " |