单选题With the economy of the country going strong, the______mood is one of optimism.
单选题The belief that the mind plays an important role in physical illness goes back to the earliest days of medicine. From the time of the ancient Greeks to the beginning of the 20th century, it was generally accepted by both physician and patient that the mind can affect the course of illness, and it seemed natural to apply this concept in medical treatments of disease. After the discovery of antibiotics, a new assumption arose that treatment of infectious or inflammatory disease requires only the elimination of the foreign organism or agent that triggers the illness. In the rush to discover new antibiotics and drugs that cure specific infections and diseases, the fact that the body's own responses can influence susceptibility to disease and its course was largely ignored by medical researchers. It is ironic that research into infectious and inflammatory disease first led 20th-century medicine to reject the idea that the mind influences physical illness, and now research in the same field—including the work of our laboratory and of our collaborators at the National Institutes of Health—is proving the contrary. New molecular and pharmacological tools have made it possible for us to identify the intricate network that exists between the immune system and the brain, a network that allows the two systems to signal each other continuously and rapidly. Chemicals produced by immune cells signal the brain, and the brain in turn sends chemical signals to restrain the immune system. These same chemical signals also affect behavior and the response to stress. Disruption of this communication network in any way, whether inherited or through drugs, toxic substances or surgery, exacerbates the diseases that these systems guard against, infectious, inflammatory, autoimmune and associated mood disorders. The clinical significance of these findings is likely to prove. They hold the promise of extending the range of therapeutic treatments available for various disorders, as drugs previously known to work primarily for nervous system problems are shown to be effective against immune maladies, and vice versa. They also help to substantiate the popularly held impression (still discounted in some medical circles) that our state of mind can influence how well we resist or recover from infectious or inflammatory diseases. The brain's stress response system is activated in threatening situations. The immune system responds automatically to pathogens and foreign molecules. These two response systems are the body's principal means for maintaining an internal steady state called homeostasis. A substantial proportion of human cellular machinery is dedicated to maintaining it. When homeostasis is disturbed or threatened, a repertoire of molecular, cellular and behavioral responses comes into play. These responses attempt to counteract the disturbing forces in order to reestablish a steady state. They can be specific to the foreign invader or a particular stress, or they can be generalized and nonspecific when the threat to homeostasis exceeds a certain threshold. The adaptive responses may themselves turn into stressors capable of producing disease. We are just beginning to understand the many ways in which the brain and the immune system are interdependent, how they help to regulate and counter regulate each other and how they themselves can malfunction and produce diseases.
单选题
单选题She felt really bad when she realized that she had lost her watch. It
wasn't expensive but it had sentimental ______.
A. expense
B. price
C. value
D. charge
单选题Please ______ if you ever come to Sydney.
单选题The criticism from the public has ______ this novel.
单选题The mother is told that her child is desperately ill--the chance of survival are slim, and the treatment is as dreadful as the disease. A. incurable B. fearful C. impossible D. troublesome
单选题Police officers working on the murder case have______ hundreds of families.
单选题{{B}}Passage Three{{/B}}
There are faults which age releases us
from, and there are virtues which turn to vices with the lapse of years. The
worst of these is thrift, which in early and middle life is wisdom and duty to
practice for a provision against destitution. As time goes on this virtue is apt
to turn into the ugliest, cruelest, shabbiest of the vices. Then the victim of
it finds himself storing past all probable need of saying for himself or those
next him, m the deprivation of the remoter kin of the race; In the earlier time
when gain was symbolized by gold or silver, the miser had a sensual joy in the
touch of his riches, in hearing the coins clink in their fall through his
fingers, and in gloating upon their increase sensible m the hand and eye. Then
the miser had his place among the great figures of misdoing; he was of a
dramatic effect, like a murderer or a robber; and something of this bad
distinction clung to him even when his coins had changed to paper currency, the
clean, white notes of the only English bank, or the greenbacks of our
innumerable banks of issue; but when the sense of riches had been transmuted to
the balance in his favor at his banker's, or the bonds in his drawer at the
safety-deposit vault, all splendor had gone out of his vice. His bad eminence
was gone, but he clung to the lust of gain which had ranked him with the
picturesque wrong-doers, and which only ruin from without could save him from,
unless he gave his remnant of strength to saving himself from it. Most aging men
are sensible of all this, but few have the frankness of that aging man who once
said that he who died rich died disgraced, and died the other day in the
comparative poverty of fifty millions.
单选题Chemisty is closely ______ with other studies: physics, biology and so on.
单选题Last week, the US bishops adopted rules to take priests who______minors out of any ministerial activities.(2003年厦门大学考博试题)
单选题That style of hat first came into ______ when I was a small boy.
单选题
The beginning of what was to become the
United States was characterized by inconsistencies in the values and behavior of
its population, inconsistencies that were reflected by population,
inconsistencies that were reflected by its spokesmen, who took conflicting
stances in many areas, but on the subject of race, the conflicts were
particularly vivid. The idea that the Caucasian race and European civilization
were superior was well entrenched in the culture of the colonists at the very
time that the "egalitarian" republic was founded. Voluminous historical evidence
indicates that, in the mind of the average colonist, the African was a heathen,
he was black, and he was different in crucial philosophical ways. As time
progressed, he was also increasingly captive, adding to the conception of
deviance. The African, therefore, could be justifiaby (and even
philanthropically) treated as property according to the reasoning of
slavetraders and slaveholders. Although slaves were treated as
objects, bountiful evidence suggests that they did not view themselves
similarly. There are many published autobiographies of slaves. AfricanAmerican
scholars are beginning to know enough about West African culture to appreciate
the existential climate in which the early captives were raised and which
therefore could not be totally destroyed by the enslavement experience. This was
a climate that defined individuality in collective terms. Individuals were
members of a tribe, within which they had prescribed roles determined by the
history of their family within the tribe. Individuals were inherently a part of
the natural elements on which they depended, and they were actively related to
those tribal members who once lived and to those not yet born.
The colonial plantation system which was established and into which
Africans were thrust did virtually eliminate tribal affiliations. Individuals
were separated from kin. Interrelationships among kin kept together were often
transient because of sales. A new identification with those slaves working and
living together in a given place could satisfy what was undoubtedly a natural
tendency to be a member of a group. New family units became the most important
attachments of individual slaves. Thus, as the system of slavery was gradually
institutionalized, West African affiliation tendencies adapted to it.
This exceedingly complex dual influence is still reflected in black
community life, and the double consciousness of black Americans is the major
characteristic of African-American mentality. Du Bois articulated this divided
consciousness as follows. The history of the American Negro is
the history of this strife--this longing to attain self-conscious manhood, to
merge his double self into a better and truer self. In this merging, he wishes
neither of the older selves to be best. Several black political
movements have looked upon this duality as destructively conflictual and have
variously urged its reconciliation. Thus, the integrationists and the black
nationalists, to be crudely general, have both been concerned with resolving the
conflict, but in opposite directions.
单选题The gap between those at the lowest level and those at the highest level of income has increased ______, and is continuing to increase.
单选题In contrast to traditional analyses of minority business, the sociological analysis contends that minority business ownership is a group-level phenomenon in which it is largely dependent upon social-group resources for its development. A. In contrast to B. contends that C. in which D. largely dependent upon
单选题It has been revealed that nearly one in five degree courses has been ______ since the tripling of tuition fees to £9,000 a year. A. scratched B. scraped C. scrabbled D. scrapped
单选题The Economist Intelligence Unit (EIU) earnestly attempts to measure which country will provide the best opportunities for a healthy, safe and prosperous life in the years ahead. Its quality-of-life index
1
the results of subjective life-satisfaction surveys how happy people say they are—to
2
determinants of the quality of life across countries. Being rich helps more than
3
else, but it is not all that
4
; things like crime, trust in public institutions and the health of family life matter too.
5
, the index takes 11 statistically significant indicators into
6
They are a mixed bunch: some are
7
factors, Such as geography; others change only very slowly
8
time; and some factors depend on policies and the state of the world
9
.
Despite the global economic crisis, times have in certain respects
10
been so good. Output growth rates have been
11
across the world, but income levels are at or near
12
highs. Life expectancy continues to
13
steadily and political freedoms have spread across the
14
. In other ways, however, the crisis has
15
a deep imprint on unemployment and personal
16
.
After crunching its numbers, the EIU has Switzerland comfortably in the top spot, with Australia second. Small economies
17
the top ten, half of which are European. The Nordic countries shine,
18
the crisis-ridden south of Europe (Greece, Portugal and Spain) lags behind. The
19
European economies (Germany, France and Britain) do not do particularly well. America
20
back in 16th place. Despite their economic dynamism, none of the BRIC countries (Brazil, Russia, India and China) scores impressively. Among the 80 countries covered, Nigeria comes last: it is the worst place for a baby to enter the world in 2013.
单选题Obviously these are all factors affecting smooth operation, but the {{U}}underlying{{/U}} problem is still to be identified.
单选题If you understand why the question is being asked, you will feel less
inclined to regard the interviewer as unduly ______ his nose into your private
business,
A. stretching
B. poking
C. reaching
D. dropping
单选题The traditional appeal of the income tax has come from its wide acceptance as a lair tax. closely related to an individual's ability to pay. For many gears the income tax provided large federal income without imposing heavy burdens on the great majority of people. By the mid-20th century, however, serious criticisms of tax loopholes were heard concerted attempts at reform resulted only in a more complex and eroded tax base. The situation worsened in the 1970s, as rising inflation pushed people into higher tax brackets although their incomes were barely keeping pace with rising prices. This pressure further eroded public confidence in the fairness of the income tax; at the same time it created strong incentives to utilize tax shelters and other loopholes, as well as to conceal off-the-record income. Built-in inflation adjustments were adopted, first by a number of states and then in 1985 by the federal government. Income tax policy is inevitably controversial because it rests essentially on judgments that must be constantly reconsidered as social values change. The complex task of working out the many reductions and exclusions to be allowed from income because they either make for greater fairness among taxpayers or promote worthy social goals (such as charitable contributions) bone of the most difficult and politically sensitive problems faced by governments. Another major area of dispute is whether wages and salaries should be taxed the same way as business profits or investment income. While some countries and a few U. S. states explicitly apply separate sets of rules to the measurement of different kinds of taxable income, others, like most U. S. state governments, seek to treat all sources of income in the same way. Even so, dissimilarities inevitably arise. Some costs of earning income are more readily deducted (扣除) from business and self-employment earnings than they are from wages and salaries. Inflation, by eroding the value of capital, distorts the measurement of income from that source. Complex adjustments to the tax law could in principle eliminate these imbalances, but most countries have preferred simpler, more arbitrary solutions.