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剑桥雅思7阅读解析Test1Passage1

2015-08-25 10:11| 来源:环球雅思 | 点击量:

摘要: 剑桥雅思7阅读解析Test1Passage1
今天环球雅思为各位雅思考生带来剑桥雅思7阅读解析Test1Passage1,希望可以帮助广大雅思考生轻松备考雅思

剑桥雅思7阅读真题
剑桥雅思7阅读真题
剑桥雅思7阅读真题
剑桥雅思7阅读真题
剑桥雅思7阅读真题
剑桥雅思7阅读真题
剑桥雅思7阅读真题

 
名师点题剑桥雅思7阅读:
 
READING PASSAGE 1
文章结构
体 裁 科普知识
主 题 从蝙蝠夜间觅食探索声纳和雷达的原理
段落概括  
A 蝙蝠在夜间活动的原因。
B 其他不依靠光识路觅食的动物。
C 人类以外的其他物种如何自己制造光。
D “面部视觉”原理以及根据此原理的发明。
E 声纳和雷达的工作原理——“回波定位”。
 
名师点题剑桥雅思7阅读:
 
考题精解
Questions 1-5
『题型』MATCHING
『解析』
题号 关键词 原文定位 题解
1 do not rely on vision(不依赖视觉) B:第四句 Deep-sea fish and whales have little or no light by day or by night.意思是:深海鱼类和鍊鱼无论白天还是夜晚都几乎或者根本看不到光线。
2 early mammals avoided dying out (早期哺乳动物避免灭亡) A:倒数第二句 In the time when the dinosaurs dominated the daytime economy, our mammalian ancestors probably only managed to survive at all because they found ways of scraping a living at night.意思是:在恐龙作为主宰白天市场的霸主时期,我们的哺乳类祖先们之所以能成功存活,正是因为找到了在夜间勉强度日的生计。
3 why, dark A:第五句 Given that there is a living to be made at night, and given that alternative daytime trades are thoroughtly occupied, natural selection has favoured bats that make a go of the night-hunting trade.意思是:考虑到夜间生计不能空缺,同时各种白天的贸易又被侵占无几,自然选择法则便恩泽蝙蝠在夜间捕食的买卖中一试身手。
4 particular discovery, helped our understanding E:第三句 But the underlying mathematical theories of radar and sonar are very similar, and much of our scientific understanding of the details of what bats are doing has come from applying radar theory to them.意思是:但是,雷达和声纳的潜在数学原理非常相似,并且我们对于蝙蝠行为细节的多数科学理解都是靠将雷达的理论应用到蝙蝠之上而得来的。
5 early military uses, echolotion G:第一句话 After this technique had been invented, it was only a matter of time before wapons designers adapted it for the detection of submarines.意思是:在这项技术发明以后,武器设计者们把它改进成潜艇探测器只是早晚的事情。
总结:本题型属于段落配信息题目。首先要通读全部题目,划出定位词。这种题型一般放在整篇最后做比较好,在细节题做完对文章已经有了一定的熟悉之后再来把握整体会更快。
 
Questions 6-9
『题型』填空题——SUMMARY题型
『解析』
题号 关键词 原文定位 题解
6 more similar to, pain, arm or leg D:第五句 Experients showed that, in fact, facial vision is nothing to do with touch or the front of the face,although the sensation may be referred to the front of the face, like the referred pain in a phantom limb.
这道题目的空格前存在一个“a”,而出题句中也有一个“a”,所以答案就是phantom。但是,不能填limb (四肢),因为对应arm or leg。
7 perceiving, through the ear D:第六、七句 The sensation of facial vision, it turns out, really goes in through the ears. Blind people, without even being aware of the fact, are actually using echoes of their own footsteps and of other sounds, to sense the presence of obstacles.
这道题目在第一句出题句里面没有,所以就向下看一句,发现using对应perceiving,所以答案是echoes。
8 instruments, calculated, seabed D:第八句 Before this was discovered, engineers had already built instruments to exploit the principle, for example to measure the depth of the sea under a ship.
这道题目关键在于题干空格后面有一个“of”,对应原文出题句里的“of”,所以前面的depth就是答案。
9 wartime application, finding D:第九句 After this technique had been invented, it was only a matter of time before wapons designers adapted it for the detection of submarines.
这道题目的难点在于wartime对应weapons,finding对应detection(识别)。
 
Questions 10-13
『题型』填空题——完成句子
『解析』
题号 关键词 原文定位 题解
10 before the invention of radar, sophisticated radar-like system E:第一句 The Sonar and Radar pioneers didn’t konw it then, but all the world now knows that bats, or rather natural selection working on bats, had perfected the system tens of millions of years earlier...
这道题目同义词替换变化较大,Before the invention of radar替换成tens of millions of years earlier, sophisticated radar-like system 替换成perfected the system
11 inaccurate term, because, not used E:第二句 It is technically incorrect to talk about bat ‘radar’, since they do not use radio waves.
这道题目的窍门在于发现因果关系词because和since的对应。
12 similar E:第四句 But the underlying mathematical theories of radar and sonar are very similar...
这道题目只能填两个单词,不能填underlying。
13 ‘echolocation’, first used E:最后一句 The American zoologist Donald Griffin, who was largely responsible for the discovery of sonar in bats, coined the term ‘echolocation’ to cover both sonar and radar, whether used by animals or by human instruments.
这道题目的关键在于在出题句中找到一个单数名词,因为空格前面有一个“a”。所以只能填zoologist。但是,不能写上American,因为“a”不能接American。
 
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