Shooting ____ movie at high school is ____ experience that I will never forget as long as I live. [      ]

A. the; a        

B. a; /      

C. /; an      

D. a; an

现行部颁定额中，按设计灌浆长度为单位计算的项目为（）。

A.帷幕灌浆

B.固结灌浆

C.高压喷射灌浆

D.回填灌浆

E.接缝灌浆