根据首字母及课文内容填空（每空1分，满分10分）

Yesterday, another student and I r_____小题1:________ our university’s student a______小题2:______ to meet some international students at the airport. I saw several young people look aroud c________小题3:_______ first. It was Tony from Colombia, closely followed by Julia from Britain. Tony a_________小题4:_____ Julia, touched her shoulder and kissed her on the c___小题5:_________. But Julia put up her hand in d_____小题6:_______. Then another major m______小题7:________ happened between Akira and George. When Darlene Coulon from France came d________小题8:______ through the door, he shook hands with Tony. I learn from the experience that people c______小题9:_______ with both spoken language and unspoken language. People from places like Spain and Italy are more l_____小题10:_______ to touch each other.

加油站加油机过滤器的清洗周期一般为每月至少（）次。

A.1

B.2

C.3

D.4