【判断题】用万用表不同欧姆档二极管正向电阻时,读数不同,这是因为二极管的特性是线性的。
【单选题】In a sport team each player has a clear role, and there are few occasions ______ members are confused or uncertain of their roles.
【单选题】In a sport team each player has a clear role,and there are few occasions ___________ members are confused or uncertain of their roles.
【简答题】二极管的特性是( ),所以二极管可以作为开关使用。
【简答题】半导体二极管的特性是什么? 半导体二极管的主要参数有哪些?
【单选题】Why did the team of 10 Americans had a goal of making history?
A.
Because it is the first team that topped Mt. Everest.
B.
Because all of the members of the team are blind men except Erik Weihenmeyer.
C.
Because one of its members is Erik Weihenmeyer, who hopes to become the first blind man to clear the famed Mt. Everest.
D.
Because all of the members of the team are old men who are eager to climb the famed peak.
【单选题】In a spots team each player has a clear role,and there are few occasions ___ members are confused or uncertain of their roles.