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搜题
【单选题】
晶体管工作在放大状态时，外部条件应满足 。A.
发射结正偏，集电结正偏
B.
发射结反偏，集电结反偏
C.
发射结正偏，集电结反偏
D.
发射结反偏，集电结正偏
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举一反三
【单选题】Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. Universities are responding to changes by
A.
constructing new buildings in old styles so they appear old and traditional.
B.
introducing new subjects for study.
C.
charging students higher fees.
【单选题】Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. An identity can
A.
cost $150.
B.
take a long time to restore if stolen.
C.
only be bought in parks.
【多选题】Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. University students nowadays are criticised for their lack of ______.
A.
mathematical ability.
B.
essay writing ability.
C.
criminal behaviour.
【单选题】Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. The road is causing tensions, or is expected to cause tensions, between
A.
different groups of Polish citizens.
B.
Poland and the EU.
C.
two groups of residents in Augustow.
【简答题】已知点O、A、B的坐标分别为：（0，0），（2，0），（2，4），以A、B、P为顶点的三角形与△ABO全等，写出1个符合条件的点P的坐标： _________ ．
【简答题】如图，P 1 是反比例函数 在第一象限图象上的一点，已知△P 1 O A 1 为等边三角形，点A 1 的坐标为(2，0)． （1）直接写出点P 1 的坐标； （2）求此反比例函数的解析式； （3）若△P 2 A 1 A 2 为等边三角形，求点A 2 的坐标．
【单选题】Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. Canals will require ______.
A.
relatively little investment.
B.
considerable investment.
C.
investment equal to 1% of Europe's transport budget.
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