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【单选题】
The word 'this' in the second sentence of paragraph three refers to ______.A.
the way of processing foods
B.
producing domestic animals in large quantities
C.
the process of enriching the soil
D.
raising animals in a natural way
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举一反三
【单选题】A patent issued by one country when an invention has already been patented in another country, is called a:
A.
confirmation patent.
B.
patent of addition.
C.
petty patent.
D.
precautionary patent.
E.
None of the above.
【判断题】According to the absolute advantage, trade occurs only when each country has an absolute advantage over the other in producing one commodity.
A.
正确
B.
错误
【单选题】下列哪一项不属于微观经济学的研究对象( )
A.
彩电行业的价格决定
B.
经济总体状况，如失业和通货膨胀问题
C.
农产品市场上的供给和需求的相互作用
D.
一家电冰箱企业的产量水平
【单选题】A patent issued by one country when an invention has already been patented in another country, is called a:
A.
confirmation patent.
B.
patent of addition.
C.
petty patent.
D.
precautionary patent.
【单选题】为确保旅游业的健康发展,我国正在完善旅游质量四级监督管理体系,其中最基本的单位,也是目前需要加强和完善的是( )。
A.
国家旅游局质监所
B.
省级旅游局质监所
C.
市(县)旅游局质监所
D.
旅行社的质量管理部门
【单选题】下列哪一项不属于多品牌战略的优势( )
A.
净市场贡献率将呈现边际递减趋势
B.
覆盖更多消费者需求，从而占领更多市场份额
C.
共同壮大主品牌实力的策略，增加了市场的总体占有率
D.
分散风险，当某种品牌出现问题时，避免其他品牌受到牵连
【简答题】Explain how a mutually beneficial trade is possible in a two-country two-good model even when one of the countries has absolute advantage in the production of both the commodities.
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