市场调查中常用的抽样方法有随机抽样和非随机抽样。以下属于随机抽样的是()
A. 任意抽样法
B. 判断抽样法
C. 配额抽样法
D. 简单随机抽样法
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Which of the following about Genachowskis speech is CORRECT？
A. He dedicates to expanding the crowd of using the Internet.
B. With his effort, the Internet servers could hold back video downloads.
C. He listed the entire roadmap to direct the operators except wireless ones.
D. Genachowski"s proposal made in his speech was strongly against by others.Now, listen to the news.
企业年金中企业缴费部分资金与企业自有资金相分离,即企业遇到经营风险面临破产时，企业年金资金不作为企业的资金而被清算。()
The promised bonuses are planed to hand out
A. the following week.
B. next year.
C. this week.
D. after official approval.
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