【单选题】根据《苏州市职业大学学生考勤办法》,对于学校按教学计划规定的集体劳动,学生无故不参加一天者,作旷课( )学时计。
【简答题】I feel very happy to receive your letter and here I’d like to give you some a on how to learn English. Above all, don’t lose 小题1: _______ heart. Many students find it ____ to learn English, espec...
【单选题】In the library, I found a useful book ______ how to use English grammar.
【单选题】一台单相变压器,其额定电压为U1N/U2N=10/0、4kV,额定电流为I1N/I2N=25/625A,则变压器的额定容量为( )。
【单选题】下列异或和同或说法不正确的是()
B.
任何一个复合逻辑都可以用与、或、非三种基本运算构成
【简答题】一台三相油浸自冷式铝线变压器,S N =100kV·A,U 1N /U 2N =10/0.4kV,试求原、副绕组的额定电流I 1N 、I 2N 。
【判断题】逻辑代数是一个封闭的代数系统,它由一个逻辑变量集,常量0和1以及“与”、“或”、“非”三种基本运算所构成。( )
【简答题】Hello! Everyone! I am glad to be here to talk about (1)_____
English. As an English teacher, I'll be very pleased to give
some(2)______ to you. Many students have asked me how
to improve English. I...
【单选题】一台三相变压器的额定容量S N =3200kVA,额定电压为 U 1N /U 2N =35/10.5kV,其一次侧额定电流为( ) A 。