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【简答题】
已知示波器偏转灵敏度D y =0.2V/cm，荧光屏有效宽度10cm。若想在屏上显示10个周期该信号的波形，扫描速度大？
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举一反三
【单选题】The word proliferation in paragraph 3 is closest in meaning to
A.
style
B.
expense
C.
control
D.
spread
【判断题】There is always something deformed or lost in the translation, which makes the translation astray away from the original in meaning or in style.
A.
正确
B.
错误
【单选题】The word impetus in paragraph 3 is closest in meaning to
A.
push
B.
style
C.
shock
D.
cost
【单选题】In the advertisement, the word 'manner' in paragraph 2, line 2 is closest in meaning to______.
A.
style
B.
conduct
C.
behavior
D.
attitude
【单选题】Find the sentence that is closest in meaning to the one given for each question. These activities will help students improve their reading and understanding skills. Today there is hardly any time for ...
A.
Unlike in the past, in our modern world, time is the scarcest value however people can still find time for story telling.
B.
Today hardly anyone knows how important storytelling was in the past since everybody is busy with their own lives.
C.
Storytelling, which once was a vital part of life, has become significantly less common in the modern era due to lack of time.
D.
Although many people can hardly find time for anything other than work, storytelling is still as important as it was in the past.
E.
Nowadays, storytelling has become a very important practice since it gives us ideas about the life in the past.
【单选题】The word 'fashion' in the passage is closest in meaning to
A.
shape.
B.
trend.
C.
style.
D.
manner.
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