皮皮学，免费搜题
登录
搜题
【单选题】
电路如题26(a)图所示,当输入正弦电压时,输出电压u o 波形出现如题26(b)图所示的形状,若出现的原因是Q 1 静态工作点调整不当造成的,则以下说法正确的是_________。A.
是饱和失真,R 1
B.
是截止失真,R 1
C.
是饱和失真,R 2 ,
D.
是频率失真,应增大耦合电容。
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】— Harry is too thin for his age. — So he is, but ______ he is very healthy.
A.
finally
B.
exactly
C.
ually
D.
actually
【单选题】He is a very _______ man, I suppose, but he is very dull. [ ]
A.
worthy
B.
worthwhile
C.
worth
D.
worth while
【单选题】Jack is good at English. He is very . But his sister Linda, is weak in English. She is always ______. [ ]
A.
careful careful
B.
careful careless
C.
careless careful
D.
carefully careless
【简答题】Although he is very old, he is very strong. (but/yet二选一）A. yet
【简答题】Tom is a schoolboy. He is only seven years old, but he is very busy on weekdays. One Saturday he decided to relax himself, so he went to the cinema. It was the first time for him to do that. He bought...
【简答题】完形填空 Wang Gang is a student. He is very clever, but he is not 1 . His face and hands 2 always dirty (脏的). He washes 3 with water only. Wang Gang 4 an uncle. One day his uncle goes to see him. He 5 Wan...
【简答题】Though he is not rich, but he is very generous.
【单选题】—Do you know the scientist _ Stephen Hawking? —He is a disabled man, but he is very famous and successful. [ ]
A.
call
B.
called
C.
calls
D.
calling
【单选题】5) Which of the following is NOT true of the customer? A) He is a successful man. B) He has received a good education. C) He is rich but very rude. D) He lives in a wealthy neighborhood.
A.
He is a successful man.
B.
He has received a good education.
C.
He is rich but very rude.
D.
He lives in a wealthy neighborhood.
相关题目：