雅思阅读分数上不去要如何备考
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雅思阅读分数上不去 要如何备考?
阅读题效率低的原因和解决方法归为以下三个：
首先，当然是词汇。任何一篇内容相对复杂的阅读文章，都不可避免地出现大量生僻词语或者是难度相对较大的单词。从文章的选材而言，范围是十分丰富的，主要来自世界各国主要的英文报刊杂志，内容涉及任何一个国家的文化、经济、自然和科技等。
而IELTS考试所考查的，是实际运用语言的能力，所以在考试中真正需要理解的单词，或是题目中真正考查到的单词，往往是英语阅读中的一些最核心的单词。这些单词虽然数量不多，难度不大，但却是必须掌握的。就考试而言，掌握6000左右的常用词汇，即大学六级大纲中所要求的词汇是必须的。
第二，复杂的句型结构。有些同学的词汇量已经达到了6000左右，但是依然感觉读不懂文章，这就是因为文章中充斥着大量结构复杂难以把握的复杂句。
如：The challenge now is to develop policies and practices based on a presumption of shared responsibility between men and women, and a presumption that there are potential benefits for men and women, as well as for families and the community, if there is greater gender equality in the responsibilities and pleasures of family life.
这是一个相对复杂的句子，主干是the challenge now is to develop policies and practices, 从based on到句子的结尾处是由过去分词短语充当的状语。后一个presumption后面有一个由that引导的从句，充当presumption的同位语。在同位语的后面，有一个if 引导的条件状语从句。一般而言，对同学们造成障碍的是并列句或并列复合句，倒装结构，所以在训练时可以精挑一个语段做仔细分析。
第三，题型多样化。这个障碍使原本已经拥有相当英语语言实力的考生，在考试中因为缺乏对题型的理解，或是被众多题型干扰，不能正常发挥。
一些必考题型如list of headings, summary, T/F/NG等，可以作为练习重点。如summary题是很多同学感到头痛的题型，普遍感到非常难找。其实不然，只要记住两大原则即可。
原则一，顺序原则。summary题的答案排列顺序，必定与文章的行文顺序一致。原则二，完整的summary，不仅应该能够体现文章本身所表达的思想含义，而且必须是符合语法规律的英语文章。所以根据语法也可以进行判断。
在准备考试的过程中，除了要做IELTS考题之外，还要进行泛读和快速阅读。泛读可以选择一些英美主流媒体的文章，在网站上可以找到，目的是熟悉单词和句型。快速阅读就是用扫描文章的方法对其结构有大致的了解，并把握其主旨。
同时，在重点句子和词汇上做出标记。这种方法对阅读考试帮助极大，平时可多加练习。另外，为了提高阅读的速度还要养成良好的阅读习惯，不能边看边用嘴跟着读，眼、嘴并用必会降低阅读速度;
一旦发现生词(这种情况绝大多数同学都肯定要遇到)，先不要紧张，要通过英语构词法(前缀、词根和后缀)来分析推测词义，或结合上下文、前后词语去猜测，如果根据上下文及前后词语还是无法确切了解其真正含义，可以再看一下这个词对整个句子所构成的影响是肯定的，还是否定的，实际上这对你理解作者的意图已足够了，实在不行就做上记号，将来看一看是否影响答题，如无影响就坚决忽略。
雅思阅读模拟练习及答案
From The Economist print edition
How shops can exploit people’s herd mentality to increase sales
1. A TRIP to the supermarket may not seem like an exercise in psychological warfare—but it is. Shopkeepers know that filling a store with the aroma of freshly baked bread makes people feel hungry and persuades them to buy more food than they had intended. Stocking the most expensive products at eye level makes them sell faster than cheaper but less visible competitors. Now researchers are investigating how “swarm intelligence” (that is， how ants， bees or any social animal， including humans， behave in a crowd) can be used to influence what people buy.
2. At a recent conference on the simulation of adaptive behaviour in Rome， Zeeshan-ul-hassan Usmani， a computer scientist from the Florida Institute of Technology， described a new way to increase impulse buying using this phenomenon. Supermarkets already encourage shoppers to buy things they did not realise they wanted： for instance， by placing everyday items such as milk and eggs at the back of the store， forcing shoppers to walk past other tempting goods to reach them. Mr Usmani and Ronaldo Menezes， also of the Florida Institute of Technology， set out to enhance this tendency to buy more by playing on the herd instinct. The idea is that， if a certain product is seen to be popular， shoppers are likely to choose it too. The challenge is to keep customers informed about what others are buying.
3. Enter smart-cart technology. In Mr Usmani’s supermarket every product has a radio frequency identification tag， a sort of barcode that uses radio waves to transmit information， and every trolley has a scanner that reads this information and relays it to a central computer. As a customer walks past a shelf of goods， a screen on the shelf tells him how many people currently in the shop have chosen that particular product. If the number is high， he is more likely to select it too.
4. Mr Usmani’s “swarm-moves” model appeals to supermarkets because it increases sales without the need to give people discounts. And it gives shoppers the satisfaction of knowing that they bought the “right” product—that is， the one everyone else bought. The model has not yet been tested widely in the real world， mainly because radio frequency identification technology is new and has only been installed experimentally in some supermarkets. But Mr Usmani says that both Wal-Mart in America and Tesco in Britain are interested in his work， and testing will get under way in the spring.
5. Another recent study on the power of social influence indicates that sales could， indeed， be boosted in this way. Matthew Salganik of Columbia University in New York and his colleagues have described creating an artificial music market in which some 14，000 people downloaded previously unknown songs. The researchers found that when people could see the songs ranked by how many times they had been downloaded， they followed the crowd. When the songs were not ordered by rank， but the number of times they had been downloaded was displayed， the effect of social influence was still there but was less pronounced. People thus follow the herd when it is easy for them to do so.
6. In Japan a chain of convenience shops called RanKing RanQueen has been ordering its products according to sales data from department stores and research companies. The shops sell only the most popular items in each product category， and the rankings are updated weekly. Icosystem， a company in Cambridge， Massachusetts， also aims to exploit knowledge of social networking to improve sales.
7. And the psychology that works in physical stores is just as potent on the internet. Online retailers such as Amazon are adept at telling shoppers which products are popular with like-minded consumers. Even in the privacy of your home， you can still be part of the swarm.
Questions 1-6
Complete the sentences below with words taken from the reading passage. Use NO MORE THAN THREE WORDS for each answer.
1. Shopowners realize that the smell of _______________ can increase sales of food products.
2. In shops， products shelved at a more visible level sell better even if they are more _______________.
3. According to Mr. Usmani， with the use of “swarm intelligence” phenomenon， a new method can be applied to encourage _______________.
4. On the way to everyday items at the back of the store， shoppers might be tempted to buy _______________.
5. If the number of buyers shown on the _______________ is high， other customers tend to follow them.
6. Using the “swarm-moves” model， shopowners do not have to give customers _______________ to increase sales.
Questions 7-12
Do the following statements agree with the information given in the reading passage? For questions 7-12 write
YES if the statement agrees with the information
NO if the statement contraicts the information
NOT GIVEN if there is no information on this in the passage
7. Radio frequency identification technology has been installed experimentally in big supermarkets like Wal-Mart.
8. People tend to download more unknown songs than songs they are familiar with.
9. Songs ranked high by the number of times being downloaded are favored by customers.
10. People follow the others to the same extent whether it is convenient or not.
11. Items sold in some Japanese stores are simply chosen according to the sales data of other shops.
12. Swarm intelligence can also be observed in everyday life.
Answer keys：
1. 答案：(freshly baked) bread. (第1段第2 行：Shoppers know that filling a store with the aroma of freshly baked bread makes people feel hungry and persuades them to buy more food than they intended.)
2. 答案：expensive. (第1段第4 行： Stocking the most expensive products at eye level makes them sell faster than cheaper but less visible competitors.)
3. 答案：impulse buying. (第2段第1 句：At a recent conference on the simulation of adaptive behaviour in Rome， Zeeshan- ul- hassan Usmani， a computer scientist from the Florida Institute of Technology， described a new way to increase impulse buying using this phenomenon.)
4. 答案：other (tempting) goods/things/products. (第2段第2 句：Supermarkets already encourage shoppers to buy things they did not realise they wanted： for instance， by placing everyday items such as milk and eggs at the back of the store， forcing shoppers to walk past other tempting goods to reach them.)
5. 答案：screen. (第3段第4 行：As a customer walks past a shelf of goods， a screen on the shelf tells him how many people currently in the shop have chosen that particular product. If the number is high， he is more likely to select it too.)
6. 答案：discounts. (第4段第第1句：Mr Usmani’s “swarm- moves” model appeals to supermarkets because it increases sales without the need to give people discounts.)
7. 答案：NO. (第4段第3、4 句：The model has not yet been tested widely in the real world， mainly because radio frequency identification technology is new and has only been installed experimentally in some supermarkets. But Mr Usmani says that both Wal- Mart in America an Tesco in Britain are interestd in his workd， and testing will get under way in the spring. 短语 “get under way”的意思是“开始进行”，在Wal-Mart的试验要等到春天才开始)
8. 答案：NOT GIVEN. (在文中没有提及该信息)
9. 答案：YES。 (第5段第3 句：The reseachers found that when people could see the songs ranked by how many times they have been downloaded， they followed the crowd.)
10. 答案：NO。 (第5段最后两句：When the songs are not ordered by rank， but the number of times they had been downloaded was displayed， the effect of social influence was still there but was less pronounced. People thus follow the herd when it is easy for them to do so. pronounced 的词义是“显著的、明显的”)
11. 答案：YES。 (第6段第1 句：In Japan a chain of convenience shops called RanKing RanQueen has been ordering its products according to sales data from department stores and research companies.)
12. 答案：YES。 (最后一段最后一句：Even in the privacy of your home， you can still be part of the swarm. home应该算是everyday life的一部分
雅思阅读模拟练习及答案
Rogue theory of smell gets a boost
1. A controversial theory of how we smell， which claims that our fine sense of odour depends on quantum mechanics， has been given the thumbs up by a team of physicists.
2. Calculations by researchers at University College London (UCL) show that the idea that we smell odour molecules by sensing their molecular vibrations makes sense in terms of the physics involved.
3. That’s still some way from proving that the theory， proposed in the mid-1990s by biophysicist Luca Turin， is correct. But it should make other scientists take the idea more seriously.
4. “This is a big step forward，” says Turin， who has now set up his own perfume company Flexitral in Virginia. He says that since he published his theory， “it has been ignored rather than criticized.”
5. Most scientists have assumed that our sense of smell depends on receptors in the nose detecting the shape of incoming molecules， which triggers a signal to the brain. This molecular ’lock and key’ process is thought to lie behind a wide range of the body’s detection systems： it is how some parts of the immune system recognise invaders， for example， and how the tongue recognizes some tastes.
6. But Turin argued that smell doesn’t seem to fit this picture very well. Molecules that look almost identical can smell very different — such as alcohols， which smell like spirits， and thiols， which smell like rotten eggs. And molecules with very different structures can smell similar. Most strikingly， some molecules can smell different — to animals， if not necessarily to humans — simply because they contain different isotopes (atoms that are chemically identical but have a different mass)。
7. Turin’s explanation for these smelly facts invokes the idea that the smell signal in olfactory receptor proteins is triggered not by an odour molecule’s shape， but by its vibrations， which can enourage an electron to jump between two parts of the receptor in a quantum-mechanical process called tunnelling. This electron movement could initiate the smell signal being sent to the brain.
8. This would explain why isotopes can smell different： their vibration frequencies are changed if the atoms are heavier. Turin’s mechanism， says Marshall Stoneham of the UCL team， is more like swipe-card identification than a key fitting a lock.
9. Vibration-assisted electron tunnelling can undoubtedly occur — it is used in an experimental technique for measuring molecular vibrations. “The question is whether this is possible in the nose，” says Stoneham’s colleague， Andrew Horsfield.
10. Stoneham says that when he first heard about Turin’s idea， while Turin was himself based at UCL， “I didn’t believe it”。 But， he adds， “because it was an interesting idea， I thought I should prove it couldn’t work. I did some simple calculations， and only then began to feel Luca could be right.” Now Stoneham and his co-workers have done the job more thoroughly， in a paper soon to be published in Physical Review Letters.
11. The UCL team calculated the rates of electron hopping in a nose receptor that has an odorant molecule bound to it. This rate depends on various properties of the biomolecular system that are not known， but the researchers could estimate these parameters based on typical values for molecules of this sort.
12. The key issue is whether the hopping rate with the odorant in place is significantly greater than that without it. The calculations show that it is — which means that odour identification in this way seems theoretically possible.
13. But Horsfield stresses that that’s different from a proof of Turin’s idea. “So far things look plausible， but we need proper experimental verification. We’re beginning to think about what experiments could be performed.”
14. Meanwhile， Turin is pressing ahead with his hypothesis. “At Flexitral we have been designing odorants exclusively on the basis of their computed vibrations，” he says. “Our success rate at odorant discovery is two orders of magnitude better than the competition.” At the very least， he is putting his money where his nose is.
Questions 1-4
Do the following statements agree with the information given in the passage? Please write
TRUE if the statement agrees with the writer
FALSE if the statement does not agree with the writer
NOT GIVEN if there is no information about this in the passage
1. The result of the study at UCL agrees with Turin’s theory.
2. The study at UCL could conclusively prove what Luca Turin has hypothesized.
3. Turin left his post at UCL and started his own business because his theory was ignored.
4. The molecules of alcohols and those of thiols look alike.
Questions 5-9
Complete the sentences below with words from the passage. Use NO MORE THAN THREE WORDS for each answer.
5. The hypothesis that we smell by sensing the molecular vibration was made by ______.
6. Turin’s company is based in ______.
7. Most scientists believed that our nose works in the same way as our ______.
8. Different isotopes can smell different when ______ weigh differently.
9. According to Audrew Horsfield， it is still to be proved that ______ could really occur in human nose.
Question 10-12
Answer the questions below using NO MORE THAN THREE WORDS from the passage for each answer.
10. What’s the name of the researcher who collaborated with Stoneham?
11. What is the next step of the UCL team’s study?
12. What is the theoretical basis in designing odorants in Turin’s company?
(by Zhou Hong)
Answer Keys and Explanations
1. T 见第一段。“give sth the thumbs up”为“接受“的意思。
2. F 见第三段。 “That’s still some way from proving that the theory， proposed in the mid- 1990s by biophysicist Luca Turin， is correct.”意即“现在尚无法证实生物物理学家Luca在九十年代中期提出的理论是否正确。”
3. NG
4. T 见第六段 “Molecules that look almost identical can smell very different — such as alcohols， which smell like spirits， and thiols， which smell like rotten eggs.”“identical” 一词是“完全相同”的意思。这句话是说alcohols和thiols的分子结构看起来一样，但是它们的味道却相去甚远。
5. Luca Turin 文章第二，三和七段均可看出Luca的理论即人类的鼻子是通过感觉气味分子的震动来分辨气味的。
6. Virginia 见第四段。
7. tongue 见第五段 “This molecular ’lock and key’ process is thought to lie behind a wide range of the body’s detection systems： it is how some parts of the immune system recognise invaders， for example， and how the tongue recognizes some tastes.”
8. the atoms 见第八段 “This would explain why isotopes can smell different： their vibration frequencies are changed if the atoms are heavier.”
9. vibration-assisted electron tunneling 见第九段 ““The question is whether this is possible in the nose，” says Stoneham’s colleague， Andrew Horsfield.” 句中的代词“this”指句首的“vibration-assisted electron tunneling”。
10. Andrew Horsfield 见第九段结尾。
11.proper experimental verification 见第十三段。
12.their computed vibrations 见第十四段
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雅思阅读分数上不去要如何备考
