第 1 題
1 分Which factor is a social and ethical consideration when selecting specific materials for a new clothing line?
Cambridge OCR GCSE (9-1) · Design and Technology - J310
材料與元件的特性及選用：練習題
5 條多項選擇題即時批改，另有 2 條文字題附完整解題步驟，全部圍繞「材料與元件的特性及選用」。
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第 2 題
1 分Why is the strength to weight ratio a critical factor when selecting materials for the frame of a high-performance racing bicycle?
第 3 題
1 分A manufacturer is considering the commercial viability of a product. If the cost of a specific material increases by 15%, and the material represents 40% of the total production cost, what is the impact on the overall cost?
第 4 題
1 分A designer is choosing a material for a park bench that must withstand outdoor weather conditions for many years without degrading. Which property is most important?
第 5 題
1 分How does the availability and cost of stock forms influence the selection of materials during the design process?
第 6 題
2 分When selecting materials, why is it important for a designer to consider stock forms in relation to the availability and cost of components?
先自己寫一次答案，再對照解題步驟。
第 7 題
4 分Explain how aesthetic attributes and social, cultural, and ethical considerations influence the selection of specific materials for a new product.
先自己寫一次答案，再對照解題步驟。
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