问题
单项选择题
为保证冲裁模的装配质量，凸模和凹模之间的间隙应（）。
A、四周大小均匀
B、在合理的公差范围内
C、在公差范围内调整均匀
D、随便
答案
参考答案：C
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为保证冲裁模的装配质量，凸模和凹模之间的间隙应（）。
A、四周大小均匀
B、在合理的公差范围内
C、在公差范围内调整均匀
D、随便
参考答案：C
| 根据对话内容，选择方框中所给词的正确形式填空。 | |
B: Fine. Thanks. And you ? A: I'm quite fine ,too. Where 1. ________ you go for your summer holidays? B: I went back to my hometown to see my 2.________ with my father. We hadn't seen them 3.________ half a year and my grandparents were 4. ________ and excited to see us. A: How long did you stay there? B: We stayed there for a 5._________ and I visited all my old friends. When I was a boy, I 6.________ a young tree in front of my old house and now it has 7._________ a tall big tree. How happy I was to see such a tall tree! A: Oh, what a wonderful holiday you've got! B: Yes, I think so. |