晶体三极管饱和时发射结和集电结都处于()偏置。A、正向 B、反向 C、顺向 D、负向 发布时间:2017-09-26 18:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 晶体三极管饱和时发射结和集电结都处于()偏置。A、正向B、反向C、顺向D、负向
题型:单项选择题 The teacher asked the children to write ________ line but Tom just wrote very carelessly ________ lines.[ ]A. other every; few everyB. other every; every a fewC. every other; every fewD. every other; every a few 查看答案
题型:单项选择题 为了提高幼儿教育质量,某区教育局决定将委派一批幼儿园教师出国考察。某幼儿园分到一个名额。消息一传开,教师们议论纷纷,究竟谁能成为其中的幸运儿呢?最后,园长决定派一位在幼儿园工作时间最长的教师出国考察。请用所学的管理学知识,评价该园长选拔人员的行为,并谈谈假如你是园长,你会怎样做? 查看答案