Even if he has been a teacher for 20 years, Peter has a good and serious attitude towards his work, for which he gains a lot of ________.
A.competence B.motivation C.expectation D.recognition
Share prices on the stock exchange fell sharply in the morning but ________ slightly in the afternoon.
A.reformed B.recovered C.responded D.remained
He accidentally ________ he had quarreled with his wife and he hadn’t returned home for several weeks.
A.put forward B.made out C.came up D.let out
—How is the result, doctor?
—Well, your health is ________ good, but you do have a few minor problems.
A.normally B.frequently C.generally D.regularly
—So you didn’t say hello to him last night?
—Well, I stopped and smiled when I saw him, but he ________ me and walked on with his head very high.
A.ignored B.refused C.recognized D.missed
White noise consists of________ collections of sounds at different frequencies，such as the dull noise of aircraft engines.
A.swift B.fierce C.random D.generous
