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【单选题】
在其他条件相同的情况下 , 下列哪种抽样方法的抽样误差较小 , 样本代表性较好 。 _____。
A.
单纯随机抽样
B.
系统抽样
C.
分层随机抽样
D.
定期性调研
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【单选题】National Parks have more and more visitors each year. In the last ten years the number of campers using the camp sites has more than doubled. Camping as a family vacation has suddenly become extremely...
A.
National Parks provide camp sites.
B.
Camping is a cheap way to travel.
C.
Camping makes city people have a change.
D.
People of all ages enjoy camping.
【单选题】Why do more and more theme parks offer large discounts off the gate price?
A.
To get in line at the parks this summer.
B.
To encourage more people to come to the parks.
C.
To enable people to get e-tickets at home.
D.
To reduce the attendance figure.
【单选题】MCS—51指令系统中,指令ADDC A,@R0 执行前(A)=38H,(R0)=30H,(30H)=F0H,(C)=1 执行后,其结果为 。( )
A.
(A)=28H (C)=1
B.
(A)=29H (C)=1
C.
(A)=68H (C)=0
D.
(A)=29H (C)=0
【单选题】MCS—51指令系统中,指令ADDC A,@R0 执行前(A)=38H,(R0)=30H,(30H)=FOH,(C)=1 执行后,其结果为 。
A.
(A)=28H   (C)=1
B.
(A)=29H   (C)=1
C.
(A)=68H   (C)=0
D.
(A)=29H   (C)=0
【单选题】More and more parks ________in Mentougou in five years.
A.
build
B.
built
C.
will be built
D.
were built
【多选题】A注册会计师判定审计项目组成员B注册会计师针对下列审计程序确定的识别特征中不恰当的包括______。
A.
针对销售发票存根的细节测试顾客编号
B.
针对应收账款的函证程序函证应收账款明细账中余额超过5000元的所有账户
C.
针对采购部门的询问程序被询问询问人的姓名及职位
D.
观察发货环节的内部控制观察次数
【多选题】下列命题中,不属于朱熹主要哲学思想的是
A.
即物穷理。
B.
理一分殊。
C.
心统性情。
D.
居敬穷理。
E.
民胞物与。
F.
知行合一。
【简答题】4 -2018实验 门电路 门控报警电路.ppt 4 -2018实验 门电路 三人表决器.ppt 4 -2018实验 门电路 声光报警.ppt
【单选题】MCS-51指令系统中,指令ADDC A,@R0 执行前( )=38H,(R0)=30H,(30H)=FOH,(C)=1 执行后,其结果为(B)。
A.
(A)=28H (C)=1
B.
(A)=29H (C)=1
C.
(A)=68H (C)=0
D.
(A)=29H (C)=0
【简答题】More and more parks have been built in the city, (make) it much easier for people to relax.
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