循环经济发展的战略意义在于（）A.有利于推进我国可持续发展战略的实施  B.有利于推

客户投诉处理体系包括：受理确认、投诉调查、确定责任部门、实施处理方案和（）

A.追究责任部门责任

B.赔偿的财务处理

C.反馈客户对处理的满意度

D.总结评价

某患者右下阻生智牙反复肿痛1年余。1周来右面下部出现肿胀伴开口受限，X线片示近中阻生，下颌升支弥漫性密度增高，其中可见局限性骨质破坏灶。升支外侧皮质无明显破坏，但密质骨外侧有骨质增生。可能的诊断为（）。

A.牙源性中央性颌骨骨髓炎

B.牙源性边缘性颌骨骨髓炎

C.骨纤维异常增殖症

D.颌骨结核

E.成骨肉瘤

Chien, Linh and Trang formed a new limited liability company in January 2011. They decided that the company would specialise in selling high quality food products. Before the company was formed, Chien, Linh and Trang decided to enter into several transactions so that the company could commence trading as soon as the legal formalities relating to formation had been finalised.Chien was responsible for sourcing and selling seafood. In October 2010 he ordered 500 boxes of crab meat with the intention of selling it to the customers of the new company. He wrote to 50 prospective customers of the new company informing them that a maximum of three boxes of crab meat would be available for purchase by each customer at a price of 20 million dong per box. The remainder would be advertised for general sale.Linh was responsible for sourcing and selling herbs. She secured an agreement with a supplier of saffron, an expensive herb, and has already been told informally by five of her restaurant contacts that they would be prepared to pay 30 million dong per box for this product. She sent a box of saffron to each customer with an invoice for 30 million dong in November 2010.Trang agreed to take responsibility for sales of luxury chocolates. He had little knowledge of the products, but in December 2010 entered into an agreement with a Vietnamese trader to purchase 1,000 kilos of chocolates specially imported from Switzerland.Required:

(b) Having ordered the chocolates, Trang discovered that they were an inferior brand and informed the supplier that he would only pay 60% of the agreed price.Explain the potential consequences of this decision. (3 marks)

计算题：某20号碳钢的强度极限σb=411.6N／mm²，屈服极限σs=245N／mm²，求以强度极限和以屈服极限为基础的安全系数？

深圳市学前教育发展行动计划关于保障教职工待遇中提出（）。

A.建立幼儿园保教人员长期从教津贴制度。

B.探索建立幼儿园教职工绩效评价机制。

C.各幼儿园应当依法为教职工购买社会保险并缴纳住房公积金。

D.将教职工待遇落实情况纳入幼儿园年度检查范围。