第 1 题
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：练习题
5 道选择题即时批改，另有 2 道文字题附完整解题步骤，全部围绕「材料與元件的特性及選用」。
7 道题目11 分免费，无需注册
第 2 题
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 题
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 题
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 题
1 分How does the availability and cost of stock forms influence the selection of materials during the design process?
第 6 题
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?
先自己写一遍答案，再对照解题步骤。
第 7 题
4 分Explain how aesthetic attributes and social, cultural, and ethical considerations influence the selection of specific materials for a new product.
先自己写一遍答案，再对照解题步骤。
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