【单选题】When no modification has taken place,the information at the receiver is identical to the one at the sender before the ____ step.
【简答题】The use of passive voice puts the main information at the front and the key points at the place of the subject to highlight the .
【判断题】研究生私自发表属于团队的研究成果,属于不端行为。
【单选题】A computer virus plagues other computers by ______.
A.
misguiding the header information at the beginning of the file
B.
preying on other computer files
C.
attaching its infected code to the end of a host program
【简答题】什么是布尔逻辑检索?有哪些常用算符,在检索中各自发挥什么作用?
【单选题】焊接完毕的负反馈放大电路分别包含哪几种反馈?
【判断题】未经许可,将他人注册商标用于企业名称,误导公众的,构成商标侵权行为。