How to choose flooring materials

文章大意

这篇雅思听力Part4讲座讨论如何选择地板材料。讲者比较了塑料、木材和石材：塑料便宜但易刮花褪色开裂，最终建议在木材和石材之间选择。木材需风干处理，否则会变形；石材除板岩、砂岩外多需抛光。选择时还要考虑美观、个人品味、房屋类型和成本，软木和常见木材更便宜。

题目与答案

1. How to Choose Flooring Materials

   Source

   · There are some man-made materials like 31_____

   答案：plastic

   原文定位：Some artificial materials can be used, like plastic for instance

2. · Before being used, material undergoes 32_____

   答案：processing

   原文定位：Stone and wood are alike in at least one respect. Both go through processing before they can be put to use

3. · Wood should be cut and 33_____

   答案：seasoned

   原文定位：Still, do-it-yourselfers would do well to remember to buy only properly seasoned wood

4. · Stone should be cut and 34_____

   答案：polished

   原文定位：Likewise, except for dull hued materials like slate or sandstone, most stone floors are polished before installation

5. Selection

   · Aside from environmental factors, one should take 35_____ into account during construction

   答案：cost

   原文定位：Oh, and certainly don't forget the cost. When it comes to cost, a rule of thumb is that the softer and less exotic the wood, the lower the cost

6. · Some properties of materials affect mood, such as 36_____ , texture, and colour.

   答案：grain patterns

   原文定位：When selecting the best wood to use, particular attention needs to be paid to its grain patterns, texture, and color

7. · Use a mathematical formula to choose the type of wood, because 37_____ are subjective, which are ambiguous in verbal description.

   答案：feelings

   原文定位：Since feelings vary from person to person, verbal descriptions of wood types tend to be ambiguous

8. | Material | Reflectance rate |

   | --- | --- |

   | • Polished silver | Almost 1.0 |

   | • White-painted plastic | Approximately 38_____ |

   | • Quarry tile | Approximately 39..... |

   | 40..... | Almost 0.0 |

   答案：0.8

   原文定位：Moving down the scale a bit, we see the plastic that has been painted white has a rate of 0.8, which makes sense

9. | Material | Reflectance rate |

   | --- | --- |

   | • Polished silver | Almost 1.0 |

   | • White-painted plastic | Approximately 38..... |

   | • Quarry tile | Approximately 39_____ |

   | 40..... | Almost 0.0 |

   答案：0.1

   原文定位：The quarry tile I mentioned a while ago has a rate of 1.0. As you may know, quarry tile is generally dark brown and made from clay, so it is quite dense

10. | Material | Reflectance rate |

    | --- | --- |

    | • Polished silver | Almost 1.0 |

    | • White-painted plastic | Approximately 38..... |

    | • Quarry tile | Approximately 39..... |

    | 40_____ | Almost 0.0 |

    答案：black velvet

    原文定位：One material with a rate of almost zero point zero is black velvet