题目内容

14．We must get up at 7：00tomorrow morning，_____we will be late for the meeting．（　　）
A．andB．orC．but

分析 我们明天早晨必须在7点钟起床，否则我们开会要迟到了．

解答 答案：B and，和，表示并列关系；or，或者，否则，要不然；表示条件关系；but，但是，表示转折；根据句中信息，"get up at 7：00tomorrow morning""we will be late for the meeting"二者之间是条件关系，即"在7点钟起床"是"不迟到"的条件；故选B．

点评 利用给出的四个连词的相关语法知识进行分析比较，通过题干中的已供信息，捕捉到解题线索，从而得出正确答案．

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