简述法的社会作用。

下列对虚拟建设的描述正确的是( )。

A．通过电子技术进行沟通

B．设计和施工相结合

C．设计方、施工方、监理方有机的结合

D．业主方、工程项目管理方、设计方、供货方横向联系的管理技巧

Mr Ding and his friends intended to establish a joint stock company in international trade business and drafted a business proposal for further discussions with potential investors. Among other things the proposal contained the following items:(a) The proposed joint stock company would be invested by nine sponsors, four sponsors from China and five sponsors from other Asian countries. Such arrangements would be of benefit to expand the Asian market. (3 marks)(b) The registered capital of the company would be RMB 100 million yuan, among which RMB 30 million yuan would be subscribed by nine sponsors and the remaining RMB 70 million yuan would be subscribed through an initial public offering (IPO). (4 marks)(c) All capital contributions by sponsors must be made in the form of currency, as the joint stock company is to be incorporated through IPO. (3 marks)Required:Explain whether the above items (a), (b) and (c) are in conformity with the relevant provisions of the Company Law.Note: The mark allocation is shown against each item. (10 marks)

某混合结构住宅楼已经竣工，其工程质量验收合格应符合下列（）规定。

A．单位(子单位)工程所含分部(子分部)工程的质量均应验收合格

B．质量控制资料应完整

C．单位(子单位)工程所含分部工程有关安全和功能的检测资料应完整

D．主要功能项目的抽查结果基本符合相关专业质量验收规范的规定

E．观感质量验收应达到好的标准

水泥砂浆面层的施工中，水泥砂浆面层体积比应为1：2，强度等级不小于（）。

A.M10

B.M15

C.M12.5

D.M7.5