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【单选题】
在RLC串联电路中，电容C可调，已知R=500Ω，L=60mH，要使电路对f=2820Hz的信号发生谐振，C值应调到( )。
A.
0.94μF
B.
0.11μF
C.
0.064μF
D.
0.053μF
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举一反三
【单选题】Which of the following sentences is an example of overgeneralization?
A.
Jane told me to give up smoking.
B.
Jane asked me to give up smoking.
C.
Jane advised me to give up smoking.
D.
Jane suggested me to give up smoking.
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【简答题】A．To give an example of natural shapes. B．To describe early sculpture. C．To illustrate their use as tools. D．To demonstrate their role as decorative objects.
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【单选题】用0.1 mol/L HCl滴定0.1 mol/L NH3水(pKb= 4.7)的pH突跃范围为6.3~4.3,若用0.1 mol/L HCl滴定0.1 mol/L pKb= 2.7的某碱, pH突跃范围为( )
A.
4.3~6.3
B.
6.3~2.3
C.
8.3~2.3
D.
8.3~4.3
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【单选题】用0.1 mol/L HCl滴定0.1 mol/L氨水(pKb = 4.7)的pH突跃范围为6.3~4.3， 若用0.1 mol/L HCl滴定0.1 mol/L pKb = 2.7的某碱，pH突跃范围为( )
A.
6.3~2.3
B.
8.3~2.3
C.
8.3~4.3
D.
4.3~6.3
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【简答题】Good morning. Today _________________ the strategy of captive pricing. _________________ , I'll define captive pricing, and _________________ I'm going to give you an example of an experience I had wi...
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【单选题】Why does the professor mention bones and shells?
A.
To give an example of natural shapes.
B.
To describe early sculpture.
C.
To illustrate their use as tools.
D.
To demonstrate their role as decorative objects.
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【判断题】群组对象功能可以将一些对象组合成-个整体,以后对这个整体的操作就像是对单个对象一样的简单。
A.
正确
B.
错误
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【单选题】在分娩的哪个阶段,胎盘和脐带从子宫排出?
A.
第二阶段
B.
第一阶段
C.
第三阶段
D.
第四阶段
查看完整题目与答案
【判断题】群组对象功能可以将一些对象组合成一个整体，以后对这个整体的操作就像是对单个对象一样的简单。
A.
正确
B.
错误
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【单选题】用0.1mol/L HCl滴定0.1mol/L NH 3 （pK b =4.7）的突跃范围为6.3~4.3，若用0.1mol/L HCl滴定0.1mol/L pK b =4.7的某碱，pH的突跃范围为（）
A.
6.3~2.3
B.
8.3~2.3
C.
8.3~4.3
D.
6.3~4.3
查看完整题目与答案
相关题目：
【单选题】Which of the following sentences is an example of overgeneralization?
A.
Jane told me to give up smoking.
B.
Jane asked me to give up smoking.
C.
Jane advised me to give up smoking.
D.
Jane suggested me to give up smoking.
查看完整题目与答案
【简答题】A．To give an example of natural shapes. B．To describe early sculpture. C．To illustrate their use as tools. D．To demonstrate their role as decorative objects.
查看完整题目与答案
【单选题】用0.1 mol/L HCl滴定0.1 mol/L NH3水(pKb= 4.7)的pH突跃范围为6.3~4.3,若用0.1 mol/L HCl滴定0.1 mol/L pKb= 2.7的某碱, pH突跃范围为( )
A.
4.3~6.3
B.
6.3~2.3
C.
8.3~2.3
D.
8.3~4.3
查看完整题目与答案
【单选题】用0.1 mol/L HCl滴定0.1 mol/L氨水(pKb = 4.7)的pH突跃范围为6.3~4.3， 若用0.1 mol/L HCl滴定0.1 mol/L pKb = 2.7的某碱，pH突跃范围为( )
A.
6.3~2.3
B.
8.3~2.3
C.
8.3~4.3
D.
4.3~6.3
查看完整题目与答案
【简答题】Good morning. Today _________________ the strategy of captive pricing. _________________ , I'll define captive pricing, and _________________ I'm going to give you an example of an experience I had wi...
查看完整题目与答案
【单选题】Why does the professor mention bones and shells?
A.
To give an example of natural shapes.
B.
To describe early sculpture.
C.
To illustrate their use as tools.
D.
To demonstrate their role as decorative objects.
查看完整题目与答案
【判断题】群组对象功能可以将一些对象组合成-个整体,以后对这个整体的操作就像是对单个对象一样的简单。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在分娩的哪个阶段,胎盘和脐带从子宫排出?
A.
第二阶段
B.
第一阶段
C.
第三阶段
D.
第四阶段
查看完整题目与答案
【判断题】群组对象功能可以将一些对象组合成一个整体，以后对这个整体的操作就像是对单个对象一样的简单。
A.
正确
B.
错误
查看完整题目与答案
【单选题】用0.1mol/L HCl滴定0.1mol/L NH 3 （pK b =4.7）的突跃范围为6.3~4.3，若用0.1mol/L HCl滴定0.1mol/L pK b =4.7的某碱，pH的突跃范围为（）
A.
6.3~2.3
B.
8.3~2.3
C.
8.3~4.3
D.
6.3~4.3
查看完整题目与答案