问题
选择题
Mr. Smith was ____ to break his habit of smoking after the medical examination last month.
A．devoted
B．concerned
C．used
D．determined
答案
答案：D
词义辨析。devote to doing sth.献身于，致力于；concerned忧虑的，担心的；be used to do sth.被用于做某事；be determined to do sth.下决心做某事。句意：史密斯先生在上个月的医疗检查之后下决心改掉吸烟的习惯。选D.