问题
判断题
加工的经济精度指以最有利的时间消耗能达到的加工精度。
答案
参考答案：对
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加工的经济精度指以最有利的时间消耗能达到的加工精度。
参考答案：对
| 选词填空，并注意词形变化。 | |
2. The boy _____ some sentences with the new words he had learnt those days. 3. I don't watch TV. I read books _____. 4. How do we _____ our problems? 5. Tim _____ his father very much. 6. Does the house _____ your mother? 7. Peter _____ his classmates. 8. They _____ their friendship after the quarrel. 9. _____ drugs. They are dangerous. 10. Please help me _____ my bike. |