A: YT
B: YG
C: 金刚石
D: T8
举一反三
- 中国大学MOOC: In the following cutting tool materials, which is usually used for ultraprecision machining.
- Abill of materials lists all of the different types of materials (steel, copper,plastic, etc.) used in the manufacture of the product.
- 剪纸用的材料和工具---The materials and tools are used for paper cutting
- The enclosure indicates materials or documents enclosed. The short form “Encs” is often used when there is one item enclosed. ____
- Building materials may be classified into three groups according to the purposes they are used for: structural materials, decoration materials and some special materials.
内容
- 0
Which of the following expressions is correct? A: Carbonaceous materials are the most widely used cathodes because they are non-toxic and provide good stability. B: Carbonaceous materials are the most widely used cathodes because they are non-toxicity and good stability. C: Carbonaceous materials are the most widely used cathodes due to their non-toxicity and high stability. D: Carbonaceous materials are the most widely used cathodes due to non-toxic and highly stable.
- 1
中国大学MOOC: 6. The reason why most plastic packaging materials don’t get recycled is that many people don’t realize their side-effects.
- 2
Text-based materials, task-based materials and realia are used in the ______ classroom. A: the Oral Method B: the Communicative Approach C: the Grammar-Translation Method D: the Suggestopaedia
- 3
There are 7 types of materials that can be used in speeches.
- 4
What are the usual materials used for making paper-cuts?