商品零售价格指数是采用( )调查方法取得的，即在全国选择不同经济区域和分布合理的地
题型：单项选择题
问题：
商品零售价格指数是采用( )调查方法取得的，即在全国选择不同经济区域和分布合理的地区以及有代表性的商品作为样本，对市场价格进行经常性的调查，以样本推断总体。
A．分层抽样
B．随机抽样
C．现场抽样
D．现场访问
题型：单项选择题
小题1:The ad most probably comes from the “_______”part of the newspaper.
A．Education
B．Farming
C．Travel
D．History小题2:Which of the following ways can offer you enough information about the celebration in Plano?
A．Calling 214-599-7733.
B．Visiting5445 Independence Pkwy.
C．Visiting 5445 Beltline Rd.
D．Calling 214-599-7783.小题3:The purpose of the ad is to _____
A．tell readers what Walt Disney is
B．encourage readers to attend a Disney celebration
C．look for helpers for the celebration
D．announce a plan of a Disney celebration小题4:According to the ad, AAA Travel is_____________.
A．the name of an agent
B．a way of traveling
C．a way of celebration
D．a kind of activity held by Disney