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发表于 2009-3-12 13:24:10
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Botany, the study of plants, occupies a peculiar position in the history of human knowledge. ,For many thousands of years it was
the one field ,wow power leveling,of awareness about which humans had anything more
than the vaguest of insights. It is impossible to know today just what our Stone Age ancestors knew about plants, but form what we
can observe of pre-industrial societies that still exist a detailed learning of plants and their properties must be extremely
ancient.
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This is logical. Plants are the basis of the food pyramid for all living things even for other plants. They have always been
enormously important to the welfare of people not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter,
and a great many other purposes. Tribes living today in the jungles of the Amazon recognize literally hundreds of plants and know
many properties of each. To them, botany, as such, has no name and is probably not even recognized as a special branch of "
knowledge" at all.wow gold,
Unfortunately, the more industrialized we become the farther away we move from direct contact with plants, and the less distinct
our knowledge of botany grows. Yet everyone comes unconsciously on an amazing amount of botanical knowledge, and few people will
fail to recognize a rose,an apple, or an orchid.flyff penya, When our Neolithic ancestors,
living in the Middle East about 10,000 years ago, discovered that certain grasses could be harvested and their seeds planted for
richer yields the next season the first great step in a new association of plants and humans was taken. Grains were discovered and
from them flowed the marvel of agriculture: cultivated crops.flyff penya, From then on,
humans would increasingly take their living from the controlled production of a few plants, rather than getting a little here and a
little there from many varieties that grew wild- and the accumulated knowledge of tens of thousands of years of experience and
intimacy with plants in the wild would begin to fade away.
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In the last decades, the development of market oriented economy has brought a large number of newly emerging things into our daily
life. Yet when it comes to one of these new things lottery, welfare lottery in particular, some people believe that it creates a
good social atmosphere while others argue that the opposite is true. There is probably a little bit of truth in both statements.
But in recent years, lottery has done a lot to support the view that it does more good than harm.
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On one hand, welfare lottery encourages people to do small kindness for the welfare of others as well as for the profit of oneself.
When we read the daily newspapers, we are ,wow gold,
frequently appraised of the "Big Kindness" performed by well-to-do philanthropists who donate large sums of money for the
establishment of schools, libraries, free hospitals for the poor, orphanages,and the like. These, of course, are laudable acts of
charity that deserve wide public acclaim. But in my estimation, not all the people have the financial ability to support these "Big
Kindness",archlord money,,and those many minor acts of kindness performed daily in
different situations by public minded citizens who receive no recognition or praise from the mass media are equally
commendable.Similarly, welfare lottery provide the majority of people a chance to perform this kind of small kindness.
Botany |
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