根据《建筑安装工程费用项目组成》(建标[2003]206号)文件的规定，已知某材料供应价格为50000元，运杂费5000元，采购保管费率1.5%，运输损耗率2%，则该材料的基价为( )万元。

A．5.085

B．5.177

C．5.618

D．5.694

根据下面一段对话内容，从下面选项中选出能填入空白处的最佳选项，其中两项为多余选项。 A: Oh, hi, Tess! I’m sorry. I’m thinking about something. B. （16）A. I am. I have a chance to go onatour. B. A tour What kind of tour A: A music tour. （17）B: Wow! That’ s great. They are pretty famous. A: （18）B: So you’re going to do it A: I don’t know. （19）B: It sure would! Where will the tour go A: （20）B: How long is the tour A: Four months. B: OK, wish you a happy travel! A: Thank you!

该处选项为（）。

A．This tour is the chance of lifetime．

B．It goes all over North America and South America．

C．It looks like you’re dreaming about something．

D．You’ll have to quit school and your job at the store．

E．My agent wants me to go on a tour with Art’s Jazz Band．

F．Have you told anyone about this yet

G．It would be a great opportunity!