上海新航道雅思小編給考生們帶來了劍6Test3雅思閱讀Passage3答案解析，希望幫助考生對照文本更好的研究真題，充分備考，爭取理想成績，實現留學夢想。

  劍6Test3雅思閱讀Passage3題目

  Questions 28-32

  Do the following statements agree with the claims of the writer in Reading Passage 3?

  In boxes 28-32 on your answer sheet, write

  YES if the statement agrees with the claims of the writer

  NO if the statement contradicts the claims of the writer

  NOT GIVEN if it is impossible to say what the writer thinks about this

  28 Studies show drugs available today can delay the process of growing old.

  29 There is scientific evidence that eating fewer calories may extend human life.

  30 Not many people are likely to find a caloric-restricted diet attractive.

  31 Diet-related diseases are common in older people.

  32 In experiments, rats who ate what they wanted led shorter liver than rats on a low-calorie diet.

  Questions 33-37

  Classify the following descriptions as relating to

  A caloric-restricted monkeys

  B control monkeys

  C neither caloric-restricted monkeys nor control monkeys

  Write the correct letter, A, B or C, in boxes 33-37 on your answer sheet.

  33 Monkeys were less likely to become diabetic.

  34 Monkeys experienced more chronic disease.

  35 Monkeys have been shown to experience a longer than average life span.

  36 Monkeys enjoyed a reduced chance of heart disease.

  37 Monkeys produced greater quantities of insulin.

  Questions 38-40

  Complete the flow-chart below.

  Choose NO MORE THAN TWO WORDS from the passage for each answer.

  Write your answers in boxes 38-40 on your answer sheet.

  How a caloric-restriction mimetic works

  CR mimetic

  Less 38..............is processed

  Production of ATP is decreased

  Theory 1: Theory 2:

  Cells less damaged by disease because Cells focus on 40..............because

  fewer 39..............are emitted food is in short supply

  劍橋雅思6Test3Passage3答案解析

  Question 28

  答案： NO

  關鍵詞：drugs available today/ growing old

  定位原文: 第1段第1句“As researchers on aging…”

  解題思路: 衰老問題的研究者們最近指出，目前市面上還沒有任何療法證明可以延緩人類衰老。“任何療法”包含藥物，所以“目前沒有療法能延緩衰老”就意味著目前沒有藥物可以延緩衰老。

  Question 29

  答案：YES

  關鍵詞： eating fewer calories/ extend human life

  定位原文: 第1段最后1句“Those findings suggest…”

  解題思路: 這些研究結果表明，限制熱量的攝取可能也會延緩衰老，延長人類壽命。” scientific evidence與findings是近義詞，所以符合題干。

  Question 30

  答案：YES

  關鍵詞： caloric-restricted

  定位原文: 第2段第2句“Few mortals could…”

  解題思路: 很少有人能夠堅持這樣嚴格的養生之道，喜歡的才能堅持，既然不能堅持，肯定是覺得不夠attractive。

  Question 31

  答案：NOT GIVEN

  關鍵詞：diet-related diseases

  定位原文: 無定位原文

  解題思路: 原文沒有提到這個信息，所以是NOT GIVEN。

  Question 32

  答案：YES

  關鍵詞：rats

  定位原文: 第3段第2句“… rats fed a low-calorie diet lived…”

  解題思路: 被喂食低熱量食物的鼠類平均壽命長于自由攝取食物的鼠類”，這里關鍵是知道free-feeding與ate what they wanted是同義表達。

  Question 33

  答案：A

  關鍵詞： less likely / diabetic

  定位原文: 第6段第2句“...they have more normal blood…( pointing to a reduced risk for diabetes)” 血糖濃度也比較正常(表示得糖尿病的風險較低)。

  解題思路: 這句話闡述的是calorie-restricted animal的情況，也就是calorie- restricted monkeys的情況，所以正確答案是A。

  Question 34

  答案：B

  關鍵詞：more chronic disease

  定位原文: 第6段第3句“Further, it has recently…”

  解題思路: 此外，有關研究最近指出，長期限制熱量攝人(將近15年)的恒河猴患慢性病的幾率也較低。rhesus monkeys與control monkeys 比較，前者患慢性病幾率低，也就是說后者患慢性病幾率高。正確答案是B。

  Question 35

  答案： C

  關鍵詞：a longer than average lifespan

  定位原文: 第6段第4句: “They and other monkeys…” 但想要知道限制熱量攝人是否會延長猴類的平均壽命和最大壽命，我們還必須對這些恒河猴以及其他猴類做更長時間的跟蹤研究。

  解題思路: They 指的是calorie-restricted mon?keys s other monkeys指的就是 control monkeys，原文既然說還需更多研究才能知道它們的壽命是否得到延長，也就是說兩類猴都還沒有表明壽命得到延長。正確答案是C。

  Question 36

  答案： A

  關鍵詞：reduced chance of heart disease

  定位原文: 第6段第2句“For example, they have lower blood pressure and triglyceride levels (signifying a decreased likelihood of heart disease )…” 例如，它們的血壓與甘油三酸酯含量都比較低(表示得心臟病的可能性較小)。

  解題思路: 這句話闡述的是calorie-restricted animal的情況，也就是calorie- restricted monkeys的情況，所以正確答案是A。

  Question 37

  答案： B

  關鍵詞：greater quantities of insulin

  定位原文: 第5段(就1句話)“..compared with control animals that eat normally, caloric-restricted monkeys have lower body temperatures and levels of the pancreatic hormone insulin.”比起正常飲食的對照組動物，限制熱量攝人組猴子的體溫和胰島素濃度都較低。

  解題思路: 限制熱量攝入組的猴子比對照組猴子的胰島素濃度低，說明其胰島素分泌量少，故對照組的胰島素分泌較多。正確答案是B。

  Question 38

  答案：glucose

  關鍵詞：production of ATP is decreased

  定位原文: 第8段第2句“By limiting food intake, caloric restriction…” 通過限制食物的攝取量，可使進入細胞的葡萄糖降到最低，因此減少ATP的生成量。

  解題思路: 通過 minimizes the amount of glucose 和 less … is processed 的同義轉換關系很快選出答案應該是glucose。

  Question 39

  答案： free radicals

  關鍵詞：one possibility

  定位原文: 第8段第5句“One possibility relates to the ATP-making…” 其中一種說法與ATP生成過程中自由基的釋放有關，人們認為自由基會損傷細胞，因此引起衰老以及像癌癥這類與衰老有關的疾病。

  解題思路: 根據原文，free radicals促進 cancer之類的disease破壞細胞，所以free radicals越少，被疾病破壞的細胞就越少。即題目中給出的部分：cells less damaged by disease，所以答案為free radicals。

  Question 40

  答案： preservation

  關鍵詞： focus on

  定位原文: 第8段最后1句“Another hypothesis suggests…” 另一種假設認為，葡萄糖代謝的降低讓細胞以為食物不足(即使事實并非如此)，而促使細胞進人抗衰老的狀態，這種狀態著重的是維持……

  解題思路: emphasize與focus on屬于同義表達，scarce與in short supply屬于同義表達，所以對應答案為preservation。

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