根据《消防法》，我国消防组织的形式主要包括（）等。
A.公安消防队
B.专职消防队
C.雇佣消防队
D.志愿消防队
参考答案：A, C, D
Thank you, Jack Without your constant support I _____ those hard times. [ ]
A. couldn't have pulled through
B. couldn't pull through
C. can't have pulled through
D. can't pull through
变压器储油柜的主要作用是（）。
A、增大油面与空气的接触面
B、保证油箱内总是充满油
C、减小油面与空气的接触面
D、调节油量
