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山西交警毛丽在半年时间里给领导的车开了138张罚单，对此有网友说她是恒山脚下最美丽的女交警，也有网友说她“脑袋有问题”，对此你怎么看？

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听力原文：Woman: Hello, Marketing.
Man: Hello. This is Patrick Brown speaking. Can I speak to Paul Tench, please？
Woman: Oh, I'm sorry, but he is out on business this afternoon. Can I help you？
Man: Yes, please. I need to get a message to him.
Woman: Of course. Is tomorrow morning soon enough？
Man: Well, actually it's rather urgent. I'm calling about the meeting of the Finance Committee. I've been having some serious problems with the new software, and I'm not sure if I will have all the spread sheets ready for our meeting tomorrow afternoon. Can you ask Paul if we can postpone the meeting and have it on Wednesday, which I think was one of the alternative dates we discussed？
Woman: Well, the best I can do is to contact him at home this evening.
Man: Yes, that's a good idea. Thanks. Er, I'm not available this evening, but if he'd like to change it to another day, could you ask him to call my home number and leave the details with my wife. And she will be in all evening. I will be grateful if he could do that…
PHONE MESSAGE
To: Paul Tench
Re: (5) meeting.
Patrick Brown is unable to attend meeting arranged for (6) .
Can meeting be rearranged for (7) ？
If not, please leave a message with his (8) .
(5)

密码系统通常从3个独立的方面进行分类：置换密码和易位密码、分组密码和序列密码、【】。

Each of the nine squares in the grid marked 1A to 3C, should incorporate all the lines and

Merkle和Hellman在1978年提出【】，附加一定的限制条件在计算上不可实现。