问题
单项选择题 A1/A2型题
影响传染病流行过程的因素有自然因素和()
A.社会因素
B.文化因素
C.机体的免疫力
D.地理因素
E.病原体的致病力
答案
参考答案:A
解析:该题为专业知识记忆题。主要考查传染病的流行既是生物现象,也是社会现象。只有在一定的社会因素和自然因素的影响下,流行过程才能发生与发展。
影响传染病流行过程的因素有自然因素和()
A.社会因素
B.文化因素
C.机体的免疫力
D.地理因素
E.病原体的致病力
参考答案:A
解析:该题为专业知识记忆题。主要考查传染病的流行既是生物现象,也是社会现象。只有在一定的社会因素和自然因素的影响下,流行过程才能发生与发展。
补全对话。 根据对话情景和内容,从对话后所给的选项中选出能填入空白处的最佳选项。 | |
A: Where is Mary? 1 B: Well, she isn't here. She might have missed the bus. A: We're going out though! B: 2 She may still be at home. A: No, I rang her half an hour ago. 3 B: Then she must have missed the bus or something. Or, she could be in the bath. A: 4 B: You know, she might stop off on the way to see her sister in Putney. 5
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