【单选题】【消耗次数：1】
计算机一旦染上病毒，就会________
①
立即破坏计算机系统
②
立即设法传播给其它计算机
③
等待时机，等激发条件具备时才执行
④
只要不读写磁盘就不会发
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【简答题】
计算机病毒的可触发性是指计算机在感染了病毒后，很多计算机病毒并不会立即发作，而有一定的[填空]。
【简答题】
简述计算机病毒对计算机系统可能产生的影响？
随机题目
【单选题】
Noticeable changes of English words in recent years consist of the following characteristics EXCEPT___________ .
①
increasing use of abbreviation
②
increasing use of open compounds
③
increasing use of clauses
④
increasing use of conversion
【单选题】
Historical linguistics reveals that the English vocabulary sprang from three major root sources:_______.
①
Italian, Latin, Greek
②
French, Germanic, Greek
③
Germanic, Latin, Greek
④
Germanic, Italian, French
【判断题】
As an individual branch of linguistics, lexicology has nothing to do with other branches of linguistics.
①
正确
②
错误
【判断题】
Two more newly emerged disciplines that are related to lexicology are computational lexicology and phraseology.
①
正确
②
错误
【判断题】
A word is a symbol, a representation of something in life, either physical or abstract.
①
正确
②
错误
【判断题】
Although a society is changing , the vocabulary in a language is always stable, and is never changing.
①
正确
②
错误
【单选题】
In language studies, linguists may investigate the history and stages of language change in a course of time. This is called _______ approach.It is historical lexicology.
①
synchronic
②
descriptive
③
diachronic
④
general
【单选题】
Lexicology, a branch of linguistics, deals with_______of words.
①
the nature
②
the history
③
the meaning and use
④
all of the above
【单选题】
Which of the following types of lexicology refers to the description of the vocabulary of a given language?
①
General lexicology
②
Special lexicology
③
Historical lexicology
④
Descriptive lexicology