问题
单项选择题
电力变压器、电抗器绕组绝缘介质损耗因数测量宜在顶层油温低于（）℃且高于零度时进行，测量时记录顶层油温和空气相对湿度。
A.30
B.40
C.50
D.60
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
电力变压器、电抗器绕组绝缘介质损耗因数测量宜在顶层油温低于（）℃且高于零度时进行，测量时记录顶层油温和空气相对湿度。
A.30
B.40
C.50
D.60
参考答案：C
| 完形填空 | ||||
| One student took a box of chicken to class.Another carried on a cellphone __1__ and still another whistled loudly every time the __2__ turned his back.Reform school?No. College. More and more, professors say, they are coming across __3__ students in their classrooms.Many of today's young scholars arrive late, leave __4__, talk loud or take care of personal __5__ such as paying bills during class.Why are the students behaving badly?"Because they can, , " said a student of University of North Texas."A lot of the time, , the professors let them get away with it." Some educators say it is time to bring politeness back to their classrooms and even __6__ taking some of the blame for bad behavior.They say that rude students are by no means the majority but that one of them can ruin an entire __7__. People are __8__ when they learn that impolite behavior is becoming more and more common in __9__ education, , says Dr. Gerald Amanda, , a counselor at City College of San Francisco.They __10__ some high school students to misbehave but think those who get to __11__ will behave more politely. Dr. Amanda believes that society in general has become more tolerant of rude behavior and that people in power, , including professors, , no longer __12__ standards for __13__.That leads to a growing imprudence(轻率行为)among some college students."There's a great deal of bad behavior in the world around them, , and young people see it and __14__ disrespect, , "said Dr. Amanda, , __15__ that sometimes students "have no idea that they are being rude." | ||||
|