题目内容

4.The species of timber most commonly used for construction are fir, pine, spruce and redwood.

A. 在建材，使用的普遍的木材有杉木、松树、云杉和红木。
B. 普通的建材，使用的木材有杉木、松树、云杉和红木。
C. 普通使用在建筑汇总的木材品种有杉木、松树、云杉和红木。

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1. (5.0 points )The contractors usually decide what types of materials to use for the building.

A. 对
B. 错

2. ( 5.0 points )The cost of the natural stone used in buildings is comparatively cheaper than brick and concrete.

A. 对
B. 错

3. (5.0 points )Masonry includes both natural materials and manufactured products.

A. 对
B. 错

4. (5.0 points )Woods such as fir, pine and redwood are mainly used for interior decoration, such as floors.

A. 对
B. 错