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【简答题】
Fill in each of the blanks with a suitable preposition or adverbs. 1. We can ’ t afford to fall ______ other business in using new technology. 2. Realizing that his retirement was near ____ hand, he looked for some additional income that would provide for his children. 3. Months of secret talks with the opposition party resulted ___ the setting free of the political prisoners. 4.When the car broke down on the highway for a third time, John ’ s patience completely ran ____ . 5. He cannot go without wine even foe one day; he is a complete slave ____ drink. 6. What one thinks and feels is, in the eyes of social scientists, mainly due ____ tradition, habit, and education. 7. It ’ s a real honor to have the opportunity of meeting the well-know scientist ____ person. 8. Happiness doesn ’ t necessarily go _____ money. 9. In the thick forest, you can walk from the edge till you feet ache, and still you ’ ll see nothing ______ tall trees and other plants. 10.Every day the manager has to account to the chairman _____ how he spends the company ’ s money.
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【简答题】肺尖向上经胸廓上口突出到[填空(1)],高出[填空(2)]内侧1/3部约2-3cm。A. 颈根部B. 锁骨
【简答题】为了保持波源的振动不变,需要消耗4.0W的功率.若波源发出的是球面波(设介质不吸收波的能量),求距离波源5m和10.0m处的能流密度.
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