皮皮学，免费搜题
登录
搜题
【判断题】
断开控制极后，能保证晶闸管不导通而允许重复加在阳极与阴极间的正向峰值电压，称为正向阻断峰值电压。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】______ has already been pointed out, only by correcting mistakes, can you make progress.
A.
It
B.
As
C.
That
D.
What
【简答题】The great Chinese novel has been t ____into several languages since it came out.
【单选题】The book came out in 1973 and it _________into thirty languages ever since.
A.
translated
B.
has been translated
C.
has translated
D.
was translated
【单选题】A new ______ to teaching languages is being used here, and it has turned out to be very helpful to the students.
A.
approach
B.
means
C.
method
D.
way
相关题目：