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《》是鲁迅创作的一部寓言小说，也是一部不像小说的小说。

问答题答案：《故事新编》

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Fatigue limits of a typical ferrous alloy is about____ tensile strength.

A、Hlf

B、1/3

C、1/4

D、1/5

Which statements about creep forming is correct？（)

A、workpiece is loded ginst die or tool for specific time

B、The load is normally applied using pressure or vacuum at temp around 600°C

C、The proess results in predetermined shapes that required little or no mahining

D、No

Hard materials have good resistance to _ and _.

A、Wer

B、Impact

C、Abrasion

D、Torsion

The tensile strength of steel（MPa) is about 3.4 times of that of Brinell hardness.（)

本题为判断题 ( 对、错 )。

The efficiency of a material in absorbing heat is described by heat capacity.（)

本题为判断题 ( 对、错 )。

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