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Allinall,wewill beabletoreapthebenefit ____thejointeffortsandhardworkofboth partiesin termsofdevelopingourstudents’languageskills.
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A land free from destruction, plus wealth, natural resources, and labor supply－all these were important1in helping England to become the center for the Industrial Revolution．2they were not enough．Something3was needed to start the industrial process．That “something special” was men－4individuals who could invent machines, find new5of power, and establish business organizations to reshape society．The men who 6the machines of the Industrial Revolution7from many backgrounds and many occupations．Many of them were 8inventors than scientists．A man who is a 9scientist is primarily interested in doing his research 10．He is not necessarily working11that his findings can be used．An inventor or one interested in applied science is12trying to make something that has a concrete use．He may try to solve a problem by13 the theories14science or by experimenting through trial and error．Regardless of his method, he is working to obtain a15result：the construction of a harvesting machine, the burning of a light bulb, or one of 16other objectives．Most of the people who 17the machines of the Industrial Revolution were inventors, not trained scientists．A few were both scientists and inventors．Even those who had18or no training in science might not have made their inventions19 a groundwork had not been laid by scientists years20．
药物中杂质限量检查法通常不要求测定其准确含量，只需检查杂质是否超过限量，大多采用（ ）。
药物中氯化物杂质检查的一般意义在于它 （）
某药物进行中间体杂质检查：取该药0.2g,加水溶解并稀释到25.0ml，取此液5.0ml，稀释至25.0ml，摇匀，置比色皿中，于320nm处测得吸收度为0.05。另取中间体对照品配成每ml含8μg的溶液，在相同条件下测得吸收度为0.435，该药物中间体杂质限量是？
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