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成形刀的特点它具有加工精度高，使用寿命长制造复杂等特点，适用于较小直径的成形面。
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A statesman is a person who is experienced in the art of government. He has had a long and respected 1 at the national or international level. The world is full of political leaders, but to meet the requirements of a great statesman, one must possess some 2 qualities, such as confidence, courage, foresight, integrity (正直) and charisma (感召力).In terms of (就…而言) 3 , a statesman must know clearly what his country and his people can become. He knows where he wants to take them and what it will take to 4 the goal. What is required of him is the ability to recognize problems and come up with 5 that are good not only for the short-term, but for the long-term as well. The statesman 6 to the issues of the here and now, and in the meantime, keeps in mind the world for future generations. For this purpose, he needs to 7 his ability to get support for his initiatives to 8 various challenges facing the nation and the world. He often needs to judge a situation and make difficult and possibly unpopular decisions based on what would be best for the greatest number of people. While it is important for a statesman to listen to the needs of the common people, his success also depends on their 9 . So he has to 10 that he can win their hearts. Indeed, great statesmen have had many political speeches that contain messages still as powerful as ever.
Directions: There is a passage with 10 blanks. Please read it crfully and selet one wordfrom the word bank below to fll in the blanks appropriately.devices employedcomplex computercollaborationprovidein excess of a variety ofaccording tomake a livingVideo games aren't only for play; they also 1)___________ work. The workers, known as gamedevelopers, 2)______ by creating the games you enjoy playing. Making video games is a serious- and big-business. 3)___________the Entertainment Software Association, in 2009, the video game industry had sales 4)____________$10 billion and 5)___________more than 32,000 people in 34 states. Creating these games is 6)________________and requires the 7) __________of many developers,who perform 8) _______________tasks, from production to programming. They work for both small and large game studios to create games that can be played on many different 9)_________includingconsole systems, 10)______ and cell phones.
R-K方程中的a和b（ ）
指定的纯物质，当温度、压力高于纯物质的临界温度和临界压力时，则其状态为（ ）
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