根据汉语提示写出单词。（5分）

小题1:Dad, could you bring me some drinks and ________(小吃、小食品)?

小题2:There are ________(五十) teachers in our school.

小题3:How did you get your ___________ (兼职的) job?

小题4:I need to _________(完成) my homework first before going out.

小题5:Don’t ___________ (担心). I can help you with your chemistry.                                         

质量控制是为了达到质量要求所采取的（）和活动。

A.操作技术

B.试验技术

C.检测技术

D.作业技术