【判断题】【消耗次数：1】
直流电机中电刷的作用是把转动的电枢与外电路相连。
①
正确
②
错误
参考答案：
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logic
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practical
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magical
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logical
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He left in such a hurry that I _______ had time to thank him.
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almost
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even
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hardly
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nearly
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a large number
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the large number
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a large amount
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the large a mount
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It doesn’t matter.
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What a pity! I’m sorry.
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The same to you.
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Thanks.
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正确
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Could you be so kind as to turn down that rock “n” roll? I am preparing for tomorrow’s exam.____________
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It’s none of your business.
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What are you doing?
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Sure. Sorry to disturb you.
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No, I don’t think so.
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run away with
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run down
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Its very far.
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Its well known.
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That’s true.
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It’s hard to say.
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