某分部工程双代号网络计划如下图所示,其关键线路有()条。
A.2
B.3
C.4
D.5
参考答案:B
“一滴水珠可能引发一场火灾”,这是危言耸听还是真知灼见?请从光学的角度谈谈你对这句话的见解.
下面是用宋实现二分法查找的8086/8088汇编语言源程序,填空使语句完整,使程序正确执行。 DSEG SEGMENT BLE DB ’’112679ACDF’’ CNT EQU $-TABLE-1 DSEG ENDS SSEG SEGMENT PARA STACK’’STACK’’ DB 256 DUP(0) SSEG ENDS CSEG SEGMENT ASSUME CS:CSEG, DS:DSEG, SS:SSEG START PROC FAR MOV AX, DSEG MOV 【 】 LEA SI,TABLE MOV DI,SI ADD DI,CNT MOV DX,l ;设定查找次数初值 MOV AL,’’F’’ GOON: MOV BX,SI ADD BX,DI SHR BX,1 CMP AL,[BX] JE DONE ;已找到 PUSHF CMP BX,SI JE FD ;搜索完毕,未找到 POPF JLE GO MOV SI,BX JMP NEXT GO: MOV DI,BX NEXT: INC DX JMP GOON FD: MOV BX,0FFFFH DONE: MOV AH,4CH INT 21H RET START ENDP CSEG ENDS END START