词汇：根据句意和汉语提示，在空格中填入正确的单词（每空限填一词）。（每

小题1分，计7分）

小题1:Don’t worry. I have made much  __________ (进步) in learning English.

小题2:This is a good shop. It brings us  ___________(极好的) service.

小题3:As we know,  __________ (无一人) of us likes pollution.

小题4:Our living conditions have              (改善) a lot.

小题5:They have been volunteers            （自从）2009.

小题6:If you            （不服从）the traffic rules, you may have an accident.

小题7:           （虽然）he tried his best, he failed at last.

扰流板关断活门控制通往何处作动筒的液压（）

A.所有扰流板

B.飞行扰流板

C.地面扰流板

D.内侧地面扰流板