My first ________ of him was that he was a kind and thoughtful young man.

A．expression

B．attention

C．satisfaction

D．impression

（）检测车检查发现Ⅳ级偏差处所，或Ⅲ级偏差且车辆动力学指标超限处所，应根据偏差超限值立即采取限速或封锁措施。