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SAT官方每日一题附答案和解析[阅读](2019年12月30日)

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答案:C

解析:

Choice C is the best answer. The passage states that predatory shark activity has been affecting the southern sea otter population in the south subsets of the coastal range. The graph shows that in the south region, there were approximately 400 southern sea otters in 2003 and roughly 700 southern sea otters in 2009. Taken together, this information suggests that predatory shark activity was more of a threat to sea otters—and decreased their population more—in 2003 than in 2009.

重点单词   查看全部解释    
range [reindʒ]

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n. 范围,行列,射程,山脉,一系列
v. 排

 
population [.pɔpju'leiʃən]

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n. 人口 ,(全体)居民,人数

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unexpected ['ʌnik'spektid]

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adj. 想不到的,意外的

 
approximately [ə'prɔksimitli]

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adv. 近似地,大约

 
calculated ['kælkjuleitid]

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adj. 计算出的;适合的;有计划的 v. 计算;估计;

 
overall [əuvə'rɔ:l]

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adj. 全部的,全体的,一切在内的
adv.

 
boom [bu:m]

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n. 繁荣,低沉声,帆杠,水栅
vi. 急速增

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affected [ə'fektid]

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adj. 受影响的,受感动的,受疾病侵袭的 adj. 做

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critical ['kritikəl]

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adj. 批评的,决定性的,危险的,挑剔的
a

 
decline [di'klain]

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n. 衰微,跌落; 晚年
v. 降低,婉谢

 

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