故选D。3.主旨大意题。结合全文和Is the major cause of these disorders(混乱)overpopulation?可知本文主要讲的是过度拥挤可能是社会病态的一个重要原因。故选B。 反馈 收藏
Overpopulation is an undesirable condition where the number of the existing human population exceeds the actual carrying capacity ofEarth. Overpopulation is caused by a number of factors. Reduced mortality rate, better medical facilities,depletion of precious resourcesare few of the causes which result ...
Although plenty of institutions report yearly about the consequences of these type of behavior, there is still a widespread lack of concern about properly using natural resources. It is a fact that because of human overpopulation and the massive consumption/misuse of natural resources we are ...
【题目】 A classic series of experiments to de ermine the effects of overpopulation on comn unities of rats was conducte d by a psuchologi t, John Calhoun. In each experiment,an equ al number of male an d female adult rats wer e. place d in an enclosure(场地) The rat p pulations ...
Controlling the spread of infectious diseases, such as the plague1 or the Spanish flu2, has been an important topic throughout human history3. Currently, it is of particular interest owing to the worldwide outbreak of the coronavirus disease 2019 (COVID-19) induced by the novel coronavirus SA...
The human population has been steadily increasing and reached close to eight billion people in December of 2022. As a result of this rapid increase, several concerns have been raised about the future of the human population. The first concern is overpopulation, which is when the number of ...
In 2005, Israel began using desalination to augment limited natural water supplies. While desalination has helped Israel overcome chronic water shortages, high-population growth may test this approach. We examine how three population growth scenarios (lo
Rapamycin increases lifespan in mice, apparently by inhibiting a protein called mTOR. It may do the same in dogs and in humans. It's being tested in pet dogs.
According to David & Vicente (2012, p.156) vast amounts of unemployment results in human resources not being used efficiently across cities which cause social inequality. This evidence shows that urbanization causes unemployment. Urbanization leads to significant overpopulation in the central cities, ...
The behavior of the rat population has similarity in human behavior.People in densely(密) populated areas exhibit unusual behavior similar to that of the rats in Calhoun’s experiments.In large urban areas,such as New York City,London,and Cairo,there are deserted children.There are cruel,...