雅思閱讀備考需積累常識(shí)

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下面我們結(jié)合題目具體說明常識(shí)在做題中的作用。

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例一(劍六P71 The Search for the Anti-aging Pill)

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

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.

解題：

首先讀選項(xiàng)，我們會(huì)發(fā)現(xiàn)A 選項(xiàng)是卡路里即熱量攝入受限制的猴子，而B選項(xiàng)，我們可以猜出它為熱量攝入不受限制的猴子，當(dāng)然若考生不判斷可以到文章中定位找control monkeys，原文為“control animals that eat normally”,因此可以判斷B選項(xiàng)為正常飲食即熱量攝入不受限制的猴子。

接下來讀題目，33題為“猴子成為糖尿病患者的幾率減少”，依據(jù)常識(shí)我們都知道現(xiàn)在健康專家倡導(dǎo)人們減少卡路里即熱量的攝入，因此我們可以判斷此題答案為A; 而34題為“猴子閱歷更多的慢性疾病”，依據(jù)同樣的常識(shí)我又可以判斷此題答案為B;36題為“猴子得心臟病的幾率減少”，我們也可以得出答案為A。

35題和37題可能依據(jù)常識(shí)無法斷定答案，這種情形下考生就須要應(yīng)用定位詞到文章中定位找答案了。

例二(劍五P89 Flawed Beauty: the problem with toughened glass)

Questions 18-23

Complete the summary with the list of words A-P below.

Toughened glass

Toughened glass is favored by architects because it is much stronger than ordinary glass, and the fragments are not as 18________ when it breaks. However, it has one disadvantage: it can shatter 19________. This fault is a result of the manufacturing process. Ordinary glass is first heated, then cooled very 20________. The outer layer 21________ before the inner layer, and the tension between the two layers……These are unstable, and can expand suddenly, particularly if the weather is 22________. If this happens, the pane of glass may break. The frequency with which such problems occur is 23________ by glass experts…….

解題：依據(jù)標(biāo)題中的第一句話我們能猜出toughened glass為鋼化玻璃，18題中講當(dāng)鋼化玻璃破碎時(shí)，它的碎片不像普通玻璃一樣____?依據(jù)常識(shí)我們知道鋼化玻璃破碎時(shí)碎片不那么銳利，所以此題答案為F;同樣依據(jù)常識(shí)，鋼化玻璃有時(shí)會(huì)突然破碎，19題答案為I;20題考生若不斷定答案可以應(yīng)用定位信息到文章中定位答案，答案為C;21題我們又可以應(yīng)用常識(shí)“熱脹冷縮”，斷定判斷外層比內(nèi)層先壓縮，所以答案為K;22題同樣應(yīng)用“熱脹冷縮”的常識(shí)，判斷是天溫暖的時(shí)候才會(huì)膨脹，因此斷定答案為E;23題依據(jù)常識(shí)無法斷定答案，考生應(yīng)用定位信息到文章中定位斷定答案，答案為L(zhǎng)。

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