阅读下列FORTRAN77程序: READ(*,*) P,Q X=MOD(Q,P) 10 IF (ABS(X).GT.0.1) THEN Q=P P=X X=MOD(Q,P) GOTO 10 END IF WRITE(*,*) P END 运行上述程序时,如果从键盘输入 5.7,2.4<回车>则最后输出的P值为
A.2.4
B. 0.9
C. 0.6
D. 0.3
A.2.4
B. 0.9
C. 0.6
D. 0.3
选出与下列文件操作语句关系最密切的单词。
供选择的答案:
(1) comment (2) execute (3) close (4) read
(5) rewind (6) open (7) write (8) forward
阅读下列程序并说明其功能。
LEA SI,A
LP:IN AL,20
AND AL,0FH
OR AL,30H
CMP AL,'*'
JZ ENDP
MOV [SI],AL
INC SI
OUT 30H,AL
JMP LP
ENDP:HLT
A.true true true
B.false false true
C.false false false
D.false true false
阅读下列程序, SET TALK OFF STORE 3 TO X,Y,Z DO PP1 WITH (X),Y ?X,Y,Z *****定义过程***** PROCEDURE PP1 PARAMETER A,B A=A+2 B=B-2 RETURN SET TALK ON 屏幕显示的结果是【 】。
A.△rEa=△rE'aB.△rEa>△rE'a
C.△rEa<△rE'aD.无法确定其大小
A.注释语句的默认字体是绿色
B.注释语句是供阅读理解程序用的,计算机在执行程序的时候会自动跳过
C.程序中的注释语句对程序的运行没有影响
D.注释语句中不可以包含下划线
A.listen or hear
B.smell
C.see or read
D.touch
When there are small children around, it is necessary to put bottles of pills out of ______.
A) reach B) hand C) hold D) place
Having finished his homework, he went on______a novel written by Dickens.
A.reading
B.to read
C.with reading
D.read