问题
单项选择题
构成统计总体的个别事物称为()。
A.调查单位
B.总体单位
C.调查对象
D.填报单位
答案
参考答案:B
解析:
统计总体是由客观存在的某些性质上相同的许多个体所组成的整体,组成统计总体的各个个体称为总体单位;调查对象就是根据调查目的、任务确定调查的范围以及所要调查的总体,它是由某些性质上相同的许多调查单位所组成的;填报单位,亦称报告单位,是负责向统计调查机关提交调查资料的单位。
构成统计总体的个别事物称为()。
A.调查单位
B.总体单位
C.调查对象
D.填报单位
参考答案:B
解析:
统计总体是由客观存在的某些性质上相同的许多个体所组成的整体,组成统计总体的各个个体称为总体单位;调查对象就是根据调查目的、任务确定调查的范围以及所要调查的总体,它是由某些性质上相同的许多调查单位所组成的;填报单位,亦称报告单位,是负责向统计调查机关提交调查资料的单位。
Our Future Homes What kinds of homes will we live the future? Nobody can be sure, architects, and scientists are new ideas now. Some architects are thinking about whole cities under huge glass domes. Of course, complicated heating and systems will be necessary to control the climate in the domes. , there will never be any rain snow, and the temperature will be always . Perhaps everyone will live in vertical(立体的) . High rises are so large that they can contain all the necessities of life. Since vertical cities will use land than horizontal cities, and provide homes for more people, they will be for small countries that have populations. Another idea that will be helpful to countries (and island countries) is the city. Monaco has already built homes, stores, and offices the water of the Mediterranean Sea. And a Japanese has made a plan for constructing buildings on bridges over Tokyo Bay. There are some people who think we will go back to living in . But the caves of the future will be quite the caves of the Stone Age. Computers will control light and climate. Farms and parks will be on the land the cave city. When people want to go to the country or to a park, a short ride in will take them there.
|