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【简答题】
九、课文原句填空（每空0.5分，共5分） 1. Polly found herself ______ _____ _____ a man standing with his hand _________ on her arm. 2. In 1066, the Normans conquered English and _______ ______ ______ the country. 3. Unfortunately, all the people were _______ _______, and _______ was the city.
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【简答题】在P-V图上,(1) 系统的某一平衡态用________来表示;(2) 系统的某一平衡过程用________来表示;(3) 系统的某一平衡循环过程用________来表示。
【单选题】The depletion type of MOSFET can operate in the _____.
A.
depletion mode only
B.
enhancement mode only
C.
in the depletion mode and the enhancement mode
D.
None of the above
【单选题】The primary difference between JFETs and depletion-type MOSFETs is ( ).
A.
JFETs can have positive values of and levels of drain current that exceed
B.
depletion-type MOSFETs can have positive values of and levels of that exceed
C.
depletion-type MOSFETs can have only positive of
D.
JFETs can have only positive values of
【单选题】The depletion type of MOSFET can operate in the ( ).
A.
depletion mode only
B.
enhancement mode only
C.
in the depletion mode and the enhancement mode
【单选题】在p-V图上系统的某一平衡态用_______来表示；系统的某一平衡过程用_____来表示；系统的某一平衡循环过程用________来表示。
A.
一个点、一条曲线、一条封闭曲线
B.
一条封闭曲线、一条曲线、一个点
C.
一条曲线、一个点、一条封闭曲线
D.
一条封闭曲线、一个点、一条曲线
【简答题】Every word has a sense, but not every word has a r_______ .
【单选题】Depletion expense
A.
is usually part of cost of goods sold.
B.
includes tangible equipment costs in the depletion base.
C.
excludes intangible development costs from the depletion base.
D.
excludes restoration costs from the depletion base.
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