在Excel 中,(49)函数用来计算某个区域中空单元格的数量。A.COUNT B.

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问题:

在Excel 中,(49)函数用来计算某个区域中空单元格的数量。

A.COUNT

B.COUNTA

C.COUNTBLANK

D.COUNTIF

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地理信息系统的质量元素包括( )。

A.资料质量、运行环境

B.数据质量

C.逻辑一致性

D.数据格式的正确性

E.系统结构与功能、系统管理与维护

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工程项目设计质量管理中的设计策划要形成文件,文件通常以项目()的形式编制。

A.设计方案

B.设计计划

C.设计文件

D.设计流程

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There is virtually no limit to how one can serve community interests, from spending a few hours a week with some charitable organization to practically full-time work for a social agency. Just as there are opportunities for voluntary service (1) (VSO) for young people before they take up full-time employment, (2) there are opportunities for overseas service for (3) technicians in developing countries. Some people, (4) those who retire early, (5) their technical and business skills in countries (6) there is a special need.

So in considering voluntary or (7) community service, there are more opportunities than there (8) were when one first began work. Most voluntary organizations have only a small full-time

(9) and depend very much on volunteers and part-timers. This means that working relationships are different from those in commercial organizations, and values may be different. (10) some ways they may seem more casual and less efficient, but one should not (11) them by commercial criteria. The people who work with them do so for different reasons and with different (12) , both personal and (13) . One should not join them (14) to arm them with professional experience; they must be joined with commitment to the (15) , not business efficiency. Because salaries are (16) or non-existent many voluntary bodies offer modest expense. But many retired people take part in community service for (17) , simply because they enjoy the work.

Many community activities possible (18) retirement were also possible during one’s working life but they are to be undertaken (19) seriously for that. Retired people who are just looking for something different or unusual to do should not consider (20) community service.

3()

A.quantity

B.qualifying

C.quality

D.qualified

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在机械制图中全剖视图的方法有()。

A.移出剖面

B.斜剖

C.旋转剖

D.阶梯剖

E.复合剖

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油脂性软膏基质的水值是指()

A.1g基质所吸收水的克数

B.常温下100g基质所吸收水的克数

C.一定量的基质所吸收水的克数

D.100g基质所吸收水的克数

E.常温下1g基质所吸收水的克数

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