A
farmer has the ability to grow either corn or cotton or some
combination of the two. Given no other information, it follows that
the farmer’s opportunity cost of a bushel of corn multiplied by
his opportunity cost of a bushel of cotton ( )
A: is
equal to 0.
B: is
between 0 and 1.
C: is
equal to 1.
D: is
greater than 1.
farmer has the ability to grow either corn or cotton or some
combination of the two. Given no other information, it follows that
the farmer’s opportunity cost of a bushel of corn multiplied by
his opportunity cost of a bushel of cotton ( )
A: is
equal to 0.
B: is
between 0 and 1.
C: is
equal to 1.
D: is
greater than 1.
举一反三
- Individuals Lin<br/>and Li<br/>both produce good X. Lin has a<br/>comparative advantage in the production of good X if Lin ( ) A: has a lower opportunity cost of producing good X than<br/>has Li. B: has a lower opportunity cost of producing good X than<br/>of producing good C: can produce more units of X in a given time period<br/>than can Li. D: can produce X using newer technology than can Li.
- 执行下面的语句后,输出结果是( )。[br][/br]s = 0[br][/br]for a in range(1, 5) :[br][/br]for b in range(1, a) :[br][/br]s += 1[br][/br]print(s) A: 0 B: 1 C: 5 D: 6
- The<br/>spinning process of combing pure cotton is followed by cotton<br/>assorting, cleaning and carding,(),<br/>()<br/>drawing 1~2<br/>passes, roving, () and finishing, to form the the desired cotton<br/>yarns or threads. A: Preparation for combing B: Combing C: Roving D: Spinning
- The<br/>American belief in equality of opportunity means that _____. A: all<br/>Americans are rich B: Americans<br/>believe that everyone should be equal C: everyone<br/>should have an equal chance to succeed D: all<br/>Americans are equally born
- 下面代码的输出结果是[br][/br]s=0[br][/br]while(s[=1):<br] print('计数:',s)[br][/br] s=s+1 A: 计数:1 B: 出错 C: 计数:0 D: 计数:0<br>计数:1