雅思阅读难点句子剖析

雅思托福考试是全球最广泛使用的英语语言考试之一，被许多国家的大学、移民机构、企业和政府部门用作衡量语言能力的标准。考生需要在听、说、读、写四个方面进行测试，其中有不少同学想要了解：雅思阅读难点句子剖析，那么下面中国教育在线小编就来和大家分享一番。

分析：本句主句为The best estimates are that; that the temperatures will rise y2-3℃ in this century, causing considerable problems, at a total cost of US$5,000 billion.为that引导的表语从句，做are的表语; causing considerableproblems为现在分词短语做伴随状语。

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

分析：本句中 Despite the intuition that something drastic needs to be done aboutsuch a costly problem为介词短语作让步状语;其中that something drastic needs to be doneabout such a costly problem为that引导的同位语从句，做the intuition的同位语;economic analysisclearly show it will be far more expensive to cut carbon dioxide emissionsradically than to pay the costs of adaptation to the increasedtemperatures.为本句的主句，其中it will be far more expensive to cut carbon dioxideemissions radically than to pay the costs of adaptation to the increasedtemperatures.为宾语从句，做show的宾语，引导词省略，it为形式主语，后面的不定式为真正的主语。

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

分析：本句主句为It is crucial that we look at the facts; 其中It为形式主语，that we lookat the facts为that引导的主语从句，是该句子真正的主语;if we want to make the best possibledecisions for the future为if引导的条件状语从句。

4. Some are thermoplastic, which means that, like candlewax, they meltwhen heated and can then be reshaped.(剑5, Test 2 passage 1)

分析：本句的主句为Some are thermoplastic; which means that, like candlewax,they melt when heated and can then bereshaped.为定语从句，做thermoplastic的定语，关系词为which; 在此定语从句中that, like candlewax,they melt when heated and can then be reshaped. 为that引导的宾语从句，做means的宾语;whenheated为过去分词短语做状语，做they melt的时间状语。

5. Baekelands interest in plastics began in 1885 when, as a young studentin Belgium, he embarked on research into phenolic resins, the group of stickysubstances produced when phenol (carbolic acid) combines with an aldehyde (avolatile fluid similar to alcohol). (剑5, Test 2 passage 1)

分析：本句的主句为Baekelands interest in plastics began; in 1885为时间状语，而when, asa young student in Belgium, he embarked on research into phenolicresins为定语从句，做1885的定语，关系词为when; the group of sticky substances为phenolicresins的同位语;produced when phenol (carbolic acid) combines with an aldehyde (avolatile fluid similar to alcohol为过去分词短语做定语，做the group of stickysubstances的定语，而when phenol (carbolic acid) combines with an aldehyde (avolatile fluid similar to alcohol).为when引导的时间状语从句。

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

分析：本句的主句为Baekeland took out his famous patent, On 13 July1907为时间状语;describing this preparation为现在分词短语做定语，做his famous patent的定语;theessential features of which are still in use today为同位语，做thispreparation的同位语;而其中of which are still in usetoday为定语从句，做features的定语，关系词为which。

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

分析：本句的主句为The result was a resin; known asNovalak为过去分词短语做定语，做resin的定语;which became solule and malleable whenheated.为定语从句，做Novalak的定语，关系词为which; when heated为过去分词短语做状语，在该定语从句中做时间状语。

8. The object could not be designed so that it was locked into the mouldand therefore difficult to extract. (剑5, Test 2 passage 1) 分析：本句的主句为The objectcould not be designed; so that it was locked into the mould and thereforedifficult to extract.为so that引导的结果状语从句。

9. Baekelands invention, although treated with disdain in its early years,went on to enjoy an unparalleled popularity which lasted throughout the firsthalf of the twentieth century.(剑5, Test 2 passage 1)

分析：本句的主句为Baekelands invention went on to enjoy an unparalleledpopularity; although treated with disdain in its earlyyears为过去分词短语做让步状语;which lasted throughout the first half of the twentiethcentury为定语从句，做popularity的定语，关系词为which。

10. Electrical manufacturers seized on its insulating properties, andconsumers everywhere relished its dazzling array of shades, delighted that theywere now, at last, no longer restricted to the wood tones and drab browns of thepre-plastic era.(剑5, Test 2 passage 1)

分析：本句为并列句，Electrical manufacturers seized on its insulatingproperties和consumers everywhere relished its dazzling array ofshades并列，由and连接;delighted that they were now, at last, no longer restricted tothe wood tones and drab browns of the pre-plastic era为过去分词短语做伴随状语;其中that theywere now, at last, no longer restricted to the wood tones and drab browns of thepre-plastic era为that引导的宾语从句(其前省掉了介词at)。

11. Kant and Freud felt that joke-telling relies on building up a psychictension which is safely punctured by the ludicrousness of the punchline.(剑5,Test 2 passage 2)

分析：本句的主句为Kant and Freud felt that, 其中that joke-telling relies onbuilding up a psychic tension which is safely punctured by the ludicrousness ofthe punchline.为that引导的宾语从句，做felt的宾语;而which is safely punctured by theludicrousness of the punchline为定语从句，做a psychic tension的定语，关系词为which。

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