【单选题】The marginal rate of transformation (MRT) of X for Y refers to:
A.
a. the amount of Y that a nation must give up to produce each additional unit of X
B.
b. the opportunity cost of X
C.
c. the absolute slope of the production frontier at the point of production
【单选题】In Paragraph 4, "50-50 odds" refers to ____
【单选题】“The lack of awareness” in Para. 5 refers to ______.
A.
different holidaying preferences
B.
difficulty of finding accommodation
C.
little knowledge of the beauty of the beach
D.
long distance from the airports
【判断题】2. Safety refers to the security of
the goods transported. ( )
【单选题】广告活动中 , 进行广告策划的主体是 ( ) 。
【单选题】The word "sanctuary" in paragraph 3 refers to ( ).
A.
a holy place dedicated to a certain god.
B.
a temple or nunnery of the middle age.
C.
a certain place you can hide in and avoid mishaps.
D.
an academy for intelligent people.
【判断题】在命题公式A的真值表中,真值为0的指派对应的小项的析取, 即为A的主析取范式。
【多选题】根据资本的所有权划分,商业银行可分为 ( )
【判断题】The "D" word refers to "depression".