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BioDiet PlusSafe and Effective Mood, Energy, and Weight Loss Formula (配方)Increase energy levelsImprove mood and feel relaxed without drowsinessSpeed-up metabolism (新陈代谢)Burn existing fatBreak down fats in the food you eatThis highly effective fat-burning formula is achieved with a blend of metabolic (新陈代谢 ) compounds including Bitter Orange, Green Tea Extract and Lipase Enzyme (breaks down fat).The high purity blend of all natural fat burning ingredients make BioDiet Plus the most effective weight loss product currently on the market. We are convinced that after trying BioDiet Plus, you will be completely satisfied. That’s why we offer a 100% money back guarantee!Suggested Usage: As a dietary supplement, take two capsules (胶囊) before breakfast and two capsules at mid-afternoon with 8 ounces of water. Do not take in the evening. Do not exceed four capsules per day.Caution: Keep out of the reach of children. Not intended for persons under 18 years of age. Do not use ff you are pregnant or nursing or at risk of or being treated for high blood pres sure, or suffer from heart disease.If you are not completely satisfied with this product, return the unused portion for a full product purchase price refund.BioDiet PlusIngredients: Bitter Orange, (1) and Lipase Enzyme (breaks down fat)Directions: 1. Take two capsules before breakfast and two capsules (2) 2. Do not take in the evening.3. Do not (3) per day.Warning: Do not use if you are under 18, pregnant or nursing, or suffering from (4) or heart disease.Guarantee: Return the (5) for a refund if you are not completely satisfied with this product. 3（）
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Don’t Treat Animals as Furry Test-tubes Most of us agree that there is a moral obligation to minimize the suffering of any captive animals. In addition, there are numerous self-serving reasons why we should respect the welfare of our captive companions. However, the impact of poor animal welfare on the quality of animal science always concerns a scientist the most. Rodents(灵长类动物) make up over 80% of the animals used in scientific procedures, and most are kept in small, barren cages. Such housing is known to constrain normal development, affecting the structure and function of adult rodent brains. These rodents may spend 50% of waking hours performing repetitive activities without apparent purpose. This abnormal behavior is likely to reflect what is going on inside the body. As ethnologist Hanno Wfirbel, of the Justus Liebig University of Giessen, Germany, puts it," The point that the environment might change behavior but it doesn’t change biology is ridiculous. Every behavior has a physiological background." If welfare affects behavior, and therefore biology, it will affect scientific outcomes. As long as we continue to treat experimental animals as simple" furry test-tubes", ignoring their abilities and needs, we endanger the quality of the work we do with them. So, how can we improve life for other species when we cannot experience it as they do We’d better ask the animals. Ask them what they need, and what causes them suffering, through carefully designed preference tests and in-depth behavioural research. Scientists have already begun this task, and have been told some important and unexpected facts by their study subjects. By consistently self-medicating with pain killers, broiler chickens (嫩鸡) have told us that they are in chronic pain. By moving a barrier twice their size, mink (水貂) have told us that water baths are the most important enrichment for them. By only stopping their fruitless stereotypic digging in certain circumstances, gerbils(沙鼠) have told us that they need to be able to sleep in tunneled nest-boxes. By behaving normally again, starlings have told us that they need high frequency light bulbs. What are scientists most concerned about according to the first paragraph
Passage 3 Not too many decades ago it seemed "obvious" both to the general public and to sociologists that modern society has changed people’s natural relations, loosened their responsibilities to kin and neighbors, and substituted in their place superficial relationships with passing acquaintances. However, in recent years a growing body of research has revealed that the "obvious" is not true. It seems that if you are a city resident, you typically know a smaller proportion of your neighbors than you do if you are a resident of a smaller community. But, for the most part, this fact has few significant consequences. It does not necessarily follow that if you know few of your neighbors you will know no one else. Even in very large cities, people maintain close social ties within small, private social worlds. Indeed, the number and quality of meaningful relationships do not differ between more and less urban people. Smalltown residents are more involved with kin that are big-city residents. Yet city dwellers compensate by developing friendships with people who share similar interests and activities. Urbanism may produce a different style of life, but the quality of life does not differ between town and city. Nor are residents of large communities any likelier to display psychological symptoms of stress or alienation, a feeling of not belonging, than are residents of smaller communities. However, city dwellers do worry more about crime, and this leads them to a distrust of strangers. These findings do not imply that urbanism makes little or no difference. If neighbors are strangers to one another, they are less likely to sweep the sidewalk of an elderly couple living next door or keep an eye out for size and its social heterogeneity. For instance, sociologists have found much evidence that the size of more likely than their small-town counterparts to have a cosmopolitan outlook, to display less responsibility to traditional kinship roles, to vote for leftist political candidates, and to be tolerant of nontraditional religious groups, unpopular political groups, and so-called undesirables. Everything considered, heterogeneity and unusual behavior seem to be outcomes of large population size. According to the passage, it was once a common belief that urban residents ______.
Passage 1 The changing profile of a city in the United States is apparent in the shifting definitions used by the United States Bureau of the Census. In 1870 the census officially distinguished the nation’s "urban" from its "rural" population for the first time. "Urban population" was defined as persons living in towns of 8,000 inhabitants or more. But after 1900 it meant persons living in incorporated places having 2,500 or more inhabitants. Then, in 1950 the Census Bureau radically changed its definition of "urban" to take account of the new vagueness of city boundaries. In addition to persons living in incorporated units of 2,500 or more, the census now included those who lived in unincorporated units of that size, and also all persons living in the densely settled urban fringe, including both incorporated and unincorporated areas located around cities of 50,000 inhabitants or more. Each such unit, conceived as an integrated economic and social unit with a large population nucleus, was named a Standard Metropolitan Statistical Area (SMSA). Each SMSA would contain at least (a) one central city with 50,000 inhabitants or more or (b) two cities having shared boundaries and constituting, for general economic and social purposes, a single community with a combined population of at least 50,000, the smaller of which must have a population of at least 15,000. Such an area included the county in which the central city is located, and adjacent counties that are found to be metropolitan in character and economically and socially integrated with the county of the central city. By 1970, about two-third of the population of the United States was living in these urbanized areas, and of that figure more than half were living outside the central cities. With the Census Bureau and the United States government used the term SMSA (by 1969 there were 233 of them), social scientists were also using new terms to describe the elusive, vaguely defined areas reaching out from what used to be simple "towns" and "cities". A host of terms came into use: "metropolitan regions", "polynucleared population groups", "metropolitan clusters", and so on. What does the passage mainly discuss
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