组合式干燥机自动排水系统不良的原因（）。
A、空气过滤器排水器阻塞
B、空气过滤器倾斜
C、空气过滤器滤芯阻塞
D、空气处理量过大
参考答案：A, B, C
—Which of the two iPods do you prefer?
—To tell you the truth, I don't like _____ of them．
A．both
B．either
C．none
D．neither
买办
ll you the truth, I don't like _____ of them．