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急性肠炎时

A. 腹痛伴呕吐宿食
B. 腹痛伴血尿
C. 腹痛伴腹泻
D. 腹痛伴休克
E. 腹痛伴腹部肿块

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Hawaii, the newest state in the United States, is a (21) of eight large islands and many small (22) in the Central Pacific Ocean, about 2,200 miles west of San Francisco. Hawaii was probably (23) about 750 A. D. , by (24) from the other Pacific islands. The first Europeans (25) Americans to visit it were the British Captain James Cook and his (26) in 1778. James named his discovery the Sandwich Islands (27) the sponsor of his expedition, the Earl of Sandwich. Twelve years later, the others from Europe and the new United States began to settle in the islands. These "westerners" brought (28) to Hawaii. They brought new diseases, which the Hawaiians had no (29) to; they brought alcohol, which many Hawaiians became (30) to; they brought a new religion which (31) the old values and forced the islanders to (32) their old culture and (33) to a new one. Many Americans settled in Hawaii, and in 1893, they (34) the queen and (35) Hawaii a republic. Sandford Dole, a missionary’s son, was made president. In 1898, the United States (36) the islands, and it became a (37) of the United States in 1900. On December 7th, 1941, the Japanese (38) Pearl Harbor, Hawaii. This attack (39) the entrance of the United States to the Second World War. In 1959, the United States Congress (40) Hawaii to statehood, making it the fiftieth state in the United States. For the first time in about 200 years, Hawaiians were able to participate in the electoral process.

A. bother
B. distress
C. plague
D. trouble

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()

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

A. The reasons why we should respect the welfare of captive animals.
B. The influence of poor animal welfare on quality of animal science.
C. The numbers of animals they can use for experiments and tests.
D. The moral obligation to minimize the suffering of captive animals.

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 ______.

A. did not have the same interests as their neighbors
B. could not develop long-standing relationships
C. tended to be associated with bad behavior
D. usually had more friends

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