关于流行病学,下列哪种说法正确()
A.从个体的角度研究疾病和健康
B.只研究传染病的流行和防治
C.只研究慢性病的危险因素
D.研究人群中疾病和健康的分布及其影响因素
E.无法研究原因不明疾病
参考答案:D
关于流行病学,下列哪种说法正确()
A.从个体的角度研究疾病和健康
B.只研究传染病的流行和防治
C.只研究慢性病的危险因素
D.研究人群中疾病和健康的分布及其影响因素
E.无法研究原因不明疾病
参考答案:D
读一读下面的对话,写名称。 | |||
A: Where is the teacher's office? B: It's on the first floor. A: Where is the art room? B: It's on the second floor; The music room is on the second floor, too. A: Is the canteen on the first floor? B: Yes, it is. And the washroom is on the first floor, too. A: Do you have a TV room? B: No, we don't. But we have a gym. It's on the second floor.
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