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【判断题】
当电感元件上的电流不变化时,电感元件两端电压一定为零。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】合同签订以后可以更改内容吗？
A.
Our current contract is about to expire, and we’ll need to discuss a new one.
B.
Shall we draw up a draft of the contract？
C.
If everything is satisfactory, we can draw up a formal contract.
D.
Is it possible to change the details of the contract after it’s made?
【单选题】如果一切都满意，我们可以拟定一份正式合同了。
A.
1. Our current contract is about to expire, and we’ll need to discuss a new one.
B.
2. Shall we draw up a draft of the contract？
C.
3. If everything is satisfactory, we can draw up a formal contract.
D.
4. Is it possible to change the details of the contract after it’s made?
【单选题】如果一切都满意，我们可以拟定一份正式合同了。
A.
Our current contract is about to expire, and we’ll need to discuss a new one.
B.
Shall we draw up a draft of the contract？
C.
If everything is satisfactory, we can draw up a formal contract.
D.
Is it possible to change the details of the contract after it’s made?
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