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零件分批法下，先按零件生产的批别计算各批零件的成本，然后按照各产品所耗各种零件的成本合计数作为各该批产品成本。( )
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为了传输MIDI消息，MIDI设备之间的通信采用异步串行方式，每次传输所采用的格式为：1个起始位，后跟 【19】 个数据位，最后是1个停止位。
阅读下列这则笔记，然后回答问题。答谢中书书陶弘景山川之美，古来共谈。高峰入云，清流见底。两岸石壁，五色交辉。青林翠竹，四时俱备。晓雾将歇，猿鸟乱鸣；夕日欲颓，沈鳞竞跃。实是欲界之仙都。自康乐以来，未复有能与其奇者。 作者以此文寄答友人，表达了一种什么样的心境？
MP3文件采用的数据压缩编码标准是 【16】 Layer3。
第二篇Online Cancer Chat with a Safety NetCancer Research ,UK has launched an online chat forum for cancer patients to swap(交换)stories and share experiences on how to cope with such a devastating disease.But Cancer Chat is a forum with a difference: it has an information safety net.This means that a Cancer Research UK team will keep a watching brief to ensure that patients are not subjected to rogue (劣等的) "cancer cures" or scientifically unsound information.Anyone can have access to the messages posted on Cancer Chat, but if people wish to post a message, they will need to register.And Rebekah Gibbs, cancer patient and star of TV’s Casualty, has pledged her support for the new project. "I think Cancer Chat is a brilliant idea," she said. "I have written a public diary about what I went through with breast cancer and I have had such a heart-warming response from other people going through the same thing.""The idea of a Cancer Chat forum means you can share information about treatment and side effects and you can really open up about your feelings online in a way that can be difficult when talking to close friends and family. And with Cancer Research UK monitoring the forum, people can be reassured about the quality of information being exchanged."Cancer Chat will also encourage its users to check out any cancer questions on its CancerHelp UK website, which is specially designed to give patients and their families 6,000 pages of up-to-date information that is easy to understand and explains a wide range of treatments for different types of cancer and gives details of clinical trials. There is also a UK database of cancer clinical trials.The award-winning website attracts around one million visitors a month and Cancer Research UK hopes that some of these visitors will also want to post comments on the Cancer Chat forum.For those who do not have access to computers and have questions about cancer, the charity’s team of cancer information nurses are available during office hours to talk over patients’ concerns on the phone. Cancer Chat is different from other forums chiefly in that（）
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