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留學(xué)中介口碑查詢
時間:2015-12-11
來源:留學(xué)監(jiān)理網(wǎng)
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托福閱讀中,句子簡化題是十大題型之一。通常情況下托福閱讀都會有1道簡化題。以下為大家集中整理了TPO閱讀中出現(xiàn)的句子簡化題,以期能幫助大家提高托福閱讀分?jǐn)?shù)。
句子簡化題包含兩個層面:語義和邏輯,也是我們在托福閱讀備考過程中經(jīng)常會遇到的類型題,希望通過本文的簡化,我們會了解托福閱讀常見的邏輯關(guān)系轉(zhuǎn)換四大明顯和隱含關(guān)系,對我們的托福閱讀考試會有一定的幫助。
為大家提供一個比較有效的破解托福句子簡化題的方法。
一、判斷句類:簡單句or復(fù)雜句?
二、找出主干和句內(nèi)邏輯
三、在選項中找到句子主干和邏輯關(guān)系
托福閱讀句子簡化題:
Graves drew two conclusions from these observations. First, at least some of the observed differences between the enzymes of the Atlantic and Pacific fish
populations were not random but were the result of evolutionary adaptation. Second, it appears that closely related populations of fishes on both sides of the isthmus are starting to genetically diverge from each other. Because Graves’s study of geographically isolated populations of isthmus fishes offers a glimpse of the beginning of a process of gradual accumulation of mutations that are neutral or adaptive, divergences here might be evidence of allopatric speciation in process. Q12 Which of the sentence below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
A. Graves’s study provides evidence that isthmus fishes are in the process of becoming geographically isolated.
B. Graves’s study of mutating isthmus fishes yields results that differ from results of other studies involving allopatric speciation.
C. Graves’s study of isolated populations of isthmus fishes provides some evidence that allopatric speciation might be beginning.
D. Graves’s study indicates that when isolated, populations of isthmus fishes register neutral or adaptive mutations.
1. 首先確定句子核心信息
Because Graves’s study of geographically isolated populations of isthmus fishes offers a glimpse of the beginning of a process of gradual accumulation of mutations that are neutral or adaptive, 【divergences here might be evidence of allopatric speciation in process.】
詞匯:
A glimpse of 看見,瞥見 Mutation 突變,變種
Divergence 變化,變異
Allopatric speciation 異地物種形成
2. 理解大意
該句是由because引導(dǎo)的原因狀語從句和方括號內(nèi)的主句組成的嵌套句,從句的主謂賓已用綠色字體標(biāo)出,大意為:因為G的研究讓人們看到了突變的逐漸累積過程的開始,所以這里的變異可能是正在進(jìn)行中的異地物種形成的證據(jù)。也即是說:G的研究為異地物種形成提供了證據(jù)。
3. 核對選項
A. Graves’s study provides evidence that isthmus fishes are in the process of
becoming geographically isolated.
A選項主句信息缺失
B. Graves’s study of mutating isthmus fishes yields results that differ from results of
other studies involving allopatric speciation. B選項提到“不同”,而原句未提及
C. Graves’s study of isolated populations of isthmus fishes provides some evidence
that allopatric speciation might be beginning.
C選項說到G關(guān)于魚的研究為異地物種形成的開始提供了證據(jù),與之前分析的大意一致
D. Graves’s study indicates that when isolated, populations of isthmus fishes
register neutral or adaptive mutations. D選項主句信息缺失
所以該題正確答案為C。
以上就是小編整理的有關(guān)托福閱讀簡化題的相關(guān)內(nèi)容,希望對你的托福閱讀考試會有一定的幫助。
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