SAT备考中必备OG阅读理解答案解析Test3!很多考生想要找SAT的OG资料进行参考和学习，为了满足大家的要求，小编为大家整理了SAT备考中必备OG阅读理解答案解析中的Test3部分，希望给大家提供帮助。
SAT Practice Test #3
P521——Section 4
新闻界的改革运动
9. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer A :
Choice (A) is correct. Passage 1,Line1-2”A feform movement …across the country” while Passage 2, line14-15”Conditions for journalism…sophisticated technology”
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10. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Line 15”robust media profit”
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11. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer D :
Choice (D) is correct. 和第9题答案一致，(还是围绕两篇文章的main idea)那些活动是unnecessary,不必要的，没有根据的。
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12. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Passage 2在这里讽刺那些critics，他们虽然自己强调”journalism’s first obligation is tho the truth”，但是他们过分夸大事实真相”hyperbole”，和事实相悖，这种做法如同搬起石头砸自己的脚。
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P522——Section 4
困意如何记录
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13. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line2-5”Some people…a farily trivial task. Could’t you…or so?”也就是说有人认为测试睡意太简单了，记录一下给定时间的哈欠的次数就可以，所以可以推断出他们这个结论是建立在C选项这个前提上的——睡意和哈欠是直接相关的。
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14. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. 因为文章是research，答案和24题保持一致，全文都是informative，插入语描述了何为yawning
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15. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Line29-37，用自己的一个经历来阐述上面的观点，”I”，所以选anecdote。
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16. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Line33,”I doubted that they were tired” and “quite a common behavior”也就是说，作者没有想到coffee break之后，还会有yawn，体现作者当时的疑惑和不解。
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17. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer A :
Choice (A) is correct. Line 38-44,通过这些例子，可以排除其他选项。
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18. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer D :
Choice (D) is correct. Line46-49“Scientists originally…carbon dioxide.”是说科学家认为yawn可以呼吸更多的氧气，释放更多的二氧化碳。而D选项在高海拔，氧气少的情况下，按照科学家理论，应该多yawn，呼吸更多的氧气，但是却没有，所以D选项和科学家理论相反。
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19. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Since引导的句子，重点在主句”we obviously have to find some other measure of sleepiness”回到了文章首句的问题”we have to find a way to track sleepiness over the day”
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20. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer D :
Choice (D) is correct. 和line64的“weakness”相反，和line65的”ambition”相似。
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21. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. Line 59-61, topic sentence“Ther are, however, problems…..types of judgments.”
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22. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. Line72-74“The greater…if given the opportunity to do so”文章理论是说，如果越困，那么入睡速度就越快。而B选项刚好相反，如果极度困，反而睡不着了。
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23. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line13-15”It is also…..they are bored…more frequently”排除A; line29“Yawning can also be a sign of stress in humans”排除B; Line38-44，排除D和E。
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24. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer A :
Choice (A) is correct. 引言sleep research奠定了全文的基调，说明性的文章。
P538——Section 7
6. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. Line 6-8”my drawings became my poems”对应了same disire，Line 4-5”my primary artistic expression was drawing”说明draw 和 writing对于作者来说是用来self-expression的。
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7. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. line10,括号当中的”too seriously!”是作者用来描述自己当年的想法是多么天真，过于理想化。
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8. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer D :
Choice (D) is correct. 全文topic sentence，第一段的首句和尾句,”The Second World War…Americans.” and “Chinese American women…changes.”只有D选项包含了the second world war 和Chinese American women.
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9. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. 第二自然段都是在说明第一段的尾句”Chinese American women…long-term changes.”，举了她们不同的例子，做的各种各样的acitivies.所以是总-分的结构。
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P539——Section 7
Greek Street
10. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. Line 4”The grim procession” and “in anoter country in another age. Welcome to the real world”说workders是另外一个时代的人，以及Line 10-11”the shopkeepers of Greek Streek care nothing about shadowy creatures who actually manufacture the goods that they sell”都能看出是鄙视、轻蔑的态度。
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11. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer B :
Choice (B) is correct. Line13-15“an order is put in for fifty cakes…and the order is delivered”可以推断order就是订单的意思。
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12. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line 15-17,”How that soap came to exist is on question for a modern man. Everying … fully formed…” benign这里指benificial的意思，正态度。
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13. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Line,29-30“The machine age has come, the world will never…,but oh: what compensation!”既然but之前是negative，所以这里的compensation是positive，而且对于shopkeeper的好处只有E选项了，经济上的利益。
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14. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line40-42,”The men are in a hurry…over a half-open one.”他们行色匆匆，生怕因为开门晚了而错过了顾客。
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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.
P550——Section 9
儿时的回忆
7. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer E :
Choice (E) is correct. Line 10-11,”Our seminonthly excursions to…piece of perfection.”
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8. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line 16-18,“You could easily…But once you were inside, you could never mistake it…”，内外对比。
9. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer C :
Choice (C) is correct. Line 17-18“you could never mistake it for anything else”，非常肯定的语气。
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10. ANSWERS AND EXPLANATIONS
Explanation for Correct Answer D :
Choice (D) is correct. Line20,”great”, Line 22”They were great”, Line 23”instruments of learning.”
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