以注水井为中心的、平面上可划分为一个相对独立的注采单元的一组油水井叫（）。
A.注采井组
B.采油井组
C.行政班组
D.注水班组
参考答案：A
_______ she could not persuade me to accept her idea that money means everything.
A．Try as she might
B．Might she as try
C．As she might try
D．She might as try
金焊的熔化温度为
A．950～1150℃
B．550～650℃
C．450～550℃
D．650～750℃
E．750～870℃
