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问题 多项选择题

初始地籍调查是一项政策性、技术性很强的工作，开展这项工作必须具备的基本条件有______。

A．组织保证

B．技术力量准备

C．管理保证

D．经费保障

E．仪器设备准备

答案

参考答案：A,B,D,E

阅读理解

Last year, some groups of students in their community (社区) made a survey about “How do people spend their free time? ” The following diagrams(图表) show some results of it:

Diagram (1): Hours for people of different ages who surf the Internet in a week.

Diagram (2): Different days people go to the library. (library attendance出席)

Diagram (3): Different programs people like.

小题1:People aged     spend the most time surfing the Internet every week.

A．7—16

B．17—30

C．31—55

D．over 56小题2:How many people go to the library on Saturdays?

A．About 20%.

B．About 40%.

C．Over 60%.

D．More than 80%.小题3:The three diagrams show us the results of a survey about    .

A．what people do every day

B．people’s different habits

C．people’s different lifestyles

D．how people spend their free time
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应用设计题

平面镜前有一个发光点S，S1是S在镜中成的像，当平面镜图示位置基础上转动一个角度后，像的位置为S2，试作出转动后的平面镜位置。
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