常见的工作分析原因有（） A.新企业成立 B.新岗位产生 C.原有人员离职 D.工作

2010年2月12日，在丹麦首都哥本哈根举行的2010年中围“欢乐春节”歌舞晚会上，甘肃省歌舞剧院的艺术家们表演的舞蹈《欢庆》、二胡独奏《葡萄熟了》、杂技《顶技》、魔术《魔幻世界》、武术《功夫》、女声独唱《百花迎春》等节目异彩纷呈，高潮迭起。舞蹈《年年有余》别出心裁，演员造型取材于丹麦著名作家安徒生童话《美人鱼》中的形象，舞蹈则是中国民族风格，真正体现了东西方文化的交融，赢得了台下的阵阵掌声。

阅读上述材料回答下列问题：

（1）舞蹈《年年有余》体现了中国元素和丹麦童话的交融，赢得了观众的阵阵掌声。这对我们发展民族文化有何启示？

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（2）看完此报道某同学说：“中华文化不愧为世界上最优秀的文化，我们应大力宣传和弘扬我们的民族文化。让中华文化取代世界其他文化。”你同意此同学的看法吗？说出你的理由。

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智能设备模板发布和归档在（）系统。

A.notes平台工程管理平台系统

B.notes平台版本下发系统

C.support系统

D.notes平台的协议开发数据库

Throughout history has (1) changed his physical environment in order to improve his (2) of life. With the tools of technology he has (3) many physical features of the earth. He has (4) woodlands and prairies into farms and made lakes and reservoirs (5) of rivers for irrigation purposes or hydroelectric (6) . Man has also modified the face of the earth by (7) marshes and cutting through mountains to (8) roads and railways.
However, man’s (9) to the physical environment have not always had beneficial results. Today, (10) of the air and water is an increasing danger to the health of the (11) . Each day thousands of tons of gases come out of the exhausts of motor vehicles. (12) from factories pollutes the air of industrialized areas and the surrounding (13) of the countryside. The pollution of water is equally harmful. The whole ecological (14) of the sea is being changed and (15) wastes have already made many rivers lifeless.
Now (16) protection is more pressing than ever before. As we know, massive destruction of the environment has brought about (17) effects and even poses a great (18) to man’s existence. Indifference to these problems will mean committing suicide. Therefore, effective (19) should be taken and laws passed to (20) the environment. Otherwise, man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.

企业某年营业收入2000万元，营业成本1200万元，营业税金及附加150万元，三项期间费用合计250万元，资产减值损失100万元，公允价值变动净收益200万元，投资收益400万元，营业外收入180万元，营业外支出230万元，所得税费用300万元。该企业的营业利润为（）。

A.400万元

B.550万元

C.850万元

D.900万元