Which of the following statements about pump operations is NOT a correct statement?（）
A. In order for a fluid to be pumped, a fluid must be made to flow
B. A substance must be cold in order for it to be pumped
C. The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system
D. A pump must receive its energy from an external source
在平面布置图上表示各构件尺寸和配筋的注写方式有（）。
A. 平面注写方式
B. 列表注写方式
C. 截面注写方式
D. 立面注写方式
党员受到严重警告处分的，（）内不得在党内提升职务。（第九条）
A. 1年
B. 一年半
C. 2年
D. 3年
As long as the vessel is capable of performing the service immediately required，hire will （）.
A. cease to be payable
B. begin to be withdrawn
C. continue to be payable
D. be returned
微信支付 
支付宝支付