单项选择题X 纠错
A.while(Distance< 250)
B.when(Distance>250)
C.over(Distance le 250)
D.until(Distance=250)
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A.data work.sales;infile unitsold;input ID $;do week=1to 3;input Quantity :comma.;output;end;run;
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A.data _null_;set work.scores;file ’c:\data\teamdat’dlm=’,’;put name highscore team;run;
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A.IDnum;Item;InStock;BackOrd ;Total
B.Item;IDnum ;InStock ;BackOrd ;Total
C.Total;IDnum;Item ;InStock ;BackOrd
D.Total;Item ;IDnum ;InStock ;BackOrd