下列物质中,()会明显地影响钻井液的PH值。
A、地下水
B、石膏
C、烧碱及纯碱
D、砾石
参考答案:C
(2013·洛阳一模)________ in the bank robbery, Tod was arrested by the local police early in the morning.
A.Involving
B.Involved
C.To involve
D.To be involved
(1)提出建议 (2)改进工作(3)接受建议 (4)受到表扬(5)发现问题
A.5-1-3-2-4
B.1-3-2-4-5
C.1-5-4-3-2
D.5-3-2-1-4