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【判断题】
对于分压式偏置放大电路来说，必须针对输入信号的特点，合理选择静态工作点。因为，如果静态工作点选择不合适，输出信号波形可能会出现失真的情况。A.
正确
B.
错误
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【单选题】According to the author, the passage mainly deals with______.
A.
a tornado in Edmonton, Alberta
B.
what' s a 'Nowcast'
C.
the disadvantage of conventional computer models of the weather forecast
D.
a breakthrough in weather forecast
【单选题】This book deals with questions______ China' s Agrarian Revolutionary War.
A.
concerned
B.
concerned over
C.
concerning with
D.
concerning
【简答题】Tesco uses information gleaned from Dunnhumby, a British data mining firm of which it has majority control, to manage every aspect of its business, from creating new shop formats to arranging store la...
【简答题】s____ n.[u]the range of things that a particular activity, organization, subject, etc.deals with (活动、机构或学术)范围
【简答题】Copyright A copyright is a way to control the use of ideas. You cannot use other people's ideas. It is illegal to print, copy, sell, or distribute someone else's work. You may not change, translate, r...
【单选题】What does the woman say about her business?
A.
Most of her work is with one company.
B.
Work needs to be delivered every month.
C.
Contracts take a long time to negotiate.
D.
Negotiating fees is a standard practice.
【判断题】马尔萨斯1798年《人口原理》认为,人口呈几何级数增长,生活资料呈算数级数增长,为了避免饥荒、战争、瘟疫等成为解决人口和粮食矛盾的方式,必须节制人口。
A.
正确
B.
错误
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