问题
多项选择题
PNX2型智能信号电源屏由下列哪几部分组成()。
A、三相输入转换模块
B、监测模块和各交直流电源模块
C、变压器
D、变频器
答案
参考答案:A, B, C, D
PNX2型智能信号电源屏由下列哪几部分组成()。
A、三相输入转换模块
B、监测模块和各交直流电源模块
C、变压器
D、变频器
参考答案:A, B, C, D
借鉴别人的学习秘诀, 是学习的捷径之一。请把下面的学习秘诀和例子对上号。 Secrets of top students Example One: “If I don’t understand what my teacher is explaining in the science, I ask him to say it again,” says Anna Lee. “also asking more helped a lot.” 小题1:____________ Example Two: “When a teacher asks us to do a lot of homework,”says Dave Roman “ I will draw up a timetable and plan to do it little by little, so it isn’t so tiring. 小题2:__________ Example Three: One student put a vocabulary list on the wall of the bathroom. He learned a new word every day while brushing his teeth. Another student used the time to remember biology terms while practicing running. 小题3:____________ Example Four: In high school, Mike played football, painted and was in the band. “I was so busy that I couldn’t waste time looking for a pencil or missing paper. I kept everything in order.” He says. 小题4:__________ Example Five: Christi is an excellent student at the university. If her math teacher asks her to do five problems, she does ten. If the history teacher asks her to read five pages, she reads ten. “Part of learning is practicing,” she says, “and the more you practice, the more you learn.” 小题5:___________
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