对难溶气体，如欲提高其吸收速率，较有效的手段是（）。A、增大液相流速 B、增大气相流

It is required that all traffic participants should _____ the traffic rules to make traffic safer and faster.[ ]

A. perform

B. observe

C. support

D. possess

An ideal leader should be a good listener.

清心开窍和豁痰开窍常配合何法使用？

相对权