纺丝空调可供调节的工艺参数有（）。
A.风的露点温度
B.主风道压力
C.送风温度
D.送风湿度
参考答案：A, B, C, D
That was a terrible night . The rain was pouring down, _________ thunder and lightning.
A．being accompanied by
B．accompanied by
C．accompanying
D．accompanies
