【多选题】人体触电方式有以下几种:高压电场对人体的伤害、静电对人体的伤害、()。
【判断题】检修电器时应将中性线看作是带电体。 ( )
【单选题】朝鲜半岛最长的河流是 ________。
【判断题】跨步电压触电、高压电场触电都属于直接接触触电。
【简答题】( ) 是半岛上第四长的河流, 流经过韩国首都首尔,最后注入黄海。
【多选题】人体触电方式有以下几种:()、静电对人体的伤害、雷电。
【判断题】While students are doing the activity, the teacher should walk around the classroom and overhear what the students are saying.
【单选题】Which are the results of the increasing freedom the students are given?
A.
The studens become much more responsible.
B.
The students rarely attend any classes.
C.
The students have more weaknesses when they leave school.
D.
The students improve academically