题目内容
What would your ideal man/woman look like? What kind of person would they be? write a description,using language you have learned to help you.
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You rencently bought a pair of jeans online.When they arrived, they were different from what they look like in the photograph. Write a letter of complaint, describing the problem and requesting action.
1.可采用哪些主要措施来提高夹具的整体精度？
2.影响夹具生产率的主要因素有哪些？
11-16 白光垂直照射到空气中一厚度为380nm的肥皂膜上。设肥皂膜的折射率为1.32，则该膜的正面和背面分别呈现（）颜色。请将解答过程写在纸质作业上。
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