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【简答题】
如图所示,abcda为1 mol单原子分子理想气体的循环过程,求: (1) 气体循环一次,在吸热过程中从外界共吸收的热量; (2) 气体循环一次对外做的; (3) 证明在abcd四态,气体的温度有 .
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举一反三
【单选题】According to the report by the Royal Academy of Engineering, ______.
A.
privacy-protecting technology should be developed on the basis of surveillance technology
B.
technological change can hardly challenge the protection of individual privacy
C.
scientists should focus more on the development of products protecting privacy
D.
the design of surveillance products should take into account the protection of privacy
【简答题】生产工艺流程 就是把产品的 按次序排列起来。
【判断题】The
Royal National Theatre often performs in Stratford-upon-Avon, Shakespeare’s
birthplace.
A.
正确
B.
错误
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