定义如下变量和数组: int i, x[3][3]={1,2,3,4,5,6,7,8,9};则下面语句for(i=0;i<3;i++) printf("%d",x[i][2-i]); 的输出结果是( )
A. 1 5 9
B. 1 4 7
C. 3 5 7
D. 3 6 9
According to the first paragraph, which of the following is true about the term "organic foods"
A. It is accepted by most nutritionists.
B. It has been used only in recent years.
C. It has no fixed meaning.
D. It is seldom used by consumers.
材料价格差异的控制重点是( )。
A. 材料采购环节
B. 材料领用环节
C. 产品生产环节
D. 材料销售环节
读出以下语句的输出结果是( )。 int x=10,y=10; printf(“%d %d\n”,x--,--y);
A. 10 10
B. 9 9
C. 9 10
D. 10 9
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