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【单选题】
电路如图,其中由电阻Rf构成的反馈是电压反馈还是电流反馈?A.
电压反馈
B.
电流反馈
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反馈参考答案：
举一反三
【单选题】(49270) 车钩中心线高度:空车时 , 车钩钩舌端面 ( ) 的中心线至轨面的垂直距离简称为车钩高。 (1.0 分 )
A.
内侧面
B.
外侧面
C.
内、外侧面
D.
任意面
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
An Enjoyable Experience
B.
How to Learn a New Language
C.
How to Face the Challenge When You in Trouble
D.
The Importance of Culture in Learning a Language
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
learn new words, new grammar, and new pronunciation
B.
learn about China's history and culture
C.
stay in the other country and learn its language
D.
communicate with people in China
【简答题】国家制图标准规定,重要的可见轮廓线用( )线表示。图样中的单点长画线在较小图形中绘制有困难时,可用( )线代替。
【单选题】Learners learn a language in order to be able to do things with it. Language is seen not only as a linguistic system but also a means for doing things. This view belongs to
A.
Structural view
B.
Functional view
C.
Interational view
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
you can get a good grade in the exam
B.
you will communicate with its people much easier
C.
you will be interested in its history
D.
you will make more friends
【单选题】Learning a new language is always a challenge. There are new words, new grammar, and newpronunciation. Language is an important part of culture, and becoming familiar with (熟悉) the cultureas well as t...
A.
有益的
B.
困难的
C.
值得鼓励的
D.
实用的
【简答题】国家制图标准规定重要的可见轮廓线用( )线表示。
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