Which of the following modes of entry is typically most attractive for a newcomer to international marketing?
A.Exporting
B.Joint ventures
C.Foreign direct investment
D.Franchising
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Nike Corporation occasionally sells products in its home market below cost to protect its domestic market share from foreign competitors. The firm is engaging in:
A.price fixing.
B.reverse dumping.
C.dumping.
D.home guarding.
描述新冠疫情严重性的最佳指标是
A. 续发人数
B. 患病人数
C. 死亡率
D. 发病人数
E. 罹患率
队列研究的观察终点是指
A. 整个研究工作结束
B. 随访者与观察对象失去了联系
C. 观察对象出现了预期的结果
D. 观察对象因非研究因素退出研究
E. 观察对象死于车祸等意外
流行病学三角模型中的“三角”是指
A. 生物环境、社会环境和物质环境
B. 遗传、宿主和环境
C. 致病因素、宿主和环境
D. 传染源、传播途径和易感人群
E. 遗传、环境和病原微生物
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