Last year SARS was ______in many countries of the world.
A. transformed
B. transmitted
C. transferred
D. transplanted
查看答案
在相同条件下最便于组织，节省经费的是
A. 单纯随机抽样
B. 系统抽样
C. 整群抽样
D. 分层抽样
E. 多阶段抽样
Man: Have you heard it John has just been promoted again! Woman: He’’s the boss’’s blue-eyed boy at the present. Question: What does the woman mean
A. Her brother didn’t take good care of her grandmother.
B. Her grandmother looks very healthy after some days at her brother’s.
C. Her grandmother looks very tired after some days at her brother’s.
D. Her brother has made her grandmother very happy by often buying her roses.
在相同条件下抽样误差最大的是
A. 单纯随机抽样
B. 系统抽样
C. 整群抽样
D. 分层抽样
E. 多阶段抽样
现金短缺，经查属于出纳人员的责任，但尚未收到赔款时，应借记“现金”。( )
A. 对
B. 错
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