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【单选题】
一接线有错误的放大电路如下图所示,该电路错误之处是( )。
A.
电源电压极性接反
B.
基极电阻Rb接错
C.
耦合电容C1极性接错
D.
耦合电容C2极性接错
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参考答案：
举一反三
【简答题】The biggest obstacle to energy transition is that the present energy system is too expensive to replace． 查看材料
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【单选题】Even if they are on sale， these refrigerators are equal in price to， if not more expensive than， __________at the other store.
A.
anyone
B.
the others
C.
that
D.
the ones
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【单选题】The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.
A.
beneficial
B.
fundamental
C.
comparable
D.
competitive
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【单选题】A:Which of those electronic dictionaries do you like most? B:().They are both expensive and of little use.
A.
Neither
B.
None
C.
All
D.
both
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【单选题】Health Care in the US Health care in the US is well-known but very expensive. Paying the doctor's bill after a major illness or accident can cost hundreds of thousands of dollars. In the US, a person'...
A.
Right
B.
Wrong
C.
Not mentioned
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【单选题】有4位举重运动员的体重分别为60、61、62、63公斤;另4位儿童的体重分别为15、16、17、18公斤;则举重运动员体重的变异程度与4位儿童体重变异程度关系
A.
前者大于后者
B.
后者大于前者
C.
两者相等
D.
两者无关
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【单选题】63公斤;另4位儿童的体重分别为15、16、17、18公斤;则举重运动员体重的变异程度与4位儿童体重变异程度关系
A.
前者大于后者
B.
后者大于前者
C.
两者相等
D.
两者无关
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【单选题】能正确表示条件x≥y≥z的C语言表达式是:
A.
x>=y&y>=z
B.
x>=y&&y>=z
C.
x>=y||y>=z
D.
x>=y AND y>=z
查看完整题目与答案
【单选题】能正确表示条件x≥y≥z的C语言表达式是( )。
A.
(x>=y)&(x>=z)
B.
(x>=y)&&(y>=z)
C.
(x>=y).AN
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【单选题】It is reported that this medicine is _______ against lung cancer.
A.
economic
B.
easy
C.
expensive
D.
effective
查看完整题目与答案
相关题目：
【简答题】The biggest obstacle to energy transition is that the present energy system is too expensive to replace． 查看材料
查看完整题目与答案
【单选题】Even if they are on sale， these refrigerators are equal in price to， if not more expensive than， __________at the other store.
A.
anyone
B.
the others
C.
that
D.
the ones
查看完整题目与答案
【单选题】The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.
A.
beneficial
B.
fundamental
C.
comparable
D.
competitive
查看完整题目与答案
【单选题】A:Which of those electronic dictionaries do you like most? B:().They are both expensive and of little use.
A.
Neither
B.
None
C.
All
D.
both
查看完整题目与答案
【单选题】Health Care in the US Health care in the US is well-known but very expensive. Paying the doctor's bill after a major illness or accident can cost hundreds of thousands of dollars. In the US, a person'...
A.
Right
B.
Wrong
C.
Not mentioned
查看完整题目与答案
【单选题】有4位举重运动员的体重分别为60、61、62、63公斤;另4位儿童的体重分别为15、16、17、18公斤;则举重运动员体重的变异程度与4位儿童体重变异程度关系
A.
前者大于后者
B.
后者大于前者
C.
两者相等
D.
两者无关
查看完整题目与答案
【单选题】63公斤;另4位儿童的体重分别为15、16、17、18公斤;则举重运动员体重的变异程度与4位儿童体重变异程度关系
A.
前者大于后者
B.
后者大于前者
C.
两者相等
D.
两者无关
查看完整题目与答案
【单选题】能正确表示条件x≥y≥z的C语言表达式是:
A.
x>=y&y>=z
B.
x>=y&&y>=z
C.
x>=y||y>=z
D.
x>=y AND y>=z
查看完整题目与答案
【单选题】能正确表示条件x≥y≥z的C语言表达式是( )。
A.
(x>=y)&(x>=z)
B.
(x>=y)&&(y>=z)
C.
(x>=y).AN
查看完整题目与答案
【单选题】It is reported that this medicine is _______ against lung cancer.
A.
economic
B.
easy
C.
expensive
D.
effective
查看完整题目与答案
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