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【单选题】
下列抽样方法中,适用于在控制测试使用统计抽样的是A.
系统选样
B.
整群选样
C.
随意选样
D.
货币单元抽样
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反馈参考答案：
举一反三
【单选题】听力原文：W: I've just read a curious fact. Did you know that people who spend less than 10 minutes in a drug store are five times more likely to make a purchase than those who spend haft an hour there? M:...
A.
A druggist' s suggestion.
B.
An article.
C.
An advertisement.
D.
A salesclerk's comment.
【单选题】健康生活方式主要包括（ ）
A.
合理膳食、戒烟限酒、适量运动、心理平衡
B.
适量运动、戒烟限酒、心理平衡、个人卫生
C.
合理膳食、适量运动、心理平衡、生活规律
D.
心理平衡、饮食卫生、注意保健、合理膳食
【单选题】听力原文：W: I've just read a curious fact. Did you know that people who spend less than 10 minutes in a drug store are five times more likely to make a purchase than those who spend half an hour there? M:...
A.
A druggist's suggestion.
B.
An advertisement.
C.
An article.
D.
A salesclerk's comment.
【简答题】In fact, most people have stressful experiences every day. ______ , research shows that people experience more stress today than they did in the past.
【简答题】健康生活方式主要包括哪四个方面?
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