题目内容
Dogs are social animals and without proper training, they will behave like wild animals. They will spoil your house, destroy your belongings, bark excessively, fight other dogs and even bite you. Nearly all behavior problems are perfectly normal dog activities that occur at the wrong time or place or are directed at the wrong thing. The key to preventing or treating behavior problems is that we learn to teach the dog to redirect its normal behavior to outlets that are acceptable in the domestic setting. One of the best things you can do for your dog and yourself is to obedience train (驯服) it. Obedience training doesn’t solve all behavior problems, but it is the foundation for solving just about any problem. Training opens up a line of communication between you and your dog. Effective communication is necessary to instruct your dog about what you want it to do. Training is also an easy way to establish the social rank order. When your dog obeys a simple request of "come here, sit," it is showing obedience and respect for you. It is not necessary to establish yourself as top dog or leader of the dog pack (群) by using extreme measures. You can teach your dog its subordinate (从属的) role by teaching it to show submission to you. Most dogs love performing tricks for you to pleasantly accept that you are in charge. Training should be fun and rewarding for you and your dog. It can enrich your relationship and make living together more enjoyable. A well trained dog is more confident and can more safely be allowed a greater amount of freedom than an untrained animal. Why do pet dogs love performing tricks for their masters
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Is Your Child’s Stomach Pain All in His Head We all know there are times that kids seem to complain (51) a stomach ache to get out of chores or going to school. Don’t be so sure that the pain they (52) is all in their minds. We’re learning more now about a condition (53) "functional abdominal pain" that is experienced by millions of kids every day. Like many teenagers, Kyle Brust makes it a point to do his homework: as (54) as he gets home. Unlike most, Kyle often did his with a terrible stomach ache. In fact, the (55) often started while he was at school, but getting help there was getting harder. "Some of my teachers wouldn’t let me go, because I’d asked so many times before and they thought I was trying to get out of (56) ." says Kyle. Kyle’s mom Marilyn says she couldn’t blame the (57) . After all, she’d taken him to the doctor several times herself, and even they couldn’t find anything (58) . "You know, you’re running the tests and nothing’s coming up. So, is it in his head, is he just an extremely stressful child It’s just frustrating (59) we’re not finding any answers. " says Marilyn. It turns out Kyle was suffering from a condition known (60) functional abdominal pain, that affects as many as one out of every ten kids in this country. Even (61) the cause of the pain may not be obvious, there are real consequences. "It really does hurt, and these kids really do suffer. " says Dr. Campo, MD at Nationwide Children’s Hospital. To help (62) , Campo is looking into a new approach. He’s conducting clinical trials of an antidepressant that changes the way the body handles a chemical called serotonin. In a preliminary study, Dr. Campo found that in about eight out of ten (63) , the drug normally used to treat emotional pain worked to ease the pain in the (64) . "We think about it as being important in anxiety and depression and that’s all quite true, but what’s really interesting is that 95% of our body’s serotonin is in our gut. " says Campo. Campo believes these kids have extremely sensitive intestines, and controlling the effects of serotonin may (65) ease the pain. It seemed to .work for Kyle, who is now completely pain free for the first time in years.
Is Your Child’s Stomach Pain All in His Head We all know there are times that kids seem to complain (51) a stomach ache to get out of chores or going to school. Don’t be so sure that the pain they (52) is all in their minds. We’re learning more now about a condition (53) "functional abdominal pain" that is experienced by millions of kids every day. Like many teenagers, Kyle Brust makes it a point to do his homework: as (54) as he gets home. Unlike most, Kyle often did his with a terrible stomach ache. In fact, the (55) often started while he was at school, but getting help there was getting harder. "Some of my teachers wouldn’t let me go, because I’d asked so many times before and they thought I was trying to get out of (56) ." says Kyle. Kyle’s mom Marilyn says she couldn’t blame the (57) . After all, she’d taken him to the doctor several times herself, and even they couldn’t find anything (58) . "You know, you’re running the tests and nothing’s coming up. So, is it in his head, is he just an extremely stressful child It’s just frustrating (59) we’re not finding any answers. " says Marilyn. It turns out Kyle was suffering from a condition known (60) functional abdominal pain, that affects as many as one out of every ten kids in this country. Even (61) the cause of the pain may not be obvious, there are real consequences. "It really does hurt, and these kids really do suffer. " says Dr. Campo, MD at Nationwide Children’s Hospital. To help (62) , Campo is looking into a new approach. He’s conducting clinical trials of an antidepressant that changes the way the body handles a chemical called serotonin. In a preliminary study, Dr. Campo found that in about eight out of ten (63) , the drug normally used to treat emotional pain worked to ease the pain in the (64) . "We think about it as being important in anxiety and depression and that’s all quite true, but what’s really interesting is that 95% of our body’s serotonin is in our gut. " says Campo. Campo believes these kids have extremely sensitive intestines, and controlling the effects of serotonin may (65) ease the pain. It seemed to .work for Kyle, who is now completely pain free for the first time in years.
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Priscilla Ouchida’s "energy efficient" house turned out to be a horrible dream. When she and her engineer husband married a few years ago, they built a $100,000, three-bedroom home in California. Tightly sealed to prevent air leaks, the house was equipped with small double paned (双层玻璃的) windows and several other energy saving features. Problems began as soon as the couple moved in, however. Priscilla’s eyes burned. Her throat was constantly dry. She suffered from headaches and could hardly sleep. It was as though she had suddenly developed a strange illness. Experts finally traced the cause of her illness. The level of formaldehyde (甲醛) gas in her kitchen was twice the maximum allowed by federal standards for chemical workers. The source of the gas Her new kitchen cabinets and wall to wall carpeting. The Ouchidas are victims of indoor air pollution, which is not given sufficient attention partly because of the nation’s drive to save energy. The problem itself isn’t new. "The indoor environment was dirty long before energy conservation came along. " says Moschandreas, a pollution scientist at Geomet Technologies in Maryland. "Energy conservation has tended to accentuate the situation in some cases. " The problem appears to be more troublesome in newly constructed homes rather than old ones. Back in the days when energy was cheap, home builders didn’t worry much about unsealed cracks. Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour. As a result, the pollutants generated in most households seldom built up to dangerous levels. What made the Ouchidas’ new house a horrible dream
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