题目内容

A.DO P1B.DO P1 WITH IC.DO P1 HAVE ID.DO P1 OWN I

A. DO P1
B. DO P1 WITH I
C. DO P1 HAVE I
DO P1 OWN I

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若将D=B*B-4*A*C改为D=A*A-B*C,则D的输出结果为 ______。

A. 0
B. 1
C. 2
D. 3

A.insteadB.andC.exceptD.besides

A. instead
B. and
C. except
D. besides

若将? D改为? A,D,则A,D的输出结果分别为 ______。

A. 0 1
B. 1 1
C. 2 1
D. 3 1

A.CHAR $ FIELDNAMEB.AT (CHAR,FIELDNAME)>0C.CHAR$ & FIELDNAMED.AT(& CHAR,&

A. CHAR $ FIELDNAME
B. AT (CHAR,FIELDNAME)>0
CHAR$ & FIELDNAME
D. AT(& CHAR,& FIELDNAME)>0

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