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简述教育对政治经济制度的作用。
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中小学生是在国家法律认可的各类中等或初等学校或教育机构中接受教育的（）。
第三篇Trying to Find a Parther One of the most striking findings of a recent poll in the UK is that of the people inbterviewed,one in two believes that it is becoming more difficult to meet someone to start a family with. Why are many finding it increasingly difficult to start and sustain intimate relationshipsDoes modern life really make it harder to fall in loveOr are we making it harder for ourselves It is certainly the case today that contemporary couples benefit in different ways from relationships.Women no longer rely upon partners for economic security or status.A man doesn’t expect his spouse to be in sole charge of running his household and raising his children. But perhaps the knowledge that we can live perfectly well without a partnership means that it takes much more to persuade people to abandon their independence. In theory,finding a partner should be much simpler these days.Only a few generations ago,your choice of soulmate (心上人) was constrained(限制) by geography,social convention and family tradition.Although it was never explicit,many marriages were essentially arranged. Now those barriers have been broken down.You can approach a builder or a brain surgeon in any bar in any city on any given evening.When the world is your oyster (牡蛎),you surely have a better chance of finding a pearl. But it seems that the old conventions have been replaced by an even tighter constraint:the tyranny of choice. The expectations of partners are inflated(提高) to an unmanageable degree:good looks,impressive salary,kind to grandmother,and right socks.There is no room for error in the first impression. We think that a relationship can be perfect.If it isn’t,it is disposable.We work to protect ourselves against future heartache and don’t put in the hard emotional labor needed to build a strong relationship.Of course,this is complicated by realities.The cost of housing and child-rearing creates pressure to have a stable income and career before a life partnership. Which of the following was NOT a constraint on one’s choice of soulmate in the old days （）
课程不仅规定了各门学科的目的、内容及要求，而且规定了各学科设置的程序和课时分配，（）和学周的安排。
第二篇Study Says Dogs Can Smell Cancer Dogs are known for their sense of smell.They can find missing people and things like bombs and illegal drugs.Now a study suggests that the animal known as man’s best friend can even find bladder(膀胱)cancer. Cancer cells are thought to produce chemicals with unusual odors(气味).Researchers think dogs have the ability to smell these odors,even in very small amounts,in urine(尿).The sense of smell in dogs is thousands of times better than in humans. The study follows reports of cases where,for example,a dog showed great interest in a growth on the let of its owner.The mole(痣)was later found to be skin cancer. Carolyn Willis led a team of researchers at Amersham Hospital in England.They trained different kinds of dogs for the experiment.The study involved urine collected from bladder cancer patients,from people with other diseases and from healthy people. Each dog was tested eight times.In each test there were seven samples for the dogs to smell.The dog was supposed to signal the one from a bladder cancer patient by lying down next to it. Two cocker spaniels(短腿长毛垂耳小猎犬)were correct fifty-six percent of the time.But the scientists reported an average success rate of forty-one percent. As a group,the study found that the dogs chose the correct sample twenty-two out of fifyt-four times.That is almost three times more often than would be expected by chance alone. The British Medical Journal published the research.In all,thirty-six bladder cancer patients and one hundred and eight other people took part. During training,all the dogs reportedly even identified a cancer in a person who had tested healthy before the study.Doctors found a growth on the person’s right kidney(肾). Bladder cancer is the ninth most common cancer worldwide.The International Agency for Research on Cancer says this disease kills more than one hundred thousand people each year.Doctors say cigarette smoking is the leading cause of bladder cancer. The person who had tested healthy before the study （）
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