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【简答题】
adj. 实际上的,事实上的 v-
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皮皮学刷刷变学霸
举一反三
【单选题】为float类型变量a、b输入数据1.2和2.3,下列哪一组是正确的( )。
A.
scanf(%f%f,&a,&b)； 输入1.2,2.3
B.
scanf(″%f2.1%f2.1″,a,b)； 输入12,23
C.
scanf(″%f；%f″,&a,&b)； 输入1.2,2.3
D.
scanf(″%f%f",&a,&b)； 输入1.2换行2.3
【单选题】为float类型变量a、b输入数据1.2和2.3,下列哪一组是正确的?( )
A.
scanf(%f%f,&a,&b);输入1.2,2.3
B.
scanf(“%f2.1%f2.1”,&a,b);输入1.2,2.3
C.
scanf(“%f;%f”,&a,&b);输入1.2,2.3
D.
scanf(“%f,%f”,&a,&b);输入1.2,2.3
【单选题】A monopolistically competitive market
A.
may have too many or too few firms, and the government can intervene to achieve the optimal number of firms.
B.
may have too many or too few firms, but the government can do little to rectify the situation.
C.
usually has too many firms, reducing the economic profit of each firm to zero.
D.
usually has too few firms, reducing the product variety for consumers.
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