She’s tired of acting, and she _______ changing for a new job, but she hasn’t made up her mind yet. A. had considered B. has been considering C. considered
Despite such a big difference in_____ towards what one eats, there is no doubt that the western regard the Chinese food as something special A. sense B. idea
--How do you like this piece of music by Tan Dun? --Well，of all the music that he has written，I think this is his ____ one． A．better-known B．well-known
的解集为
则a－b的值是（ ）