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【单选题】
函数 在约束条件 下的极值为
A.
极小值且为 ,无极大值
B.
极大值且为 ,无极小值
C.
极小值且为 ,无极大值
D.
极大值且为 ,无极小值
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参考答案：
举一反三
【单选题】The thief was caught ______ he was leaving the shop.
A.
after
B.
as
C.
before
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【判断题】为得到更好的滤波效果,可以将电容滤波和电感滤波混合使用而构成复式滤波电路。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】The thief was caught stealing money from the shop opposite the school and _________ by the local police at the moment.
A.
was questioned
B.
had questioned
C.
is being questioned
D.
has been questioning
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【简答题】complain 的名词形式是 () 2. condemn的名词形式是() 3. fertile 的反义词是 () 4. ripe 的动词形式是() 5. scarcity的形容词形式是()
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【单选题】“Stop thief! Stop thief!” But the thief was ________ by the crowd and we lost sight of it.
A.
drowned
B.
swallowed
C.
caught
D.
stopped
查看完整题目与答案
【单选题】Soon the thief was caught and fined five times______he should have paid.
A.
． as many money as
B.
． the amount of money
C.
． the money as  
D.
． more money as
查看完整题目与答案
【简答题】The thief was arrested by the policeman.
查看完整题目与答案
【多选题】电容滤波电路的特点是( )
A.
适用于小电流负载
B.
适用于负载电流较大的场合
C.
输出电压平均值较小
D.
输出电压平均值升高
查看完整题目与答案
【单选题】The thief was caught______ he was leaving the shop.
A.
as
B.
after
C.
before
查看完整题目与答案
【单选题】稠浸膏的含水量约为
A.
5％
B.
5％～10％
C.
10％
D.
15％～25％
E.
15％～20％
查看完整题目与答案
相关题目：
【单选题】The thief was caught ______ he was leaving the shop.
A.
after
B.
as
C.
before
查看完整题目与答案
【判断题】为得到更好的滤波效果,可以将电容滤波和电感滤波混合使用而构成复式滤波电路。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】The thief was caught stealing money from the shop opposite the school and _________ by the local police at the moment.
A.
was questioned
B.
had questioned
C.
is being questioned
D.
has been questioning
查看完整题目与答案
【简答题】complain 的名词形式是 () 2. condemn的名词形式是() 3. fertile 的反义词是 () 4. ripe 的动词形式是() 5. scarcity的形容词形式是()
查看完整题目与答案
【单选题】“Stop thief! Stop thief!” But the thief was ________ by the crowd and we lost sight of it.
A.
drowned
B.
swallowed
C.
caught
D.
stopped
查看完整题目与答案
【单选题】Soon the thief was caught and fined five times______he should have paid.
A.
． as many money as
B.
． the amount of money
C.
． the money as  
D.
． more money as
查看完整题目与答案
【简答题】The thief was arrested by the policeman.
查看完整题目与答案
【多选题】电容滤波电路的特点是( )
A.
适用于小电流负载
B.
适用于负载电流较大的场合
C.
输出电压平均值较小
D.
输出电压平均值升高
查看完整题目与答案
【单选题】The thief was caught______ he was leaving the shop.
A.
as
B.
after
C.
before
查看完整题目与答案
【单选题】稠浸膏的含水量约为
A.
5％
B.
5％～10％
C.
10％
D.
15％～25％
E.
15％～20％
查看完整题目与答案
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