《完形填空——必背文章汇总》由会员分享，可在线阅读，更多相关《完形填空——必背文章汇总（6页珍藏版）》请在金锄头文库上搜索。
1、第三节 完形填空 必背文章汇总1 Eat for a Good andHealthful LifeFood keeps us alive. It is our sustenance and our pleasure. But recently, research has shown that the eating habits of the average Americans may be dangerous to future health.The foods Americans now choose are oftentimes too rich in calories and fats,
2、 so this article reports a new study: Diet and Health, Implications for Reducing Chronic Disease Risk.The study, conducted by the National Research Councils Committee on Diet and Health, concludes that balancing nutrition, calories and activity is key to enjoying a long and healthful life.The report
3、 recommends that most Americans increase physical activity to a moderate level and make changes in food choices and calories intake to maintain ideal weight.Most of us - even those of us at ideal weight - need to eat less fat so that no more than 30% of our daily calories will come from fat.That mea
4、ns cutting down on red meat and whole milk dairy products. Indeed, eat fish, chicken without skin, lean meats, and low - fat and no - fat dairy products.The report of the Committee on Diet and Health recommends we eat five or more 1/2 - cup servings of vegetables and fruits daily - especially green
5、and yellow vegetables and citrus fruits.Eating more fruits and vegetables doesnt have to mean increased calories intake. Many plant foods are nutrient - rich; they provide many vitamins and minerals for very few calories.Nutrient - rich foods are particularly important for Americans over 50. As we a
6、ge, we need to eat less because our bodies need fewer calories to function properly. But we still need full measures of vitamins and minerals to release the energy in our foods and make us feel strong and healthy. 卫生类C为好而健康的生活而吃饭食品维持着我们的生存.它是我们的营养品也是我们的乐趣.但近来的研究表明,普通美国人的饮食习惯对未来健康可能是危险的.美国人现在所选择的食物常常
7、富含卡洛里和脂肪.所以这篇文章将报道一项新的研究:饮食与健康,减少慢性病风险的暗示.这次由国家卫生饮食调查委员会进行的调查得出的结论认为:营养的均衡,卡洛里以及活动是健康长寿的关键.报告建议大多数美国人把活动提高到一个适当的程度并且要改变对食物的选择和卡洛里的摄入以保持理想的体重.大多数人甚至那些体重理想的人必须少吃脂肪,以使我们所摄入的脂肪的卡洛里不超过30%.这意味着少吃牛羊肉以及各种各样的乳品.确实,要吃些鱼,不带皮的鸡肉,瘦肉以及低脂肪的或脱脂肪乳制品.卫生饮食委员会建议大家每天吃5份或5份半的水果和蔬菜特别是绿色和黄色蔬菜以及柑橘类水果.吃更多的水果和蔬菜不一定就意味着卡洛里摄入量的
8、提高.许多来源于植物的食品维生素和矿物质很多,含热量却很少.对于50岁以上的美国人,营养丰富的食品尤为重要.当我们变老时,我们必须吃得更少,因为我们的身体发挥正常机能所需的卡洛里减少.但我们仍然需要从食物中获得足量的维生素和矿物质来释放能量,以使我们健康强壮.卫生类C2 One Good Reason to Let Smallpox LiveIts now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achieveme
9、nt of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it-one in the US and one in Russia. If smallpox had truly gone from the planet, what point was there in keeping these reserves In reality, of course, it was native to i
10、magine that everyone would let go of such a potent potential weapon. 1 Undoubtedly several nations still have several. And the last official stocks of live virus bred mistrust of the US and Russia, for no obvious gain.Now American researchers have found an animal model of the human disease, opening
11、the way for tests on new treatments and vaccines. So one again theres a good reason to keep the virus-just in case the disease puts in a reappearance.How do we deal with the mistrust of the US and Russia Simple. Keep the virus under international auspices in a well-guarded UN laboratory thats open t
12、o all countries. The US will object, of course, just as it rejects a multilateral approach to just about everything. But it doesnt mean the idea is wrong. If the virus is useful, the lets make it the servant of all humanity-not just a part of it. 综合类B,理工类C,卫生类C一个让天花存在的好理由目前很可能我们永远都不会看到天花的彻底绝迹.这个观念掩盖
13、1980年的光辉成就,那时消灭了最后两个拥有这种致命病毒的实验室的病毒后.四处蔓延的天花已经被根除了.那两个实验室,一个在美国,一个在俄国.如果天花真的在这个星球上消失了,那么保留这些储备的意义何在 当然,事实上想像每个人都会放弃这样一种有效的潜在的武器是幼稚的.无疑,几个国家仍旧有几瓶.美俄最后的官方的活病毒储备引起大家对这两个国家的不信任,因为并没有获得明显的收获.现在美国研究者们发现了人类疾病的动物版,为试验新的治疗方法和新的疫苗开辟了道路.因此,再次存在着一个保存病毒的理由万一这种病卷土重来.我们怎样应付对美国和俄国的不信任呢 很简单.把病毒放在国际赞助的,被严密监视和向所有国家开放的
14、联合国实验室中.针对的对象当然是美国,因为它反对任何事务的多边化.但是这并不意味着这个想法是错的.如果病毒是有用的,那么让我们把它变成全人类的奴仆而不是一部分人的.综合类B,理工类C,卫生类C3 Diet, Alcohol Linked toNearly One Third of CancersDiet is second only to tobacco as a leading cause of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease in deve
15、loped countries, a leading researcher said on Tuesday.Dr. Tim Key, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to cancer, but they know that diet, alcohol and obesity play a major role.Five percent of cancers could be avoid
16、ed if nobody was obese, he said.While tobacco is blinked to about 30 percent of cancer cases, diet is involved in an estimated 25 percent and alcohol in about six percent.Obesity raises the risk if breast, wind, bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous impact is increased when combined with smoking.Key told the mee
