题目内容

木材天然耐久性的差异决定于木材的什么成分?

A. 木材抽提物
B. 纤维素
C. 半纤维素
D. 木质素

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树枝枯死后埋在树干中,与周围树干组织没有有机联系的是

A. 死节
B. 活节
C. 隐生节

斜纹对哪种木材强度的影响最大?

A. 顺纹抗拉
B. 顺纹抗压强度
C. 顺纹抗剪强度
D. 抗弯强度

What figure of speech is used in the following sentence?To lose one parent may be regarded as a misfortune; to lose both looks like carelessness.

A. Pun
B. Hyperbole
C. Metaphor
D. Oxymoron

( ) means emitting a deep or ringing sound; full and loud.

A. Serene
B. Visionary
C. Vulgar
D. Sonorous

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