[简答题]What is at: The beginning of eternity The end of time and space The beginning of every end And the end of every place

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GLLOBAL WARMING-THE BEGINNING OF THE END
Increased social debate regarding complex issues such as the greenhouse effect and global warming has definitely increased our environmental awareness. However, such debates are often emotive rather than informative. One can be forgiven, for example, for believing that the greenhouse effect is something we should be trying to eradicate!
Short-wave radiation, in the form of visible ultra-violet (UV) light from the Sun, penetrates Earth’s atmosphere to warm the surface of the planet. Because all matter is warmer than space, it radiates heat, and part of the sun’s energy is re-radiated out by the Earth’s surface. Greenhouse gases in the atmosphere trap some of this infrared radiation causing the Earth’s surface and lower atmospheric layers to warm up to a higher temperature than would otherwise be the case. Without these greenhouse gases, Earth would be a frozen, hostile environment with

[单项选择]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
A. The History of Black People in the United States.
B. West African Tribal Relations.
C. The Origin of Modern African-American Consciousness.
D. Slavery: A Democratic Anomaly.

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