A certain body state or natural environment that can affect （promote or slow down） the occurrence of disease is called（）
A. Cause of a disease
B. Condition of a disease
C. Precipitating factor of a disease
D. Risk factor of a disease
External cause of a disease
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Health is a state（）
A. of complete physical, mental, and social well-being
B. of strong social adaptability
C. without smoking, alcohol and other bad habits
D. of physical fitness
E. without physical illness
Pathophysiology is the science of studying（）
A. normal life activities
B. the changes in function and metabolism in sick bodies
C. The clinical manifestations of disease
D. the changes of morphology and structure in sick bodies
E. the changes of morphology and structure in normal bodies
Which of the following matches the word” laypeople”（）
A. people who are laying somewhere
B. nonprofessional
C. sb who answer questions in a survey
D. supporter
The limit of words of a great title is_（）
A. 15 words or fewer
B. 12 words or fewer
C. 20 words or fewer
D. 25 words or fewer
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