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[单选题]
The rest of that sunny winter afternoon was completely at his ______ for reading, exercising or entertaining.(1分)
A
disposal
B
proposal
C
survival
D
dismissal
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试题答案：
A
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They think that the countryside has stopped____.
2.The Crying GameAll normal human infants cry, although they vary a great deal in how much. A mysterious and still unexplained phenomenon is that crying tends to increase in the first few weeks of life, peak in the second or third month, and then decrease. Some babies in the United States cry so much during the peak period-often in excess of three hours a day-and seem so difficult to soothe that parents come to doubt their nurturing skills or begin to fear that their offspring (子孙后代) is suffering from a painful disease. Some mothers discontinue nursing and switch to bottle-feeding because they believe their breast milk is insufficiently nutritious and that their infants are always hungry. In extreme cases, the crying may provoke physical abuse, sometimes even precipitating (使发生) the infant's death.A look at another culture, the Kung San hunter-gatherers of southern Africa, provides us with an opportunity to see whether care-giving strategies have any effect on infant crying. Both the Kung San and Western infants escalate (使增强) their crying during the early weeks of life, with a similar peak at two or three months. A comparison of Dutch, American, and Kung San infants shows that the number of individual crying episodes are virtually identical. What differs is their length: Kung San infants cry about half as long as Western babies. This implies that care-giving can influence only some aspects of crying, such as duration.What is particularly striking about child-rearing among the Kung San is that infants are in constant contact with a caregiver; they are carried or held most of the time, are usually in an upright position, and are breast-fed about four times an hour for one to two minutes at a time. Furthermore, the mother almost always responds to the smallest cry or fret (烦躁) within ten seconds.I believe that crying was adaptive for our ancestors. As seen in the contemporary Kung San, crying probably elicited a quick response, and thus consisted of frequent but relatively short episodes. This pattern helped keep an adult close by to provide adequate nutrition as well as protection from predators. I have also argued that crying helped an infant forge a strong attachment with the mother and-because new pregnancies are delayed by the prolongation of frequent nursing-secure more of her care-giving resources.In the United States, where the threat of predation has receded (降低) and adequate nutrition is usually available even without breast-feeding, crying may be less adaptive. In any case, care-giving in the United States may be viewed as a cultural experiment in which the infant is relatively more separated-and separable-from the mother, both in terms of frequency of contact and actual distance.The Western strategy is advantageous when the mother's employment outside of the home and away from the baby is necessary to sustain family resources. But the trade-off seems to be an increase in the length of crying bouts. (490 words)(5分)2.1Why does Western infants' crying tend to increase in the first few weeks of life and peak in the second or third month?____(1分)A. The infants suffer from a painful disease.B. Their parents lack nurturing skill.C. The reason is still unknown. D. Their parents abuse the infants physically.
A local citizen said it was that the fire ,which broke out at midnight ,was caused by someone on purposE.(1分)
23.3 Which of the following can possibly best describe the relationship between a cloned human person from whom she/he is cloned?____
21.4 The large Helical Device is expected to be experimented ________.(2分)
1.Resources can be said to be scarce in both an absolute and relative sense: the surface of the Earth is finite, imposing absolute scarcity; but the scarcity that concerns economists is the relative scarcity of resources in different uses. Materials used for one purpose cannot at the same time be used for other purposes; if the quantity of an input is limited, the increased use of it in one manufacturing process must cause it to become less available for other uses.The cost of a product in terms of money may not measure its true cost to society. The true cost of, say, the construction of a supersonic jet is the value of the schools and refrigerators that will never be built as a result. Every act of production uses up some of society’s available resources; it means the foregoing of an opportunity to produce something else. In deciding how to use resources most effectively to satisfy the wants of the community, this opportunity cost must ultimately be taken into account.In a market economy the price of a good and the quantity supplied depend on the cost of making it, and that cost, ultimately, is the cost of not making other goods. The market mechanism enforces this relationship. The cost of, say, a pair of shoes is the price of the leather, the labor, the fuel, and other elements used up in producing them. But the price of these inputs, in turn, depends on what they can produce elsewhere—if the leather can be used to produce handbags that are valued highly by consumers, the prices of leather will be bid up correspondingly.(5分)1.1 What does this passage mainly discuss?____(1分)A. The scarcity of manufactured goods.B. The value of scarce materials. C. The manufacturing of scarce goods.D. The cost of producing shoes.
22.5 Which of following statement is TURE according to the passage?(2分)
2. Although breast cancer is one of the most funded areas of cancer research, it is also one of the most confusing. It benefits from very high charitable donations, but suffers from overlapping research, over underfunding of programs, uneven disbursement (支出款项) duplicate research funded programs that do not interact or interface.Approximately one third of all monies allocated by the National Cancer Institute (NCI) for research go to breast cancer, with $631 billion dollars allocated in 2010 alone. The American Cancer Society commits close to 40 percent of its budget on breast cancer, $391 million dollars between 1992 2010, Avon Breast Cancer Crusade has donated $700 million the Susan Komen for the Cure has donated $420 million.Many other programs also provide funding, raising the annual breast cancer budget to about one billion dollars annually. Despite this huge investment, however, 59,000 women will die from breast cancer in North America alone this year.Research so far has failed to understwhat causes the five or six different types of breast cancer. They know about the BRCA 1 BRCA 2 genes, but otherwise lack information on the causes. Many breast cancer programs emphasize education. The Susan Komen Crusade, for example, allocates only five percent of its total budget on treatment, while 43 percent goes to education.If the cause of breast cancer is unknown, what is the purpose of education other than trumpeting mammograms as a means of early detection?
Of all his daughters, Lisa is the youngest, but_____ .(1分)
Only after serious consideration ______ help that old man to his feet.(1分)
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