现金流入与现金流出之差成为()。A.净现金流量 B.现金流入 C.现金流出 D.现金

电功率是表示______________的物理量，电灯的功率是60瓦，表示的意思是____________________； 连续通电1小时，电流做功_____________焦。

在建设项目业主承担最终责任的同时，建设项目各参与方也要依据合同约定承担相应的责任和义务的有（）。

A．满足建设项目最终使用者和相关方，包括法律法规对建设项目质量的要求

B．确认各参与方具有保证其所承担建设项目的质量的能力

C．设立质量管理专职人员或机构，并赋予相应的权力

D．满足建设项目业主、最终使用者和相关方，包括法律法规对建设项目质量的要求

下表是我国不同时期的城市用地年平均增长率与城市人口年平均增长率统计表。据表回答下列各题。

小题1:1985—2011年我国城市人口人均城市用地总体变化趋势为

A．先增后减

B．先减后增

C．不断增加

D．逐渐减少小题2:据表并结合相关知识可以判断，1985年以来我国

A．城市新增用地以商业用地为主

B．乡村人口数量持续增长

C．城市人口增长以自然增长为主

D．农业用地面积有所减少

对药名、剂型、规格、数量属于（）

A.查处方

B.查药品

C.查配伍禁忌

D.查用药合理性

My Space and other Web sites have unleashed a potent new phenomenon of social networking in cyberspace, (1) at the same time, a growing body of evidence is suggesting that traditional social (2) play a surprisingly powerful and under-recognized role in influencing how people behave.

The latest research comes from Dr. Nicholas A. Christakis, at the Harvard Medical School, and Dr. James H. Fowler, at the University of California at San Diego. The (3) reported last summer that obesity appeared to (4) from one person to another (5) social networks, almost like a virus or a fad. In a follow-up to that provocative research, the team has produced (6) findings about another major health (7) : smoking. In a study published last week in the New England Journal of Medicine, the team found that a person’s decision to (8) the habit is ply affected by (9) other people in their social network quit—even people they do not know. And, surprisingly, entire networks of smokers appear to quit virtually (10)

For (11) of their studies, they (12) of detailed records kept between 1971 and 2003 about 5,124 people who participated in the landmark Framingham Heart Study. Because many of the subjects had ties to the Boston suburb of Framingham, Mass. , many of the participants were (13) somehow—through spouses, neighbors, friends, co-workers—enabling the researchers to study a network that (14) 12,067 people.

Taken together, these studies are (15) a growing recognition that many behaviors are (16) by social networks in (17) that have not been fully understood. And (18) may be possible, the researchers say, to harness the power of these networks for many (19) , such as encouraging safe sex, getting more people to exercise or even (20) crime.

16（）

A.swayed

B.deviated

C.bettered

D.deteriorated