【单选题】当 时,阻抗角 为0, ,电压与电流( ),电路为( )。这时电路发生串联谐振。
【多选题】According to the speaker Zhang Xinyue, how can we improve autonomous learning ability?
A.
Use time efficiently and learn time management.
B.
Try to limit procrastination.
C.
Arrange the time as reasonably as possible
D.
Take more notes. Summarize and summarize some complex problems as well as those that you think are difficult.
【多选题】How can we improve our empathetic ability according to the video?
A.
Be observant of others
【简答题】通常为选区填充实色后,选区边缘的颜色有锐利的分界边缘,要使此处的 颜色过渡比较柔和,简单有效的操作方法是A. 利用模糊工具在选区边缘拖动 B. 在选区中填充渐变,然后再填充所需的实色 C. 利用画笔工具在选区边缘拖动 D. *利用羽化命令将选区羽化后再填充实色
【单选题】结帐前发现账簿或者凭证的文字或数字发生错误时,可以采用的错账更正方法是()
【单选题】The important thing is how we can improve our studies.
【多选题】How can we improve our English?
A.
By reading the textbook.
B.
By studying with a group.
C.
By listening to English songs.
D.
By playing foodball with schoolmates
【单选题】反应相间短路的阻抗继电器通常采用0°接线,所谓0°接线是指三相对称的情况下,当____时,加入继电器的电流与电压之间的夹角为0°。( )
【单选题】通常为选区填充实色后,选区边缘的颜色有锐利的分界边缘,要使此处的颜色过渡比较柔和,简单有效的操作方法( )。