电力企业作业计划一般按年、月、旬、日安排。

（8分）阅读下面材料，回答问题：

当代史学家对君主专制中央集权下君主治国的基本规律作了如下总结：皇帝从资历较浅，地位不高的心腹近侍或仆从中选拔一些人来承担政务，逐渐演变为正式的辅政机构。当这些辅政机构和官员的权力较重时，皇帝又从更为亲宠的近侍或仆从中另选出一些人承担政务，有意架空原有的辅政机构和官方，剥夺其实权，仅保留虚衔或使之变为荣誉职称。然后又进行下一轮的循环，……从秦到清呈现出四次循环的过程。每一次循环的结果，都使得中枢机构原权力更分散，皇帝的权力更加强。

请回答：结合西汉至清的史实说明“四次循环的过程”。

采用“先进先出法”计算发出存货成本，期初库存A产品数量为100件，单价为200元；本月购入A产品200件，单价210元；本月领用A产品l50件，其领用总成本为（）元。

A.30000

B.30500

C.31500

D.31000

Clean Ltd was established some five years ago to manufacture industrial solvents and cleaning solutions, and Des was appointed managing director.The company’s main contract was with Dank plc a large industrial conglomerate.In the course of its research activity, Clean Ltd’s scientists developed a new super glue. Des was very keen to pursue the manufacture of the glue but the board of directors overruled him and decided that the company should stick to its core business.The managing director of Dank plc is a friend of Des’s and has told him that Dank plc will not be renewing its contract with Clean Ltd as he is not happy with its performance. He also told Des that he would be happy to continue to deal with him, if only he was not linked to Clean Ltd.Following that discussion Des resigned from his position as managing director of Clean Ltd and set up his own company, Flush Ltd which later entered into a contract with Dank plc to replace Clean Ltd. Flush Ltd also manufactures the new glue discovered by Clean Ltd’s scientists, which has proved to be very profitable.Required:In the context of company law, advise the board of Clean Ltd as to whether they can take any action against Des or Flush Ltd. (10 marks)

胫骨干骨折中1／3粉碎骨折易引起（）

A.骨的缺血坏死

B.血管损伤

C.神经损伤

D.骨延迟愈合

E.骨筋膜间隔综合征

If there were life on Mars, such life forms（）unable to survive on earth

A.is

B.are

C.would be

D.will be