某施工企业投标一城市基础设施项目,该企业报价为5000万元,则其应交的投标保证金最高数额为( )万元。
A.50
B.80
C.100
D.150
参考答案:B
______ to somebody , a British person often shakes hands with the stranger .
A.Introducing
B.To introduce
C.To be introduced
D.On being introduced
保护旅游资源意义何在?