paragraph 1___. 网站导航:综合类>正文 题目题型:单选题 难度:★★★1.2万热度 paragraph 1___. 该题目是单项选择题,请记得只要选择1个答案! 题目解答分析 解析: 更多答案...请查看上面的正确答案
[d] to stress how large the world population is now. 免费查看参考答案及解析 题目: the word pariah ( paragraph 1 ) is closest in meaning to [a] prohibition. [b] strictness. [c] pardon. [d] punishment. 免费查看参考答案及解析 题目: the word caste (paragraph 1) most probably mea...
T hese peoples settled at first in sca ttered hunting-and-gathering bands, although in some places near lakes and rivers, people who fished, with a more secure food supply, lived in larger population concentrations. Agriculture seems to have reached the se people from the Near East, since ...
The challenge was mounted to protect the endangered spotted owl(猫头鹰), whose remaining population occupies these forests and requires the intact, ancient forest for survival. The problematic situation set the interests of environmentalists against those of corporations and of individuals who stood to...
Originally moths were uniformly pale gray or whitish in color; dark-colored (melanic) individuals were rare and made up less than 2 percent of the population. [#highlight1]Over a period of decades, dark-colored forms became an increasingly large fraction of some populations and eventually came...
To make matters worse, the world’s population is increasing so rapidly that it is expected to grow to about 8 billion in 30 years-an increase of 60 percent. Moreover, in many developed countries throughout the world, flush lavatories and washing machines mean the average person now uses ...
However, continuing changes in the physical environment and a growing krill fishery in the region are likely to have an influence on penguin prey (猎物) and penguin population itself.(凯西·杨说:“这是一个很大的惊喜,因为过去40年来,阿德里企鹅的数量和分布发生了巨大变化,科学家们认为饮食的改变...
For centuries, in the countries of south and Southeast Asia the elephant has been an intimate part of the culture, economy and religion. And nowhere more so than in Thailand. Unlike its African cousin, the Asian elephant is easily domesticated (驯化). The rare so-called white elephants have...
In paragraph 1, the writer suggests that the world’s population A.would fit into one American city. B.has certainly become too big. C.has generally low standards. D.would be better off with more standing room.
Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact. 3.According to paragraph 2, which of the following principles of ecosystems can be learned by studying a pond? A. Ecosystem properties ...