【单选题】Refer to Table 2.1. To maximize total production,
A.
Krystal should specialize in writing TV commercials, and Mark should specialize in writing poems.
B.
Mark should specialize in writing TV commercials, and Krystal should specialize in writing poems.
C.
Krystal should write poems and write TV commercials, but Mark should only write poems.
D.
Krystal and Mark should both split their time between writing poems and writing TV commercials.
【单选题】Referring to Table 1, the United States has the absolute advantage in the production of:
C.
Both steel and televisions
D.
Neither steel nor televisions
【简答题】王女士看中的商品在甲,乙两商场以相同的价格销售,两商场采用的促销方式不同:在甲商场一次性购物超过100元,超过部分八折优惠;在乙商场一次性购物超过50元,超过部分打九折优惠,那么她在甲商场购物多少元就比在乙商场购物优惠?
【判断题】当有用功能无限趋向大,资源消耗趋近于0时,技术系统处于最高理想度。()
【判断题】当有用功能无限趋向大,资源消耗趋近于0时,技术系统的理想度是最高的。
【简答题】北宋时期 成立了 中国历史上第一个专业书画机构,“ ”。