题目内容
（请给出正确答案）
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“An individual consumer shifts to a new equilibrium position as a result of some changes in”相关的问题
A、increases, left
B、increases, right
C、decreases, left
D、decreases, right
If E were the old equilibrium in the market for wheat in the figure below, and E' the new one, which of the following could have caused the change?
A、Consumer income rose, causing a supply shift.
B、Bad weather caused a supply shift.
C、Consumer income rose, causing a demand shift.
D、Supply and demand both shifted.
E、None of the above are plausible descriptions.
A、semantic
B、syntactic
C、morphological
D、phonological
A、et demie.
B、et demi.
C、demie.
D、demi.
As environmentalists convene in Rio de Janeiro this week to ponder the global climate of the future, earth scientists are in the midst of a revolution in understanding how climate has changed in the past-and how those changes have transformed human existence. Researchers have begun to piece together an illuminating picture of the powerful geological and astronomical forces that have combined to change the planet&39;s environment from hot to cold, wet to dry and back again over a time period stretching back hundreds of millions of years.
Most important. scientists are beginning to realize that the climatic changes have bad a major impact on the evolution of the human species. New research now suggests that climate shifts have played a key role in nearly every significant turning point in human evolution: from the dawn of primates(灵长目动物) some 65 million years ago to human ancestors rising up to walk on two legs. from the huge expansion of the human brain to the rise of agriculture. Indeed, the human history has not been merely touched by global climate change, some scientists argue, it has in some instances been driven by it.
The new research has profound implications for the environment summit in Rio. Among other things, the findings demonstrate that dramatic climate change is nothing new for planet Earth. The benign(宜人的) global environment that has existed over the past 10,000 years-during which agriculture. writing, cities and most other features of civilization appeared-is a mere bright spot in a much larger pattern of widely varying climate over the ages. In fact, the pattern of climate change in the past reveals that Earth&39;s climate will almost certainly go through dramatic changes in the future-even without the influence of human activity.
测试题
Farming emerged as a survival strategy because man had been obliged__________．
A.to give up his former way of life
B.to leave the coastal areas
C.to follow the ever-shifting vegetation
D.to abandon his original settlement
A、higher; lower
B、higher; higher
C、lower; lower
D、lower; higher
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
