题目内容
include
main()
{ int a=37；
a％=9；printf("％d＼n"，a)；
}
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Dreams
Of all the components of a good night&39;s sleep, dreams seem to be least within our control. In dreams, a window opens into a world where logic is suspended and dead people speak. A century ago, Freud formulated this revolutionary theory that dreams were the disguised shadows of our unconscious desires and fears; by the
late 1970s, neurologists had switched to thinking of them as just "mental noise" -- the random byproducts of the neural-repair work that goes on during sleep. Now researchers suspect that dreams are part of the mind&39;s emotional thermostat, regulating moods while the brain is "off-line" . And one leading authority says that these intensely powerful mental events can be not only harnessed but actually brought under conscious control, to help us sleep and feel better. "It&39;s your dream, " says Rosalind Cartwright, chair of psychology at Chicago&39;s Medical Center, "If you don&39;t like it, change it. "
Evidence from brain imaging supports this view. The brain is as active during REM (rapid eye movement ) sleep --when most vivid dreams occur -- as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh. But not all parts of the brain are equally involved; the limbic system (the "emotional brain" ) is especially active, while the prefrontal cortex (the center of intellect and reasoning ) is relatively quiet. "We wake up from dreams happy or depressed, and those feelings can stay with us all day, " says Stanford sleep researcher Dr. William Dement.
The link between dreams and emotions shows up among the patients in Cartwright&39;s clinic. Most people seem to have more bad dreams early in the night, progressing toward happier ones before awakening, suggesting that they are working through negative feelings generated during the day. Because our conscious mind is occupied with daily life we don&39;t always think about the emotional significance of the day&39;s events -until, it appears, we begin to dream.
And this process need not be left to the unconscious. Cartwright believes one can exercise conscious control over recurring bad dreams. As soon as you awaken, identify what is upsetting about the dream. Visualize how you would like it to end instead; the next time it occurs, try to wake up just enough to control its course. With much practice people can learn to, literally, do it in their sleep.
At the end of the day, there&39;s probably little reason to pay attention to our dreams at all unless they keep us from sleeping or "we wake up in panic, " Cartwright says. Terrorism, economic uncertainties and general feelings of insecurity have increased people&39;s anxiety. Those suffering from persistent nightmares should seek
help from a therapist. For the rest of us, the brain has its ways of working through bad feelings. Sleep—or rather dream -- on it and you&39;ll feel better in the morning.
Researchers have come to believe that dreams__________ 查看材料
We like to see murderers and thieves end up in prison. If they are【46】e______as a consequence of being filmed by security cameras, having their phone calls【47】1______to or their email messages read,【48】m______just be the weapon we have long been looking for in our war against them. Recent【49】s______breakthroughs have also made it possible to solve crimes that took place decades【50】a______, so that just about any story can be worked out from its ending. This, too, is good news; if it is true it means that there really is no hiding place for the wrongdoer,【51】______the police will always get their man, and that crime doesn’t pay.
The worrying thing is, of course, that it is not just the【52】______(crime) who are being watched. All of us have now become the stars of films made in shops, car parks and the high street. Records are kept, and sometimes【53】______(sell) , of the numbers we most often phone, while the emails we like to think of as being private and【54】______(person) are copied and stored by persons unknown. Some say this is the price of freedom【55】f______crime, and that the innocent have nothing to fear.
(16)
How to Lose Weight Properly
Researchers stress that we need diet and exercise to drop pounds. "The most ____51____ way to lose weight is with a combination," says Rena Wing, head of the National Weight Control Center.
____52____ experts also admit that many ____53____ losers find it helps to ____54____ on one or the other. "A lot of people feel helpless at the thought of ____55____ everything--diet, lifestyle," says Bess Marcus,professor of human behavior. at Brown University Medical School. "So ask yourself, &39; ____56____ do I want to start？ What am I willing to focus on？&39;"
The ____57____ depends on everything from what you hope to ____58____ to how our life is ____59 .____
If you are in a big hurry to drop pounds ____60____, dieting is the way to go. Decades of ____61____ have shown it&39;s the surest and quickest method. If you are more ____62____ with how you look than with numbers on the scale, though, ____63____ may be the way go to. By increasing physical activity, you&39;ll ____64____ fat and build muscle tissue.____65____ often end up losing both fat and muscle tissue.
Your best approach is one that suits your lifestyle. If you&39;ve tried and fail at one approach, consider the other. "A lot of people have so disappointed that they begin to think they&39;ll never be able to lose weight," says Marcus. "That&39;s when it&39;s time to try something new. Even a small step forward can help people regain confidence and convince themselves they can make even bigger changes."
＞
__________ 查看材料
【说明】
所谓货郎担问题，是指给定一个无向图，并已知各边的权，在这样的图中，要找一个闭合回路，使回路经过图中的每一个点，而且回路各边的权之和最小。
应用贪婪法求解该问题。程序先计算由各点构成的所有边的长度(作为边的权值)，按长度大小对各边进行排序后，按贪婪准则从排序后的各边中选择边组成回路的边，贪婪准则使得边的选择按各边长度从小到大选择。
函数中使用的预定义符号如下：
define M 100
typedef struct{/*x为两端点p1、p2之间的距离，p1、p2所组成边的长度*/
float x;
int p1, p2;
}tdr;
typedef struct{/*p1、p2为和端点相联系的两个端点，n为端点的度*/
int n, P1, p2;
}tr;
typedef struct{/*给出两点坐标*/
float x,y;
}tpd;
typedef int tl[M];
int n=10;
【函数】
float distance(tpd a,tpd b);/*计算端点a、b之间的距离*/
void sortArr(tdr a[M], int m);
/*将已经计算好的距离关系表按距离大小从小到大排序形成排序表，m为边的条数*/
int isCircuit(tr[M], int i, int j);
/*判断边(i, j)选入端点关系表r[M]后，是否形成回路，若形成回路返回0*/
void selected(tr r[M], int i, int j);/*边(i,j)选入端点关系表r*/
void course(tr r[M], tl 1[M]);/*从端点关系表r中得出回路轨迹表*/
void exchange(tdr a[M], int m, int b);
/*调整表排序表，b表示是否可调，即是否有边长度相同的边存在*/
void travling(tpd pd[M], int n, float dist, t1 locus[M])
/*dist记录总路程*/
{
tdr dr[M];/*距离关系表*/
tr r[M];;/*端点关系表*/
int i, j, k, h, m;/*h表示选入端点关系表中的边数*/
int b;/*标识是否有长度相等的边*/
k=0;
/*计算距离关系表中各边的长度*/
for(i=1;i＜n;i++){
for(j=i+1;j＜=n;j++){
k++;
dr[k].x=(1);
dr[k].p1=i;
dr[k].p2=j;
}
}
m=k;
sortArr(dr,m);/*按距离大小从小到大排序形成排序表*/
do{
b=1;
dist=0;
k=h=0;
do{
k++;
i=dr[k].p1;
j=dr[k].p2;
if((r[i].n＜=1)&&(r[j].n＜=1)){/*度数不能大于2*/
if((2)){
/*若边(i，j)加入r后形成回路，则不能加入*/
(3);
h++;
dist+=dr[k].x;
}else if((4)){
/*最后一边选入r成回路，则该边必须加入且得到解*/
selected(r,i,j);
h++;
&n
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