高温下摆式仪测沥青面层摩擦系数和低温下测得的值一样,不需进行温度修正。()
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路面雷达测试系统是一种接触性、破坏性路面厚度测试技术。()
A. 正确
B. 错误
沥青混合料马歇尔稳定度试验,标准马歇尔试件应在60℃±1℃的恒温水中恒温30~40min。()
A. 正确
B. 错误
Question 2
A prohibitory injunction orders the defendant to do something positive.
A. 正确
B. 错误
What does Louis Uchitelle mean by "the disposable American"(Para. 5)?
A. Those who see job stability as part of their living standard.
B. People full of Utopian ideas resulting from affluence.
C. People who have little say in American politics.
D. Workers who no longer have secure jobs.