由同一专业的单位组成的联合体，按照( )的单位确定资质等级。
A．资质等级较低
B．资质等级较高
C．由招标单位确定
D．资质等级为中级
参考答案：A
October 15th was one of ______ days in 2003. Shenzhou-V was sent up successfully. [ ]
A. exciting
B. more exciting
C. the most exciting
D. much exciting
接待客人时要从心理上尊重，善待宾客，且应热情（）。
