上部虹吸卸油是将鹤管端部的橡胶软管或鹤管，从油罐车上部的（）插入车内，然后用虹吸卸车。
A、安全阀
B、排油阀
C、下卸阀
D、罐车盖
参考答案：D
32. I suggested that they set off early to avoid (避开) the traffic jam, ____________ no one responded.
A．on which
B．to which
C．about which
D．for which
金融机构活期存款按（）累计积数结息。
A.季度
B.月
C.周
D.旬
