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单项选择题

白口铸铁中的碳以（）形式存在。 A.
石墨 B.
渗碳体 C.
固溶体 D.
奥氏体

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单项选择题
【单选题】下列关于会计凭证的表述,错误的是( )。· A.
会计凭证是登记账簿的依据· B.
会计凭证按照填制程序和用途可分为原始凭证和记账凭证· C.
原始凭证作用是记在经济业务的发生过程和具体内容· D.
记账凭证又称为单据
单项选择题
E-mail or electronic mail, is considered as the modern communication in the new age. It is carried out in computers all over the world by millions of users. In this invisible world as many peo-ple call it, the users can send and receive letters to and from every coruer of the earth. They share thoughts with pen pals (笔友 ) in New Zealand, ask strangers in Bombay ( 孟买) questions, debate with businessman in Manhattan. All of these are just happening in computers as fast as the travelling of the light, no writing and speaking, no paper and stamps are necessary.
E-mail is a pipeline to thousands of experts on everything;it is a means of meeting people with similar interests or problems. But it is not a live talk--a real conversation like those in telephones.
E-mailers compose letters at leisure on their computers, then send them by phone line to an on-line service, and then they go forward to the right place. A response can be back within hours, depending on how often the recipient(接受者) checks in. A vast global networks of on-line services for E-mail has been built. A lot of people are regularly using this service in the USA. People believe that E-mail, the computerized exchange, would create friendship and business developments, and would change people′s life in the world.
E-mail or electronic mail, is considered as the modern communication in the new age. It is carried out in computers all over the world by millions of users. In this invisible world as many peo-ple call it, the users can send and receive letters to and from every coruer of the earth. They share thoughts with pen pals (笔友 ) in New Zealand, ask strangers in Bombay ( 孟买) questions, debate with businessman in Manhattan. All of these are just happening in computers as fast as the travelling of the light, no writing and speaking, no paper and stamps are necessary.
E-mail is a pipeline to thousands of experts on everything;it is a means of meeting people with similar interests or problems. But it is not a live talk--a real conversation like those in telephones.
E-mailers compose letters at leisure on their computers, then send them by phone line to an on-line service, and then they go forward to the right place. A response can be back within hours, depending on how often the recipient(接受者) checks in. A vast global networks of on-line services for E-mail has been built. A lot of people are regularly using this service in the USA. People believe that E-mail, the computerized exchange, would create friendship and business developments, and would change people′s life in the world.
Which of the following expression is not for E-mail?
A.Happeningasfastasthetravellingoflight
B.Nowritingandspeaking
C.Nopaperandstamps
D.Responsedependingontherecipient
单项选择题
“蒸骨验伤之法”出自哪部古代著作
A．《棠阴比事》
B．《折狱龟鉴》
C．《检验格目》
D．《洗冤集录》
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