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【多选题】
抽样误差指的是:
A.
由某些非随机的恒定的因素引起的误差
B.
抽样研究时样本统计量取值之间的差异
C.
选择样本不当引起的误差
D.
选择总体不当引起的误差
E.
抽样研究时样本统计量与总体参数间的误差
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【单选题】_______the company is upgrading its inter-office mailing system, employees will still proceed with their work as planned.
A.
Even if
B.
In short
C.
As if
D.
According
【单选题】When employees believe in the mission of the company, ______.
A.
the company will get bigger and bigger
B.
they don't mind how much salary they get
C.
they will make great efforts for the mission
D.
they don't care so much about the company's products
【单选题】Yes, invest in Inter Media It's definitely a company that is _________.
A.
making up
B.
going places
C.
without a hitch
【单选题】He _____by different people in the company.
A.
interviewed
B.
was interviewing
C.
was interviewed
【多选题】Which of the following choices could be covered when describing a company ?
A.
How many employees do you have ?
B.
What is your company's line of business
C.
What kind of products and services do your company provide ?
D.
When was your company  founded ?
【判断题】旅途中发生旅游故障都是导游员的责任。
A.
正确
B.
错误
【简答题】He joined the company when it was in a slump.
【单选题】When will a company renew an existing model?
A.
When it sells well and brings in a good profit.
B.
When it needs improvement to meet the needs of users.
C.
When some of its features have to be deleted.
D.
When certain options have to be added.
【单选题】治疗肾性贫血的特效药是
A.
重组红细胞生成素
B.
铁剂
C.
叶酸
D.
骨化三醇
E.
a一酮酸
【单选题】治疗肾性贫血的特效药是
A.
铁剂
B.
重组促人红细胞生成素
C.
叶酸
D.
新鲜血液
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