具有受纳和腐熟水谷功能的是（）
A.胆
B.胃
C.大肠
D.小肠
E.膀胱
参考答案：B
The city of Qingdao has been working on building itself up as a city of sails ________ it successfully hosted the 2008 Olympics’ sailing program.
A．after
B．since
C．when
D．until
某建设项目的净现金流量如下表所示，则该项目的静态投资回收期为（）年。（单位：万元）
A．3.33
B．4.25
C．4.33
D．4.75
