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It has become a recurring theme, and worryingly so. Since October 2015, our planet has experienced ten consecutive months of hum
It has become a recurring theme, and worryingly so. Since October 2015, our planet has experienced ten consecutive months of hum
admin
2018-02-17
52
问题
It has become a recurring theme, and worryingly so. Since October 2015, our planet has experienced ten consecutive months of human-influenced, record-breaking temperature increases. The previous October, November, December, January, February, March, April, May and June months were all documented as the warmest Octobers, the warmest Januarys, the warmest Aprils; global heat highs are the hot new trend and the data suggests they are here to stay.
According to NASA, July 2016 is not only the warmest July in history, but the warmest month in recorded history. NASA has tallied temperature changes from 1880 to the present day, with its data showing no signs of a slow-up in rising temperatures. Climate scientists have been perplexed in their attempts to understand the factors pushing the mercury so far up the thermometer this year. El Nino—the phenomenon explaining the unusual warming of surface waters in the east-central zone of the Pacific Ocean—has been tied to increased ocean water temperatures and changes in weather patterns.
Important as it is to factor El Nino into the climate change framework, it is highly unlikely that it has contributed significantly to the hurried, upward trend witnessed these past ten months. If anything, focus on the subsiding effects of El Nino risks detracting attention from the pressure asserted on the climate by human activity.
Greenhouse gases continue to bloat the atmosphere, trapping heat as atmospheric escape routes are obscured. Further exacerbating the climate change panic seems to be an unusually high temperature currently being experienced in the Arctic region. Arctic sea ice is the most vulnerable to climate change, and is now at a new low with ice cover down to 14. 54m sq km.
With no clear solution in sight, the ice is destined to continue melting, with longer melting seasons becoming a normal occurrence. The U. S. National Oceanographic and Atmospheric Administration have noted a similar trend for the past 14 months, and are expected to release a similar figure for July. Though the rise is expected to
taper off
towards the end of the year, a scientist drew attention to how there is a "99 percent chance of a new annual record in 2016". As we confront the reality that many of these changes are as a direct consequence of human intervention, it is very possible that without the appropriate response, we could be contending with broken records for years to come.
What can be inferred about Arctic sea ice?
选项
A、Scientists use it to curb the global warming trend.
B、Scientists express their deep unease about its melting.
C、It is the crucial factor in understanding climate change.
D、It is a benchmark for monitoring global temperatures.
答案
B
解析
归纳题。[A]“科学家用北极海冰来遏制全球气温变暖趋势”,原文没有对应信息。[B]“科学家对冰川的融化深表不安”与第四段第二句意思相近:北极地区冰雪融化加剧了人们对气候变化的恐慌。[C]“将冰川作为理解气候变化的决定性因素”,原文无此信息。[D]“把冰川作为监测全球气温的标准”,也是错误的陈述。
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0
考研英语一
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