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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter
【单选题】一些罐车投入营运后，由于各种原因使罐体变形、紧固件松动、罐体检位等都会影响罐体实际容积与容积表的一致性，继续使用原容积表，就会造成较大的误差，此类误差（σ2）为约±（）左右.
A.
0.15%
B.
0.10%
C.
0.25%
D.
0.015%