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【简答题】
在题图所示的场效晶体管放大电路中，已知R L ＝30kΩ，R G1 ＝2MΩ，R G2 ＝ 47kΩ，R G ＝10MΩ，R D ＝30kΩ，R S ＝2kΩ， U DD ＝+18V，C 1 ＝C 2 ＝0.01μF，C S ＝10μF，管子为3DO1。试计算：(1) 静态值I D 和U DS ；(2) r i ,r o 和A u ；(3) 如将旁路电容C S 除去，计算A uf 。设静态值 U GS ＝-0.2V，g m ＝1.2mA/V，r ds ＞＞R D 。
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举一反三
【单选题】He__________ that he had robbed the old lady of the necklace．
A.
confessed
B.
admitted
C.
charged
D.
declared
【简答题】二、根据统计表,并回答下面提出的问题。 车的类型 小轿车 客车 货车 面包车 辆数 20 15 30 45 1.这四种车一共有( )辆。 2.小轿车比客车多( )辆。 3.( )最少,( )最多。 4.货车和面包车相差( )辆。 5.客车和货车的总辆数和( )同样多。
【单选题】The student was_______ a gold cup for his excellent performance in the competition.
A.
awarded
B.
admitted
C.
applied
D.
advanced
【单选题】A good deal of the ______ for his achievement in this field must go to his supervisor, Professor Fang.
A.
credit
B.
reputation
C.
respect
D.
praise
【单选题】(2013·浙江联考)________ made our school proud was ________ more than 60% of the students were admitted to key universities in 2013.
A.
What；because
B.
That；what
C.
That；because
D.
What；that
【单选题】His supervisor asked him to ______ his departure for home, because his paper was not so well-done.
A.
infer
B.
prefer
C.
defer
D.
refer
【单选题】He soon himself to the way of life and has lived happily ever since. [ ]
A.
arranged
B.
adjusted
C.
admitted
D.
avoided
【单选题】. Now that he has ______ that he stole the money, you should forgive him.
A.
excused
B.
suffered
C.
admitted
D.
offered
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