抽油杆、油管可以作为(),充当处理死油盖子的一种工具。
A、加重杆
B、捞油泵
C、井下衬管
D、扶正杆
参考答案:A
1. Our Party has always devoted great attention to raising the living _____ of the working people.
A. cost B. situation C. level D. standard
2. It was _____ by the railway board that the cost of rail fares would be increased by ten percent.
A. noticed B. stated C. suggested D. noted
货币市场包括()①同业拆借市场②商业票据市场③大额可转让存单市场④中长期货币借贷市场
A.①②③
B.②③④
C.①②③④
D.②③