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【单选题】
安装使用漏电保护器,是属于哪种安全技术措施?
【单选题】
漏电保护器对下例哪种情况不起作用?
③
C、双手碰到两相电线(此时人体作为负载,已触电)
【单选题】
开关箱中漏电保护器的额定漏电动作时间为( )。
【单选题】
漏电保护器对下列哪种情况不起作用( )。
【单选题】
潮湿场所开关箱中的漏电保护器,其额定漏电动作电流为( )。
【单选题】
装用漏电保护器,是属于哪种安全技术措 施
【单选题】
一般场所开关箱中漏电保护器,其额定漏电动作电流为( )。
【判断题】
As an individual branch of linguistics, lexicology has nothing to do with other branches of linguistics.
【判断题】
Two more newly emerged disciplines that are related to lexicology are computational lexicology and phraseology.
【判断题】
A word is a symbol, a representation of something in life, either physical or abstract.
【判断题】
Although a society is changing , the vocabulary in a language is always stable, and is never changing.
【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.
【单选题】
Lexicology, a branch of linguistics, deals with_______of words.
【单选题】
Which of the following types of lexicology refers to the description of the vocabulary of a given language?
【单选题】
The essential difference between grammar and lexicology is that the former deals with_______of words and the latter with _______ of words.
①
meanings; forms and structures
②
forms and structures; meanings
③
forms; structures and meanings
④
meanings and forms; structures
【多选题】
依法治国是党领导人民治理国家的基本方略,实行依法治国具有重大而深远的意义( ).