( )是指为建设项目提供和验证设计参数、数据、资料等所进行的必要的试验费用以及设计规定在施工中必须进行试验、验证所需费用。

A．建设单位管理费

B．勘察设计费

C．施工单位的检验试验费

D．研究试验费

President Nicolas Sarkozy of France has been taking intensive English lessons in order to _____ his guests during his state visit to the UK.

A．appeal

B．grasp

C．hold

D．impress