Which of the following words is entirely arbitrar

Which of the following words is entirely arbitrary？A．tree.B．typewriter.C．crash.D．bang.

Which of the following is NOT the change in the meaning of words？A．Specification of meanin

Which of the following words is a functional word？A．OftenB．NiceC．DeskD．Although

Which of the following words is entirely arbitrary？A.bangB.typewriterC.treeD.crash

Which of the following is the study of the meaning of words？A.SemanticsB.PhoneticsC.Synt

Which of the following is not a cultural word？A.W