试题与答案

抽样方法有( ) A.随机抽样、系统抽样和分层抽样 B.随机数法、抽签法和分层抽

题型:选择题

题目:

抽样方法有(  )

A.随机抽样、系统抽样和分层抽样

B.随机数法、抽签法和分层抽样法

C.简单随机抽样、分层抽样和系统抽样

D.系统抽样、分层抽样和随机数法

答案:

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题型:阅读理解

阅读理解。

                        

1.If Joe wanted to buy the cheapest ticket for Peak Day, he could book (预定)one during            . [ ]

A.Pre-sale Ⅰ

B.Pre-sale Ⅱ

C.Pre-sale Ⅲ

D.Expo Session

2.On March 1, 2010, Sue bought two Standard Day tickets for her parents. She paid             for them.[ ]

A.¥380

B.¥300

C.¥260

D.¥180

3.It cost Thomas ¥160 to get a ticket for Standard Day. He probably bought it on            .[ ]

A.April 23, 2009

B.August l, 2009

C.February 2, 2010

D.May 20, 2010

4.Kathy spent 900 yuan on a ticket for Shanghai Expo. Her visit can last             days.[ ]

A.one

B.three

C.seven

D.ten

5.Visitors to Shanghai Expo could buy             tickets only after May 1, 2010.[ ]

A.morniing

B.afternoon

C.evening

D.midnight

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