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No agreement was reached _______how much we should pay.
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根据中文和首字母提示填单词。Text A1. Most cities in the country have introduced “Clean Air Zones" _______________ factories and households are only allowed to burn smokeless fuel.2. He knows that the_______________of social status can consume vast amounts of his time and effort.3. The doctors are at a loss because so far no medicine has been found to_______________the spread of the disease.4. We see many special education directors trying the quality of their programs to _______________ with much less money and much smaller staff.5. People there are told it is their_______________ duty to support the national economy by buying their own products.6. Darwin's thinking both drew upon and_______________ the conventional ideas of his time.7. In spite of all your _______________ , there may be times when you encounter difficulties in the training process.8. My advice to Mr. Stewart is to think carefully before entering into a career in medicine, as this is a field which requires a lot of_______________and long working hours.9. Most Chinese parents would prefer to choose some professions that are stable and could bringand economic benefits.10. It is legally possible for an elderly person to someone to act for them,should they become incapable of looking after themselves.Text B11. Although he was a famous politician and Prime Minister of Great Britain, Churchill found time to in his hobbies of painting and gardening.12. The young actress was lucky to get a major part in a movie which was her into fame overnight.13. The external debt problems in the developing countries throughout the world were further by the rise in interest rates.14. Watching the NBA is a visual treat; we are often by the skills of the best players in this sport.15. A new study published this week in the journal Science suggests that emotional tears may play a direct role in stress.16. Many members of the academic staff a internationally experts who insist on methodical (有条理的) approaches to the analysis of society.17. He is nice and bright, and is always read and determined to discuss the truth withhis tongue.18. His attempt to control the meeting and to convince everyone to get the tax law passed will beto fail.19. Hesocial norms and politeness and always said exactly what he felt: He was progressively rejected by many colleagues because of this behavior.20. At a conference in Beijing, Mr. Li apparently received morethan any other speaker even though he made the shortest speech of the entire day.
组合体尺寸标注包括①形体分析；②标注各基本形体尺寸；③检查调整，标注总体尺寸；④确定尺寸基准。其一般步骤为 。
为使组合体尺寸标注完整，使用 法假想将组合体分解为若干基本体，注出各基本体的 尺寸，以及确定这些基本体之间相对位置的尺寸，最后根据组合体的结构特点，注出 尺寸。
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