单项选择题
In the famous British Army Commander story,which step probably did NOT go wrong in the communication chain?()
A.Conceiving.B.Sending.C.Receiving.
单项选择题 Confirming reception of the sent messages means()
单项选择题 The city has a population of over 30 million,most of them()in the countryside.
判断题 An inadequate knowledge of grammar would severely constrain one’s capacity for effective communication.()