当发动机某一气缸因气门间隙过大而导致气门敲击声，拔下该缸高压分火线，敲击声会消失。
参考答案：错
儿童个体的发展包括生理发展和______两个方面。
(2013·济南4月巩固性训练)The old couple，________in the small village for years，can tell the names of all the villagers.
A．living
B．lived
C．having lived
D．to have lived
