题目内容
变电所中采样回路只能对电量信号进行采样。
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实际工作中,可以根据电解液比重的变化来判断蓄电池放电程度,但不能作为蓄电池放电终了的标志。
蓄电池的充电特性指蓄电池端电压与充电电流之间的关系。
直流系统可以不设置电压监测装置。
Fill in the blanks with the words from the passage.Toward a Brighter Future for AllGood afternoon! As president of the university, I am proud to _____1______ you to this university. Your current achievement is the _____2_____ of years of hard work. Here, you may encounter things you do not expect. But remember: Your future success is built on a solid ____3________ of the past.For you, the next four years will be a time unlike any other. You are provided with great ______4_____ and the freedom to explore new subjects and ___5_____ new passions. What you need to do is to __________6_______ this unique experience, and to use your energy and enthusiasm to _____7_________ of this opportunity. You may also feel overwhelmed by the wealth of courses available. My advice is:______8______ yourself! You should ___9____ new subjects, cultivate new interests, and pursue new passions.Besides, there also may be many _______10______ experiences as well as pleasant ones here at the university. But the latter will _______11____ the former. All of them will become valuable lessons to __12_____ your lives. So, get ready to meet these new experiences optimistically.At last, with _____13_________ opportunities, there also come ____14_____________. You should bear the expectations and responsibilities as you _____15_____ and pass on the spirit of hard work, and _____16____ and transmit knowledge.We take _____17______ in the many opportunities you will find here and in the responsibilities you will carry as ____18______ of your communities, your country, and the world. Welcome!
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