173Listening involves more than hearing sounds. The good listener A.Repeats some of the th

'Consonants all involve the vibration of the vocal folds.()

A.involved in

B. involve in

C. involved to

D. involve to

A.解决

B.包含

C.发明

A.包括

B.旋转

C.投资

Commodity inspections usually involve quality, weight , quantity and packing of the commodities. ( )

Electronic brains can reduce the profusion of dead ends______(involve)in vital research.