长臂架、大排量、智能化是混凝土泵送技术发展的趋势。
参考答案：对
— Can you tell me something about the rules to play this game?
— Sure. If one question ______ correctly, another question ______ to you. [ ]
A. is answered; is answered
B. will be answered; is answered
C. is answered; will be answered
D. answers; will be answered
浮筒液位计在使用中浮筒脱落，则仪表指示（）。
A、最大
B、最小
C、不变
D、不能确定
