在晶体管放大电路中，常用的反馈方式有哪几种？ 发布时间：2017-05-15 14:19 │ 来源：www.tikuol.com 题型：问答题 简答题 问题： 在晶体管放大电路中，常用的反馈方式有哪几种？
题型：问答题 简答题 A school report Name：Edward Scott School: Kelvin High SchoolGrade: 8 Term ending: May 6Math:He is a little weak in this, but he tried his best to catch up with others. Science:He can work out many difficult problems. Well done! (做得好) English:He is the best in the class. Keep it up（保持）. French:His reading is very good, he can remember many words. History:He is not so good at this, but has done better than before. Geography:He is familiar(熟悉的) with the names of many places in the world. Music:He doesn’t like pop songs, though sings very well. No. in class: 9 absences: 8 Remarks(评语): Edward is able to do a lot better.He needs to do more work next semester. Class teacher: Ivy Principal: M. L. Martin School reopens: September 1根据上面所提供的信息，选择最佳答案。小题1:After reading this, we know it is ________________.A．a studying plan of Edward ScottB．a teaching plan of IvyC．a report card of Edward ScottD．a working plan of M. L. Martin小题2:Which subject is not mentioned(提到) in the report? .A．PEB．MusicC．MathD．History小题3:Edward’s best subject is _________________.A．scienceB．EnglishC．geographyD．French小题4:Edward is not so good at ________________.A．science and geographyB．math and historyC．history and FrenchD．music and English小题5:Which sentence is not true? A．Edward can’t sing songs very well.B．Edward doesn’t do well in history.C．Edward can do better if he works harder next term.D．Edward learns two languages at school. 查看答案
题型：问答题 简答题 “大禹治水”是造福于炎黄子孙的伟大功业，对中 * * 做出了巨大贡献。回答：（1）大禹采取了什么方法治理水患？_____________________________________（2）谈谈大禹治水给你的启示。_____________________________________ 查看答案
题型：问答题 简答题 已知x1，x2是关于x的方程（x﹣2）（x﹣m）=（p﹣2）（p﹣m）的两个实数根． （1）求x1，x2的值； （2）若x1，x2是某直角三角形的两直角边的长，问当实数m，p满足什么条件时，此直角三角形的面积最大？并求出其最大值． 查看答案