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【单选题】
通过拆除蓄电池负极来断整车高压电的实质性原理是?( )A.
断开蓄电池负极后，动力电池包就断开了连接。
B.
断开蓄电池负极后，动力电池包内部断开。
C.
断开蓄电池负极后，电机系统停止工作。
D.
断开蓄电池负极后，动力电池包的管理控制器（BMS）停止工作。
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举一反三
【简答题】在现代市场经济条件下,有三种采购方式可以进入电子商务,即____、____与____。
【简答题】从方框内选择恰当的句子，补全对话。 W: Hi, Li Qiang. M: Hi, Lucy. W: It's December 23. Christmas Day (圣诞节) is coming, do you know? M: Yes, the day after tomorrow. _______ (1) W: _______ (2) M: There are three important...
【单选题】-M: Merry Christmas! -W: ________
A.
Oh, thanks to you!
B.
Happy New Year!
C.
The same to you!
D.
I never celebrate it!
【单选题】From the passage we can infer that
A.
electronic mail will soon play a dominant role in transmitting messages.
B.
it will become mere difficult for people to keep secrets in an information era.
C.
people will spend less time holding meetings or conferences.
D.
events will be reported on the spot mainly through satellites.
【单选题】听力原文：W: Harry, the Christmas is coming soon. Let's go shopping for some presents. M: Oh, God. Leave me alone. What do we learn from the dialogue?
A.
Christmas is coming soon.
B.
Harry is not going to do Christmas shopping.
C.
The two speakers are doing Christmas shopping.
【简答题】At Christmas 1085, William I resolved to send commissions of enquiry all over the country to do a survey. The results were recorded in .
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