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【单选题】
人生是丰富多彩的,也充满了各种矛盾和问题。大学生处于人生特定的成长阶段,面对学习、就业、恋爱等各种实际问题,许多事情不会总是尽如人意、一切顺遂,也可能有失望和暂时的困难、挫折。 这要求我们所持的人生态度是( )。
A.
人生当务实
B.
人生须认真
C.
人生应乐观
D.
人生要进取
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举一反三
【单选题】三级放大电路中,Av1=Av2=30dB,Av3=20dB,则总的电压增益为
A.
180dB
B.
60dB
C.
50dB
D.
80dB
【简答题】选用方框内所给词的适当形式填空。 you   cross   act   child    laugh 1. The boy wants to be an ________ just like Jackie Chan. 2. Tony, believe ________ and you are sure to succeed. 3. We couldn't help ________ after ...
【简答题】选用方框内所给词的适当形式填空。 you   cross   act   child   laugh 小题1:The boy wants to be an ________ just like Jackie Chan. 小题2:Tony, believe ________ and you are sure to succeed. 小题3:We couldn’t help ________ af...
【简答题】用所给单词的适当形式填空 There ______ (be) a telephone call for you just now.
【简答题】用所给词的适当形式填空: Just be ______________ (patience).
【简答题】用所给词的适当形式填空。 1. You just need to practise _______ (speak) English more. 2. My _______ (hobby) are listening to music and playing football. 3. Chinese people are very (friend) to others. 4. Jiangyan is...
【单选题】三级放大电路中,Av1=Av2=30dB,Av3=20dB, 则总的电压增益为 。
A.
180 dB
B.
80 dB
C.
60 dB
D.
50 dB
【单选题】The presentation of the research report:
A.
may be as important as its findings.
B.
assists in communicating results.
C.
may be the only contact some managers have with the project.
D.
may affect the perceived value of the effort.
E.
all of the above.
【简答题】三级放大电路中 ,则总的电压增益为 _______dB ;电路将输入信号放大了 _______ 倍。 a.60dB b.50dB c. d.
【单选题】The outline of the presentation is used to introduce the subject and the structure of the presentation. Which is NOT the appropriate expression for an outline?
A.
I think this might be a good place for me to wind up my talk.
B.
My presentation will be given four parts. The first part deals with…
C.
We can break this area down into the following fields…
D.
I want to start with this particular topic and then draw some general conclusions from it.
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