皮皮学,免费搜题
登录
搜题
【单选题】
‍固定偏置放大电路特性曲线和直流负载线如图所示。若电阻UCC、RC不变,RB减小,则静态工作点将由Q0移至( )。
A.
Q1
B.
Q2
C.
Q3
D.
Q4
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
【判断题】招标工程量清单与实际施工要求不符不属于项目特征描述不符
A.
正确
B.
错误
【简答题】The 20th century has witnessed an enormous worldwide political,economic and cultural ______. A) tradition    B) transportation    C) transmission D) transformation
【判断题】全社会资产投资是衡量投资规模的主要变量。()
A.
正确
B.
错误
【单选题】( )是衡量社会投资规模的主要变量。
A.
企业投资
B.
政府投资
C.
固定资产投资
D.
外商投资
【单选题】The remarkable progress of science and technology in the 20th century has brought enormous benefits to humankind. Long and healthy lives, economic prosperity and a pleasant and convenient living envir...
A.
may cause the lack of scientists throughout the world in the century to come
B.
is mainly due to the explosion of scientific information
C.
may increase the communications gap between young people and scientists
D.
may hinder the development of human society
【简答题】阅读理解。 Most of the 20th century has been a development on the Industrial Revolution taken to an extreme: people now own more products than ever before; there are enough nuclear weapons to destroy the e...
【单选题】是衡量社会投资规模的主要变量。
A.
企业投资
B.
政府投资
C.
全社会固定资产投资
D.
外商投资
【简答题】全社会资产投资是衡量投资规模的主要变量。 ( )
【单选题】In the late 20th century, information has acquired two major utilitarian connotations. On the one hand, it is considered an economic resource, somewhat on par with other resources such as labour, mate...
A.
the remarkable rise in information-processing activities
B.
a sharp increase in information-intensive activities
C.
information as an economic resource
D.
the birth of information society
【简答题】Most of the 20th century has been a development on the Industrial Revolution taken to an extreme: people now own more products than ever before; there are enough unclear weapons to destroy the earth s...
相关题目: