文化是人们追求美好幸福生活的重要内容。随着网络和数字技术的发展，网络电视、手机报、电子书等新媒体日益深入人们的生活，催生了数字出版等新的文化产业。这说明，技术是（）
①文化创新的不确定因素
②促进文化发展的重要因素
③文化多样性产生的根源
④推动大众传媒发展的基础
| The blues was born on the Mississippi
River Delta in the early 1900s. After the Civil War, the slaves were free but
life was still not easy. They had to find new work. In the South, work camps
were formed. Black people from these camps worked on farms and on building up
the Mississippi River banks. During the week the people worked long and hard.
They often lived alone, without their families, far from home. On the weekends,
the workers got together at picnics or drinking places. Traveling black
musicians with guitars entertained them. The musicians sang songs about the
difficult life of the Workers. These songs were called the blues. If you have the blues it means you feel very sad. But blues songs were not always sad. Some of them were happy and many of them were funny. Early blues singers often had very interesting names A. the birth of American country music B. the birth of jazz music C. the birth of American popular music D. the birth of the blues [单项选择]反流性食管炎最主要的发病机制是（）
A. 食管下段括约肌张力增高 B. 食管下段括约肌张力低下 C. 食管对反流物清除功能削弱 D. 胃酸、胃蛋白酶所致的食管黏膜损伤 E. 碱性反流物所致的食管黏膜损伤 [单选题]自动闭塞区段,出站色灯信号机显示( )灯光,准许列车由车站出发,开往半自动闭塞或自动站间闭塞区间。
A.两个绿色 B.一个绿色 C.一个黄色 [单选题]信念具有( ),一经形成,就会促使人们精神集中和行为坚定。
A.执着性 B.联系性 C.客观性 D.多样性 [判断题]季节性排查是指根据各季节特点开展的专项检查，主要包括：春季以防雷、防洪、防冻为重点；
A.正确 B.错误 [单项选择]在进行项目整体变更控制中，首先要受理变更申请，接下来（）
A. 接受或拒绝变更 B. 执行变更 C. 进行变更结果追踪与审核 D. 进行变更的整体影响分析 [单项选择]目前我国医学伦理学主要的研究方向是
A. 公民道德问题 B. 临床医学问题 C. 公共道德的学说和体系 D. 生命科学的发展 E. 医学实践中的道德问题 [多选题]火情侦察的方法( )。
A.外部侦察 B.内部侦察 C.询问知情人 D.仪器检测 E.人工手段辅助侦察 [单选题]光接收机的灵敏度是与()的概念联系在一起的。
A.接收机的动态范围 B.抖动 C.误码率 D.接收机引入的噪声 [单选题]在选择化工过程是否采用连续操作时,下述几个理由不正确的是
A.操作稳定安全 B.一般年产量大于4500吨的产品 C.反应速度极慢的化学反应过程 D.工艺成熟 [单项选择]“人民性”这一概念最初由（）提出。
A. 维亚捷姆斯基 B. 杜勃罗留波夫 C. 马克思 D. 毛泽东 [单项选择]"This job is killing me!" That statement may seem to be an exaggeration, but in looking closely at the work environment, it has become apparent there is a serious problem affecting the productivity of organizations. This problem has been coined "professional suicide", by a company which was among the first to become aware of the problem.
Professional suicide, a widespread but rarely studied phenomenon is costing companies not only dollars and cents, but the talents and skills of many bright and creative key employees. The syndrome (症状) affects the talented hard-driving employees with strong accomplishment needs. Those who are most likely to be affected are good employees who constantly operate in a crisis situation because of management’s lack of planning or leadership. These initially highly-motivated employees begin the suicidal process within three to five years after developing a solid record within the organization. The despair of not achieving what they want in what A. Shortly after they take a job beneath their capabilities. B. Shortly after they fail to keep up with new on-the-job developments. C. Within three to five years after achieving what they want in their companies. D. Within three to five years after developing a solid record in their organizations. 我来回答: 提交
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