单项选择题

The cross section of a straight beam remains plane when the beam deforms due to bending. This causes ( ) on one side of the beam and ( ) on the other side. The neutral axis is subjected to ( ) .

A．shear stress; normal stress; zero stress
B．tensile stress; compressive stress; zero stress
C．normal stress; shear stress; zero stress
D．compressive stress; tensile stress; maximum normal stress

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单项选择题

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判断题

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答案：正确

The cross section of a straight beam remains plane when the beam deforms due to bending. This causes ( ) on one side of the beam and ( ) on the other side. The neutral axis is subjected to ( ) .

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