【题目】The car's________ has improved a lot since a new engine has been applied to it．
A．character B．performance
C．appearance D．attraction
在线课程【答案】B
【解析】
试题分析：句意: 自从新的引擎被应用以来，这辆汽车的性能已经大大提高了。A．character 性格；角色；B．performance性能，表现；C．appearance外表；D．attraction吸引，引力。故选B。