新SAT考试官方OG阅读中心题型解析2

>>SAT试题：新SAT考试官方OG阅读中心题型解析2

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P541——Section 7

谁是最 早的Americans?

15. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer C :

Choice (C) is correct. Passage1, Line 26-30，”The era in which…there is geologic evidence…open much before then.” Passage 2, line37-44“One of the biggest barriers…would have been difficult at best.”

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16. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer C :

Choice (C) is correct. finished off对应and前面的chipped to，削的意思，都和spear points的制作有关系，所以答案是completed。代入法，其它选项不像人话。

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17. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer E :

Choice (E) is correct. Line21-22的quotation明显是一个总结句，下一句Line 23的”such certainty”, Line12”most archaeologists”,line19”scientists usually”可以提示说这是一个common understanding.

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18. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer D :

Choice (D) is correct. Line 32-34”people had lived there at least 14500…first sign of Clovis people in North American”，根据句意推断，sign是迹象,indication的意思。

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19. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer B :

Choice (B) is correct. Line 25-36，”The most straightforward challenge to the old story is the matter of time.” 既然冰河世纪，”an ice-free corridor bewteen…would not have been open much before then”,而又发现了”that people had lived there at least 14500years ago”，所以很有可能是passage 2提出的观点，靠坐船过去的。

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20. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer D :

Choice (D) is correct. Line 44-48”But the latest idea…hugging the ice-age coast.”最新观点表明，他们很可能是坐船过去的。而且时间应该是在Line37”pre-Clovis”也就是Line12”13500 years ago”

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21. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer E :

Choice (E) is correct. particular theory指line 49”seafaring theory”

22. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer C :

Choice (C) is correct. Passage 1,line14-15”moved south through an…”line 28-30”there is geologic evidence…open much before then.” Passage 2,line47-48”Maybe the first Americans came not…coast.” Passage 1,line17-20”Since their tools … game hunters.” while Passage 2,line52-53”The Pacific Rim has vast…”

23. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer B :

Choice (B) is correct. Passage 1, Line21-22”Clovis is taken to be …” ,Passage 2,line63-67”Most archaeologists…maritime adaptation.”

24. ANSWERS AND EXPLANATIONS

Explanation for Correct Answer D :

Choice (D) is correct. 如果passage 2的seafaring theory成立，就可以解释passage 1 Line30-34“But in 1977…”的那个发现了,broke the time barrier.

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