问题
填空题
铰削余量过大或过小都会使表面（）增大。
答案
参考答案：粗糙度
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铰削余量过大或过小都会使表面（）增大。
参考答案：粗糙度
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| The years ago, when I was pregnant, I was on my own and in an extremely limited financial situation. I worked at a 1 but was not well paid. Gradually , I 2 losing weight instead of gaining it because of poor nutrition. I had a 3 called Maggie and one day she started 4 at the pet shop too. Every day for lunch, she would 5 large, organic salads and other very healthy meals. To my 6 , she insisted that I have some of her lunch. I felt 7 and I tried to 8 , but she was determined. When I told everyone at work that I was pregnant, she was excited, and kept on 9 me for very long. All through my pregnancy she was a guardian angel (守护天使), 10 me. She and her husband 11 attended my daughter's birth. They ended up taking us into their 12 and we became  part of their family.One day I 13 how much I appreciated how she had shared her 14 with me when we worked at the pet shop. She told me that she heard about my 15 from a friend of mine who 16 my refrigerator was shockingly empty back then. In order to help me without letting me know, she 17 to get a job where I worked. I was shocked and amazed 18 I learned this new information, I had been 19 and pregnant and poor, only to be taken under wing by this woman. How 20 I am! I'll neve  r forget her -my goodneighbor! | ||||
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