为了让我们更好的适应SAT考试，SAT考试官网每天都会有SAT官方每日一题，下面是澳际小编为您整理的2016年11月30日SAT题目，是阅读题，让我们一起来看一看这道题目吧。

　　Critical Reading>Select an Answer

　　The recovery of southern sea otters appears tohave taken an upturn, according to results from theannual California sea otter survey released by theU.S. Geological Survey. Yet despite an overallincrease in sea otter abundance, sharks have been"taking a bite" out of the portion of the population that could fuel expansion into new areas.

　　"There's much more to the story here than the main finding would suggest," said Dr. TimTinker, a research ecologist who leads the USGS sea otter research program. "We are lookinginto various factors that may be affecting the survey results, including a boom in urchinabundance from Big Sur to Monterey that may explain the uptick in numbers in the rangecenter, and high levels of shark bite mortality that are likely responsible for continued declinesat the north and south ends of the range."

　　This year's survey results suggest an increasing trend over the last five years of almost 2percent per year and the population index, a statistical representation of the entirepopulation calculated as the three-year running average of census counts, has climbed to3,054 from 2,711 in 2010. The growth is accounted for by an unexpected jump in numbers inthe center of the sea otter's range, an area that spans from Monterey south to Cambria.

　　While the population index continues to trend upward, the northern and southern subsets ofthe population continue a five-year decline, dropping 2 percent and 3.4 percent per year,respectively, numbers consistent with increased shark bite induced mortality in these sameareas.

　　Since the 1980s, USGS scientists have computed the annual population index and evaluatedtrends in the southern sea otter, "Enhydra lutris nereis," a federally listed threatened speciesfound in California. For southern sea otters to be considered for removal from threatenedspecies listing under the Endangered Species Act, the population index would have to exceed3,090 for three consecutive years.

　　The figure presents a graph of three lines, titled "Number of Southern Sea Otters in ThreeCoastal Regions of California."

　　The horizontal axis is labeled "Year," and the years 2000 through 2015, in increments of threeyears, are indicated. The vertical axis is labeled "Number of otters counted," and the numberszero through 2,500, in increments of 500, are indicated.

　　One line represents north, one line represents central, and one line represents south. The linerepresenting north begins on the vertical axis at approximately 250. It rises very graduallyuntil just bore 2003, where it begins to rise steadily until it reaches approximately 500 in2005. The line then dips slightly until 2006 bore it begins to gradually rise again until itreaches about 500 in 2014. It then dips gradually to slightly less than 500 in 2015.

　　The line representing south begins on the vertical axis, slightly above 500. It falls graduallyuntil it reaches approximately 400 in 2003. Then it begins to rise steadily until it reachesapproximately 700 in 2007. It then levels off until 2012 bore falling to approximately 500 in2013. Finally it rises gradually to approximately 550 in 2015.

　　The line representing central begins on the vertical axis at approximately 1,400. It risessteadily until it reaches approximately 1,600 in 2006. It then levels off until 2009 boredecreasing to approximately 1,450 in 2010. It remains level until 2012 and then rises steeplyuntil it reaches approximately 1,900 in 2015.

　　The lines on the graph represent the 3-year running average of the southern sea otterpopulation in the north, central, and south coastal regions.

　　Adapted from Brian Hatfield and Tim Tinker, "Spring 2015 California Sea Otter (Enhydra lutrisnereis) Census Results." Published in 2015 by US Geological Survey.

　　The passage characterizes the main finding of the 2015 sea otter survey conducted bythe US Geological Survey as _________

　　(A) initially promising, because it shows that the southern sea otter will not become anendangered species.

　　(B) very significant, because it validates the recent forts of sea otter conservation groupsworking along the California coast.

　　(C) ultimately inconclusive, because it does not incorporate data from sea otter populationsurveys conducted bore 2010.

　　(D) somewhat misleading, because it does not make it clear that the southern sea otterpopulation trends varied throughout the range.

　　澳际培训提醒各位参加准备sat考试的同学，仔细看完以上的sat考试官网题目，然后再看下面的SAT题目答案更有效哦。

　　答案：D

　　解析：

　　Choice D is the best answer. According to the passage, the US Geological Survey found that the population of the southern sea otters "appears to have taken an upturn." The passage characterizes this finding as somewhat misleading, however, because the population of the southern sea otters is increasing only in the center of California's coastal range, while sharks are causing "declines at the north and south ends of the range."

　　以上就是澳际小编为根据SAT考试官网最新信息，为您整理的2016年11月30日SAT题目，目的是为了让我们更好的适应SAT考试，如果在备考过程中遇到任何问题，欢迎随时咨询澳际培训，为您提供最专业、最全面的解答。

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