【单选题】Which of the following statemets regarding the production possibilities frontier is true?
A.
Points inside the frontier are attainable.
B.
Points outside the frontier are attainable.
C.
Points on the frontier are less efficient than points inside the frontier.
D.
None of the above becarse all of the above statements are false.
【单选题】On a production possibilities frontier, production is efficient if the production point is
C.
on or inside the frontier.
【单选题】下列选项中对预包装食品描述正确的是? ( )
A.
预先定量包装或者制作在包装材料和容器中的食品
【单选题】下列选项中对预包装食品的描述正确的是( )。
A.
预包装食品,指预先包装或者制作在包装材料和容器中的食品
B.
预包装食品,指预先包装或者制作在包装材料和容器中的产品
C.
预包装食品,指预先定量包装或者制作在包装材料和容器中的食品
D.
预包装食品,指预先包装或者制作在包装材料中的食品
【简答题】Paul aime la couleur verte, il s'habille toujours ( ) verte.
【单选题】On a production possibilities frontier, production is efficient if the production point is
C.
on or inside the frontier.
D.
inside the frontier. Figure 2-6
【单选题】下列选项中队预包装食品的描述正确的是( )。
A.
预包装食品,指预先包装或者制作在包装材料和容器中的食品
B.
预包装食品,指预先包装或者制作在包装材料和容器中的产品
C.
预包装食品,指预先定量包装或者制作在包装材料和容器中的食品
D.
预包装食品,指预先包装或者制作在包装材料中的食品
【单选题】The production possibilities frontier is
A.
map which shows the frontier beyond which agriculture is unprofitable.
B.
map which shows areas of the world in which capitalist production is now possible.
C.
graph which shows the various combinations of resources that can be used to produce a given level of output.
D.
graph that shows the various combinations of output the economy can possibly produce given the available resources and technology.
【判断题】fabs为求绝对值函数,下列程序的输出结果是1.300 000 , 1.300 000 。#include #include int main(){ float a=-1.3;b=1.3;printf("%f,%f",fabs(a),fabs(b);}
【单选题】在粉丝社群金字塔结构中,所有人都需要认可(),有利于粉丝文化的打造。