单选题：In Paragraph 3, the phrase "this need" refers to __________

题目分类：卫生类
题目类型：单选题
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题目内容：

In Paragraph 3, the phrase "this need" refers to __________ A．the need to prolong the lives of old people.
B．the need to enrich the life of the retired people
C．the need to build profit-making nursing homes
D．the need to take care of sick and weak people

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

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When you are having a cold, ___________A．it is always the same kind of cold th

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治疗立克次体感染所致斑疹伤寒应首选A．青霉素 B．庆大霉素 C．链霉素 D．四环素 E．多黏菌素

分类：卫生类题型：单选题