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【简答题】
一长直螺线管的导线中通入10.0A的稳恒电流时，通过每匝线圈的磁通量为20μWb；当电流以4.0A/s的速率变化时，产生的自感电动势是3.2mV。求该螺线管的自感系数与总匝数。
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A.
Asking about his wife.
B.
Asking if he has now sent the late payment (which is what prompted you to call him in the first place).
C.
Hoping that he and his family are well.
D.
Asking him how his business is doing.
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【单选题】The telephoning expression "Thanks for calling" is used __________.
A.
at the beginning of telephoning
B.
to mean you're going to end talking
C.
to mean you want to say something else
D.
to mean you are tired of talking
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【单选题】I’m glad you’ve come; I am _______ telephoning you.
A.
at the point of
B.
to the point of
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hold on
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hang up
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pencil you in
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put me though to
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图形文件名、插入点、缩放比例、旋转角度
B.
图像文件名、插入点、缩放比例、旋转角度
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测力式滚筒制动试验台需要配备轴重计或轮重仪
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相关题目：
【单选题】You are telephoning your Nigerian distributor from HQ where you are based. How might you start the conversation?
A.
Asking about his wife.
B.
Asking if he has now sent the late payment (which is what prompted you to call him in the first place).
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D.
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【简答题】If she’s not at home, you ______ try telephoning her at the office. A．will B．could C．would D．need
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【单选题】I’m glad you’ve come; I am _______ telephoning you.
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hold on
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hang up
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pencil you in
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【单选题】插入光栅图像文件时,需指定以下()内容。
A.
图形文件名、插入点、缩放比例、旋转角度
B.
图像文件名、插入点、缩放比例、旋转角度
C.
块名、插入点、缩放比例、旋转角度
D.
插入点、缩放比例、旋转角度
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单纯疱疹病毒
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柯萨奇病毒
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流感病毒
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B.
测力式滚筒制动试验台需要配备轴重计或轮重仪
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查看完整题目与答案
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