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【单选题】
有一正弦电流,其初相位为 ,初始值为10A,则该电流的幅值为( )
A.
10 A
B.
20A
C.
10A
D.
10 A
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参考答案：
举一反三
【简答题】移动电子商务模式的判断标准有哪些?
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【单选题】根据税法规定，企业、单位和个人自领取工商行政管理部门核发的营业执照之日起(　　) 日内。持有关证件办理开业登记
A.
30
B.
40
C.
50
D.
90
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【单选题】Which of the following is a mathematical statement of the first law of thermodynamics?
A.
ΔV = (nR/P)ΔT
B.
ΔE = q + w
C.
ΔH = ΔE + PΔV
D.
ΔG = ΔH – TΔS
查看完整题目与答案
【单选题】停车现状中,路内停车场平均周转率为?
A.
5.0
B.
5.1
C.
5.2
D.
5.3
查看完整题目与答案
【单选题】According to the passage, which of the following is one of the first things to occur when cells are injured?
A.
The flow of electrical impulses through nerve cells at the site of the injury is broken.
B.
The production of substance P traveling through nerve cells to the brain increases.
C.
Endorphins begin to speed up the response of nerve cells at the site of the injury.
D.
A flood of prostaglandins sensitizes nerve endings at the site of the injury.
E.
Nerve cells connected to the spinal cord become electrically quiescent.
查看完整题目与答案
【单选题】一远视眼的近点在眼前1.5m处,要使其看清眼前15cm处的物体,则应配戴的眼镜为:( )
A.
-600度的凹透镜
B.
-750度的凹透镜
C.
600度的凸透镜
D.
750度的凸透镜
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【判断题】固定偏置式共发射极放大电路的电压增益较大,但输入电阻偏小。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Decide which sentences describe the present and which forecast weather. Write “P” for present or "F" for forecast. The first is done for you.
查看完整题目与答案
【单选题】Which of the following statement is NOT true?
A.
The relationship between D. H. Lawrence's parents may not be so good.
B.
D . H. Lawrence's mother was a woman of strong will.
C.
D.H. Lawrence's mother did not like her home at Eastwood.
D.
D.H. Lawrence was the first child in the family.
查看完整题目与答案
【单选题】根据税法规定，企业、单位和个人自领取工商行政管理部门核发的营业执照之日起（ ）13内，持有关证件办理开业登记。
A.
30
B.
40
C.
50
D.
90
查看完整题目与答案
相关题目：
【简答题】移动电子商务模式的判断标准有哪些?
查看完整题目与答案
【单选题】根据税法规定，企业、单位和个人自领取工商行政管理部门核发的营业执照之日起(　　) 日内。持有关证件办理开业登记
A.
30
B.
40
C.
50
D.
90
查看完整题目与答案
【单选题】Which of the following is a mathematical statement of the first law of thermodynamics?
A.
ΔV = (nR/P)ΔT
B.
ΔE = q + w
C.
ΔH = ΔE + PΔV
D.
ΔG = ΔH – TΔS
查看完整题目与答案
【单选题】停车现状中,路内停车场平均周转率为?
A.
5.0
B.
5.1
C.
5.2
D.
5.3
查看完整题目与答案
【单选题】According to the passage, which of the following is one of the first things to occur when cells are injured?
A.
The flow of electrical impulses through nerve cells at the site of the injury is broken.
B.
The production of substance P traveling through nerve cells to the brain increases.
C.
Endorphins begin to speed up the response of nerve cells at the site of the injury.
D.
A flood of prostaglandins sensitizes nerve endings at the site of the injury.
E.
Nerve cells connected to the spinal cord become electrically quiescent.
查看完整题目与答案
【单选题】一远视眼的近点在眼前1.5m处,要使其看清眼前15cm处的物体,则应配戴的眼镜为:( )
A.
-600度的凹透镜
B.
-750度的凹透镜
C.
600度的凸透镜
D.
750度的凸透镜
查看完整题目与答案
【判断题】固定偏置式共发射极放大电路的电压增益较大,但输入电阻偏小。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Decide which sentences describe the present and which forecast weather. Write “P” for present or "F" for forecast. The first is done for you.
查看完整题目与答案
【单选题】Which of the following statement is NOT true?
A.
The relationship between D. H. Lawrence's parents may not be so good.
B.
D . H. Lawrence's mother was a woman of strong will.
C.
D.H. Lawrence's mother did not like her home at Eastwood.
D.
D.H. Lawrence was the first child in the family.
查看完整题目与答案
【单选题】根据税法规定，企业、单位和个人自领取工商行政管理部门核发的营业执照之日起（ ）13内，持有关证件办理开业登记。
A.
30
B.
40
C.
50
D.
90
查看完整题目与答案
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