應(yīng)對(duì)雅思閱讀考試的過(guò)程中，遍讀文章時(shí)，我們應(yīng)當(dāng)模擬考試的緊張氣氛，盡量高質(zhì)快速。下面是小編給大家整理的雅思復(fù)習(xí)資料閱讀長(zhǎng)難句，大家可以作為學(xué)習(xí)參考。

1. The best estimates are that the temperatures will rise y 2-3℃ in this century, causing considerable problems, at a total cost of US $5,000 billion.(劍5, Test 1 passage 3)

分析：本句主句為“The best estimates are that…”; “that the temperatures will rise y 2-3℃ in this century, causing considerable problems, at a total cost of US $5,000 billion.”為that引導(dǎo)的表語(yǔ)從句，做are的表語(yǔ); “causing considerable problems”為現(xiàn)在分詞短語(yǔ)做伴隨狀語(yǔ)。

2. Despite the intuition that something drastic needs to be done about such a costly problem, economic analysis clearly show it will be far more expensive to cut carbon dioxide emissions radically than to pay the costs of adaptation to the increased temperatures.(劍5, Test 1 passage 3)

分析：本句中“Despite the intuition that something drastic needs to be done about such a costly problem”為介詞短語(yǔ)作讓步狀語(yǔ);其中“that something drastic needs to be done about such a costly problem”為that引導(dǎo)的同位語(yǔ)從句，做the intuition的同位語(yǔ);“economic analysis clearly show it will be far more expensive to cut carbon dioxide emissions radically than to pay the costs of adaptation to the increased temperatures.”為本句的主句，其中“it will be far more expensive to cut carbon dioxide emissions radically than to pay the costs of adaptation to the increased temperatures.”為賓語(yǔ)從句，做show 的賓語(yǔ)，引導(dǎo)詞省略，it為形式主語(yǔ)，后面的不定式為真正的主語(yǔ)。

3. It is crucial that we look at the facts if we want to make the best possible decisions for the future. (劍5, Test 1 passage 3)

分析：本句主句為“It is crucial that we look at the facts”; 其中It為形式主語(yǔ)，“that we look at the facts”為that引導(dǎo)的主語(yǔ)從句，是該句子真正的主語(yǔ);“if we want to make the best possible decisions for the future”為if引導(dǎo)的條件狀語(yǔ)從句。

4. Some are ‘thermoplastic’, which means that, like candlewax, they melt when heated and can then be reshaped.(劍5, Test 2 passage 1)

分析：本句的主句為“Some are ‘thermoplastic’”; “which means that, like candlewax, they melt when heated and can then be reshaped.”為定語(yǔ)從句，做‘thermoplastic’的定語(yǔ)，關(guān)系詞為 which; 在此定語(yǔ)從句中“that, like candlewax, they melt when heated and can then be reshaped.” 為that引導(dǎo)的賓語(yǔ)從句，做means的賓語(yǔ);“when heated”為過(guò)去分詞短語(yǔ)做狀語(yǔ)，做they melt的時(shí)間狀語(yǔ)。

5. Baekeland’s interest in plastics began in 1885 when, as a young student in Belgium, he embarked on research into phenolic resins, the group of sticky substances produced when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol). (劍5, Test 2 passage 1)

分析：本句的主句為“Baekeland’s interest in plastics began”; in 1885為時(shí)間狀語(yǔ)，而“when, as a young student in Belgium, he embarked on research into phenolic resins”為定語(yǔ)從句，做1885的定語(yǔ)，關(guān)系詞為when; “the group of sticky substances”為phenolic resins的同位語(yǔ);“produced when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol”為過(guò)去分詞短語(yǔ)做定語(yǔ)，做the group of sticky substances的定語(yǔ)，而“when phenol (carbolic acid) combines with an aldehyde (a volatile fluid similar to alcohol).”為when引導(dǎo)的時(shí)間狀語(yǔ)從句。

6. On 13 July 1907, Baekeland took out his famous patent describing this preparation, the essential features of which are still in use today. (劍5, Test 2 passage 1)

分析：本句的主句為“Baekeland took out his famous patent”, “On 13 July 1907”為時(shí)間狀語(yǔ);“describing this preparation”為現(xiàn)在分詞短語(yǔ)做定語(yǔ)，做his famous patent的定語(yǔ);“the essential features of which are still in use today”為同位語(yǔ)，做this preparation的同位語(yǔ);而其中“of which are still in use today”為定語(yǔ)從句，做features的定語(yǔ)，關(guān)系詞為which。

7. The result was a resin known as Novalak, which became solule and malleable when heated. (劍5, Test 2 passage 1)

分析：本句的主句為“The result was a resin”; “known as Novalak”為過(guò)去分詞短語(yǔ)做定語(yǔ)，做resin的定語(yǔ);“which became solule and malleable when heated.”為定語(yǔ)從句，做Novalak的定語(yǔ)，關(guān)系詞為which; “when heated”為過(guò)去分詞短語(yǔ)做狀語(yǔ)，在該定語(yǔ)從句中做時(shí)間狀語(yǔ)。

以上就是雅思復(fù)習(xí)資料閱讀長(zhǎng)難句，希望可以給大家在備考的時(shí)候帶來(lái)幫助。