题目内容

His mother died in the accident, too. But we did not tell him the news as we were afraid that would______ his confidence in full recovery.

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3m直尺法检测平整度时,除特殊要求外,检测位置位于()。

A. 行车道中心线
B. 行车道边缘
C. 行车道轮迹带
D. 行车道任意位置

3m直尺法检测土方路基平整度时,检测频率为每200m检测()。

A. 2处×5尺
B. 2处×10尺
C. 1处×5尺
D. 1处×10尺

3m直尺法检测土方路基平整度试验中,采用塞尺检测时,读数精确至()。

A. 0.5mm
B. 0.4mm
C. 0.2mm
D. 0.1mm

连续式平整度仪法检测平整度时,表示路面平整度的指标为(),以mm计。

A. 标准差σ
B. 最大间隙h
C. 国际平整度指数IRI
D. 颠簸累积值VBI