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男子这便起身，既然如此，你在北京留几日，等着官复原职就可以了。The real limiting factor for a single attacker who uses spoofing attacks is that if these spoofed packets can be traced back to their real addresses in some way, the attacker will be simply defeated. Although the backtracking process requires some time and cooperation between ISPs, it is not impossible. However, it will be more difficult to prevent distributed SYN flooding attacks launched by attackers using the advantage of the number of hosts in the network. As shown in FIG. 3, these host groups can use direct attacks or further let each host use spoofing attacks.Test Output:Link: https://www.zhihu.com/question/44712155/answer/98597003少女武则天被唐太宗选为才人，太宗患病，武则天与太子李治产生恋情。太宗驾崩，李治即位，是为高宗。高宗喜女色不好政治，将武则天封为宸妃。武则天具有强烈的政治野心，将侄子武三思等安插在军机部门位居要职。为清除异己，武则天不惜亲手掐死自己女儿以嫁祸王皇后。王皇后被废，武则天被尊为天后，开始展示惊人的政治才能。高宗去世后，武则天废掉儿子中宗，自号“圣神皇帝”，改国号为周，进行了大刀阔斧的政治改革……4. If no receiver processes the request, the request will leave the chain.