请回答轴承温升过高的原因？

_______ could be judged from her eyes that she was terribly sorry for what she _______.

A．As…had done

B．That…did

C．As…did

D．It…had done

Date line passed eastbound,（）.

A.jumping over today

B.backing to yesterday

C.jumping over tomorrow

D.backing to the day before yesterday

60岁以下，无明确心血管系统疾病，过去有劳动或活动习惯者，在有氧运动中较合适的靶心率是（）

A．160—年龄

B．170—年龄

C．180—年龄

D．190—年龄

市政监督体系的构成

水印迹