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如下图水箱,P点处相对压强为( )。

单选题
2021-07-18 00:01
A、5kPa
B、147kPa
C、49kPa
D、204kPa
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正确答案
C

试题解析

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(本题4.0分)
如下图水箱,P点处相对压强为( )。

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有如下程序:
START: MOV BL,67H
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阅读程序,说明程序执行后BH,BL,AL,CL的值;
MOV BL, 72H
MOV AL, BL
MOV CL, 4
SHR BL, CL
OR BL, 30H
MOV BH, BL
AND AL, OFH
OR AL, 30H
MOV BL, AL
INT 3
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源程序如下:
MOV AL,0B7H
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XOR AL,81H
OR AL,33H
JP LAB1
JMP LAB2

执行程序后AL为多少?
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