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问题 单项选择题

某工程施工招标时，招标人在投标有效期满后向某投标人发出了中标通知，关于该中标通知说法正确的是( )。

A．该投标人未及时通知招标人，应为新要约

B．该中标通知到达该投标人后，为有效的承诺

C．该投标人未及时通知招标人的，该中标通知为有效的承诺

D．该中标通知为要约邀请

答案

参考答案：A

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书法考查（5分）

My hometown is very beautiful. It’s a quiet village. It is not far from the city center. It takes only 40 minutes by bus.There is a lake in front of my hometown. We often row boats on the lake. You can see lots of two-floor buildings. There are many red flowers and green trees around my hometown, so the air is very fresh. People in my hometown are very friendly. They know each other well. Some families raise cows and others grow wheat. We enjoy our life here. I think it is a wonderful place to live. I hope you can come and visit soon.

                                                                                            

                                                                                           

                                                                                           

                                                                                            

                                                                                             

                                                                                             

                                                                                           

                                                                                             

 

                                                                                            

                                                                                            

                                                                                           

                                                                                           

 

                                                                                            

                                                                                           
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单项选择题 案例分析题

某洞室顶部有不稳定块体重80kN，采用永久锚杆喷射混凝土支护，γ0=1．0，fy=210MPa，混凝土的抗拉承载力为1.3MPa，不稳定块体周长为6.0m，按《建筑边坡工程技术规范》（GB50330-2002）计算：

喷层厚度不宜小于（）。

A.0.2mm

B.50mm

C.100mm

D.150mm
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