大学MOOC 流行病学(南方医科大学)1457352170 最新慕课完整章节测试答案
Chapter 1 Introduction to Epidemiology
test
1、单选题：
What is the definition of epidemiology ?
选项：
A: Studing underlying mechanisms of disease, dignosis and treatment.
B: Studying the distributino of communicable disease and relevant factors.
C: Studying the distributino of non-communicable disease and relevant factors, as well as measures to prevent.
D: Studying the distribution of diseases and health st
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