问题 名词解释

半导体二极管

答案

参考答案:

将PN结加上相应的电极和管壳就成为半导体二极管。

改错题

There are advantage for students to work while                                      1.       

studying at school.One of them was that                                                       2.       

they can earn money.For the most part,                                                        3.       

students working to earn money for their own                                               4.       

use.Earning their own money allow them                                                      5.       

to spend on anything as if they please.                                                                6.       

They would have to ask their parents for                                                       7.       

money or for permission to do things by                                                       8.       

the money.Some students may also to save                                                    9.       

up for our college or future use.                                                                  10.       

判断题