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以下是计算两个向量点积的程序段：float Dotproduct(float x[8], float y[8]){float sum=0.0;int i;for(i=0; i＜8; i++)sum+=X[i]*y[i];return sum;}请回答下列问题： 在上述第二小题中条件不变的情况下，将数组X定义为float[12]，则数据访问的命中率是多少
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Freezing to Death for BeautyPeople in Beijing wear a lot of clothing during winter to fend off (抵御) the cold. In the United States, however, people wear 1 , partly because the car is the primary mode of transportation. Cars take 2 straight to their workplaces, which are heated well. The American diet is full of calories, so their 3 can afford to burn heat more quickly.Fewer layers of clothing give people the opportunity to stay 4 . Lots of Yale girls wear skirts 5 when it"s 10 degrees Centigrade outside. Some of them at least wear boots, tights, and leg-warmers. Some, however, really just go for the look 6 the risk of health. These girls have no pants to prevent their 7 , and no socks to protect their feet. A mini skirt and a pair of stilettos (细高跟鞋) are all that they wear.Typically, the ones pursuing fashion are 8 , with little body fat. Just by the nature of their bodies, they are already at a disadvantage compared with normal people in 9 weather. I have always 10 , whenever I pass these girls, how they manage to refrain from shivering and just smile like spring had arrived.And then there are the guys. The girls can be said to 11 health for beauty. But why do guys 12 so little It is not like, once they take off some layers, they suddenly become better-looking. They are not exactly being fashionable when they 13 wear sporty (花哨的) shorts and shower slippers in the midst of winter. It"s not cute(喜人的).Of course, people have the freedom to look whatever 14 they want. I am just surprised that, given the vast difference between winter and summer temperatures in Connecticut, they can still 15 like they are partying on the beach in the middle of February.
假设二叉树采用二叉链存储结构存储，设计一个算法，求出根结点到给定某结点之间的路径，要求： 根据设计思想，采用C或C++语言描述算法，关键之处给出注释。
以下是计算两个向量点积的程序段：float Dotproduct(float x[8], float y[8]){float sum=0.0;int i;for(i=0; i＜8; i++)sum+=X[i]*y[i];return sum;}请回答下列问题： 将上述上一小题中的数据Cache改用2-路组相联映射方式，块大小改为8字节，其他条件不变，则该程序数据访问的命中率是多少
域名系统DNS的组成包括______。 Ⅰ．域名空间 Ⅱ．分布式数据库 Ⅲ．域名服务器 Ⅳ．从内部IP地址到外部IP地址的翻译程序
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