听力音频：
https://mp.weixin.qq.com/s/JRRVo3AVr7__0K0FHgIDLg?poc_token=HPdz4GmjYhZaC0gSZqTISy7Y9WCVXuNeBC3jQGzT
How to Choose Floor Materials
Write no more than two words for each answer
Source
31 There are some man-made materials like______
32 Before using, material undergoes______
33 Wood should be cut and______
34 Stone should be cut and______
Selection
35 Aside from environmental factors, one should take______into account during construction.
36 Some properties of materials affect mood, such as______ texture and color.
37 Use a mathematical formula to choose the type of wood, because ______are subjective,which are ambiguous in verbal description.
Complete the table below
Write NO MORE THAN TWO WORDS AND/OR A NUMBER for each answer.
| MATERIAL | REFLECTANCE RATE |
| Polished silver | Almost 1.0 |
| Plastic painted white | Approximately 38______ |
| Quarry tiles | Approximately 39______ |
| 40______ | Almost 0.0 |
答案
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