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【多选题】
正确评价人生价值要做到()。A.
坚持能力有大小与贡献须尽力相统一
B.
坚持物质贡献与精神贡献相统一
C.
坚持完善自身与贡献社会相统一
D.
坚持自我价值与社会价值相统一
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皮皮学刷刷变学霸
举一反三
【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.
A.
post-processing
B.
preprocessing
C.
processing
D.
first
【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 .
【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
D.
all of the above
【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?
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