劍橋雅思9test3閱讀答案解析
2023-07-09 14:52:24 來源:中國教育在線
劍橋雅思9test3閱讀為:information theory–the big idea信息理論-偉大的想法,該篇閱讀的專業(yè)詞較大,難度相對(duì)也較大,下面小編我就來和大家分享下劍橋雅思9test3閱讀答案解析,一起往下看看吧。
劍橋雅思9test3閱讀答案解析
第27題答案是:D
對(duì)應(yīng)原文:D段:Noise usually means unwanted sounds which interfere with genuine information.
答案解析:D段開頭就提到,噪聲是會(huì)干擾到真正信息的多余的聲音,對(duì)應(yīng)題干上factors affecting the transmission of information。隨后又對(duì)噪聲干擾的具體原理給予了解釋,對(duì)應(yīng)explanation,由此確定答案為D。
第28題答案是:F
對(duì)應(yīng)原文:F段:As mobile phone text messages like‘I CN C U’show,it is often possible to leave out a lot of data without losing much meaning.
答案解析:F段中舉了手機(jī)短信的例子,論證哪怕刪去一些信息也不影響含義。其中omitt對(duì)應(yīng)leave out,information對(duì)應(yīng)data,由此確定答案。
第29題答案是:B
對(duì)應(yīng)原文:B段:While at Bell Laboratories,Shannon developed information theory but shunned the resulting acclaim.
答案解析:B段中間靠后位置提到,在貝爾實(shí)驗(yàn)室的時(shí)候,Shannon開發(fā)了信息理論,但卻回避了隨之而來的榮譽(yù)。即Shanoon對(duì)名譽(yù)的態(tài)度,由此確定B為答案。
第30題答案是:E
對(duì)應(yīng)原文:E段:supermarket check-out lasers can read the price even on,say,a crumpled bag of crisps
答案解析:E段中間靠后位置舉了超市掃描器的例子,證明它能夠讀出褶皺薯片袋上的價(jià)格。即能夠解度不完全信息的機(jī)器的詳細(xì)描述。由此確定答案為E。
第31題答案是:A
對(duì)應(yīng)原文:A段:In April 2002 an event took place which demonstrated one of the many applications of information theory.
答案解析:A段開頭提到,2002年4月發(fā)生的一起事件證明了信息理論眾多應(yīng)用中的一種。隨后詳細(xì)描述了該理論如何幫助旅行者1號(hào)。與題干描述完全對(duì)應(yīng),由此確定答案為A。
第32題答案是:C
對(duì)應(yīng)原文:C段:He set out with an apparently simple aim:to pin down the precise meaning of the concept of‘information’
答案解析:C段開頭沒幾句提到,他一開始的目的很簡單,確定信息概念的準(zhǔn)確含義。其中set out與initially對(duì)應(yīng),aim與inteded to對(duì)應(yīng),由此確定答案為C。
第33題答案是:Jupiter Saturn
對(duì)應(yīng)原文:A段:…h(huán)ad sent back spectacular images of Jupiter and Saturn…
答案解析:根據(jù)標(biāo)題the voyager 1 space probe可以很容易定位到A段。從題干中可以看出空上要填兩個(gè)并列的詞匯,再加上pictures與images的同義替換,很容易確定答案為Jupiter and Saturn。
第34題答案是:Solar system
對(duì)應(yīng)原文:A段:…and then soared out of the Solar System on a one-way mission to the stars.
答案解析:順著上一題往下,發(fā)現(xiàn)left與out of同義替換,由此確定答案為solar system。
第35題答案是:sensors circuits
對(duì)應(yīng)原文:A段:Sensors and circuits were on the brink of failing
答案解析:順著上一題往下,跳過低溫對(duì)應(yīng)的句子,發(fā)現(xiàn)failing與題干上的stop working對(duì)應(yīng),再加上空上應(yīng)該填兩個(gè)并列的詞匯,由此確定答案為sensors和circuits。
第36題答案是:spares
對(duì)應(yīng)原文:A段:The solution was to get a message to Voyager I to instruct it to use spares to change the failing parts.
答案解析:順著上一題往下,根據(jù)hope與solution,tell與message的對(duì)應(yīng)定位到這句話,空前詞with與use同義替換,由此確定答案為spares。
第37題答案是:radio dish
對(duì)應(yīng)原文:A段:By means of a radio dish belonging to NASA’s Deep Space Network,the message was sent out into the depths of space
答案解析:根據(jù)message定位到這句話,題干中詢問的是使用什么東西來發(fā)射信息,由此確定答案為radio dish。
第38題答案是:TRUE
對(duì)應(yīng)原文:C段:The most basic form of information,Shannon argued,is whether something is true or false—which can be captured in the binary unit,or‘bit’,of form 1 or 0。
答案解析:原文中提到,基本的信息形式是判斷事物正確與否,這可以用二進(jìn)制單位“比特”以1或者0的形式來記錄。題干中starting point與basic同義替換,send messages over distances是整篇文章的主題,其他基本原詞出現(xiàn),由此確定答案為TRUE。
第39題答案是:TRUE
對(duì)應(yīng)原文:D段:This rate depends on the relative strengths of the signal and noise travelling down the communication channel,and on its capacity
答案解析:原文中提到,具體的速度取決于信號(hào)與噪聲在信道中傳送時(shí)的相對(duì)強(qiáng)度以及信道傳送數(shù)據(jù)的能力。題干中is determined with與原文中depends on同義替換,其他基本原詞出現(xiàn),由此判斷答案為TRUE。
第40題答案是:FALSE
對(duì)應(yīng)原文:E段:As recently as 1993,engineers made a major breakthrough by discovering so-called turbo—which come very close to Shannon’s ultimate limit for the maximum rate that data can be transmitted reliably
答案解析:原文中提到,科學(xué)家最近發(fā)現(xiàn)的編碼方式才剛剛接近Shannon所計(jì)算的理論極限,并沒有超過。由此判斷答案為FALSE。
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