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【单选题】
某乡5000户约2,欲抽其1/5人口进行某病调查,随机抽取1户开始后,每隔5户抽取1户,抽到的户其每个成员均进行调查,这种抽样方法为:
A.
分层抽样
B.
系统抽样
C.
整群抽样
D.
简单抽样
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参考答案:
举一反三
【单选题】下列哪个选项不是特级护理的内容( )
A.
维持生命,实施抢救性治疗的重症监护患者
B.
各种复杂或大手术后、严重创伤或大面积烧伤的患者
C.
自理能力重度依赖的患者
D.
病情危重,随时可能发生病情变化需要进行监护、抢救的患者
【单选题】Read the passage about tips for shopping online (part 2) and choose the correct answer.Tip 2: When you start shopping, know what you’re looking for. This way it will be easier to ignore the other thin...
A.
You should think.
B.
You should think about how you are going to pay.
C.
You should think about what you want to buy.
D.
You should compare prices.
【单选题】“应收账款”科目明细账中若有贷方余额,应将其计入资产负债表的( )项目。
A.
应收账款
B.
应付账款
C.
预收账款
D.
预付账款
【单选题】Experiments are the most powerful way to gain knowledge because they have the ability to _______.
A.
prove theories are true
B.
contrast
C.
establish causation
D.
provde rich datasets
【单选题】Experiments are being made in California to ______ computer chips, sensors on highways to alert cars to traffic jams.
A.
sale
B.
buy
C.
mount
D.
check
【单选题】What should be done when you are ready to end a business phone call?
A.
Ask for the person you want to speak with.
B.
Summarize the talk and review the major points.
C.
Let the caller complete his or her sentence.
【单选题】“应收账款”科目明细账中若有贷方余额,应将其计入资产负债表中的( )项目。
A.
应收账款
B.
预收账款
C.
应付账款
D.
预付账款
【简答题】阅读下文,从各小题所给的四个选项中选出能回答所提问题或完成所给句子的最佳答案。 When you want to find some information, do you first think of the Internet? Now, more and more students are using the Internet instead of using books. But we ca...
【多选题】离散型变量的变量值( )。
A.
是间断的(非连续的)
B.
表现形式为整数
C.
可以一一列举
D.
相邻数值间不可分割
E.
要用点数的方法取得资料
【单选题】下列哪个选项不是特级护理的内容()
A.
维持生命,实施抢救性治疗的重症监护患者;
B.
自理能力重度依赖的患者;
C.
各种复杂或大手术后、严重创伤或大面积烧伤的患者;
D.
病情危重,随时可能发生病情变化需要进行监护、抢救的患者;
E.
各种复杂或者新开展的大手术后的患者;
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