单项选择题

判断以下说法是否正确
通货膨胀率是价格一般水平上升的速率。通货膨胀率 = 价格指数 - 1

A．true
B．false

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单项选择题

Provided the material is ( ) and ( ), due to the pure bending deformation, the stress varies in a ( ) fashion on the cross section.

A．nonhomogeneous; linear elastic; nonlinear
B．homogeneous; linear elastic; nonlinear
C．homogeneous; linear elastic; linear
D．nonhomogeneous; linear elastic; linear

单项选择题

熨烫就是利用纺织品在高温加压条件下受外力作用具有一定的稳定性这一特性，对织物或服装进行定型处理的过程。

A.正确
B.错误