18.This is a dangerous world we live in.The number of murders goes up every year,people are dying of cancer,more people contract HIV,more teens are using drugs,etc.You know this because you've heard all the statistics on the news and in the paper.But do you really have an accurate idea what they mean?The numbers are going up,but how do they compare to the growth in population?Are more cases of these diseases being reported because of better testing techniques,or are the diseases more common?The fact is that without knowing the background statistics means very little.
This growing trend of reporting only part of the information is becoming dangerous.For example,several years ago a high school student reported the dangers of the chemical known as dihydrogen monoxide(一氧化二氫).This chemical,found in most cancerous tumors,is often found in the blood of people drunk on alcohol,and causes complete physical and mental dependence for those who take the chemical even once.After reading his report,more than 75% of his Advanced Placement Chemistry class voted to forbid this dangerous chemical!Every one of the above statements is true,yet this chemical is necessary to all life on earth.The students made the mistake because they voted knowing only a few statements and statistics,rather than the chemical's full background.
The point of this article is that one should be aware of what is and is not being said.When one finds a new fact or number,one should try to consider other important information before forming an opinion with only half-truths.Always remember that the author is trying to convince you of his or her own view,and will leave out information that is different to his view.For example,look again at the statistics that suggest skiing is safe.Only 32people may die each year when skiing,while 897die from lightning strikes,but which is really the most dangerous?If you think about it,you realize far fewer people go skiing each year than the number of people who are in danger of a lightning strike.When you think about it,skiing is more dangerous than you might at first think when looking at statistic.If we teenagers are to be left in this world,we had better be able to think critically,and form our own views,rather than be easily persuaded by another's.To be warned is to be prepared.
(Note:Answer the questions or complete the statements in NO MORE THAN TEN WORDS)

78.What makes us concerned that the world is becoming more and more dangerous?All the statistics on the news and in the paper.
79.The example in the 2nd paragraph is used to prove that some reports areUnconvincing.
unless they include information from all sides.
80.In order to ensure their views are acceptable,some authors willleave out information that is different to his view..
81.What's the author's suggestion for teenagers?To think critically,and form our own views..

分析 本文論述了片面報(bào)道的危害性,例如有些片面數(shù)據(jù)表明謀殺案的數(shù)量在增加,這項(xiàng)數(shù)據(jù)引起人們的極大恐慌;一個(gè)學(xué)生發(fā)現(xiàn)一氧化二氫的危害,使得對(duì)一氧化二氫禁用,而實(shí)際這些數(shù)據(jù)都是片面的,但是這些報(bào)道卻忽視了這一點(diǎn),從而造成不必要的恐慌.所以人們?cè)谠趯?duì)事物只有一知半解的時(shí)候不能發(fā)表不負(fù)責(zé)任的言論,同時(shí)要學(xué)會(huì)批判性的來(lái)看待別人的觀點(diǎn).

解答 答案:
78.All the statistics on the news and in the paper.
細(xì)節(jié)理解題   此處的問(wèn)題是"是什么讓我們擔(dān)心這個(gè)世界正變得越來(lái)越危險(xiǎn)?";根據(jù)第一段可知,"You know this because you've heard all the statistics on the news and in the paper."(因?yàn)槟懵?tīng)到了新聞和報(bào)紙中的所有統(tǒng)計(jì)數(shù)據(jù),所以你了解到了這個(gè)問(wèn)題)中的"this"指的是"The number of murders goes up every year,people are dying of cancer,more people contract HIV,more teens are using drugs,etc"(謀殺案件的數(shù)量逐年上升,人們死于癌癥,更多的人感染艾滋病毒,越來(lái)越多的青少年在服用毒品等);故答案為:All the statistics on the news and in the paper.
79.Unconvincing.
主旨題   根據(jù)第二段中的第一句This growing trend of reporting only part of the information is becoming dangerous.可以知道這種只報(bào)道片面信息的趨勢(shì)對(duì)社會(huì)是有危害的.以及最后一句The students made the mistake because they voted knowing only a few statements and statistics,rather than the chemical's full background
"可以知道這些學(xué)生是在只了解了片面的信息之后的出的結(jié)論,他們沒(méi)有看到這種化學(xué)元素的全部作用.所以他們得出了錯(cuò)誤的結(jié)論,因此這個(gè)例子就是為了證明報(bào)道片面信息是不可信的.
80.leave out information that is different to his view.
細(xì)節(jié)題.根據(jù)第三段中的第三句Always remember that the author is trying to convince you of his or her own view,and will leave out information that is different to his view(你一定要記住,作者為了讓你信服他的觀點(diǎn),總是不提那些和他不一樣的觀點(diǎn))可以的出答案.
81.To think critically,and form our own views.
細(xì)節(jié)題.根據(jù)第三段中的倒數(shù)第二句If we teenagers are to be left in this world,we had better be able to think critically,and form our own views,rather than be easily persuaded by another's.可以知道如果我們青少年將要生存在這個(gè)世界上,就要能夠批判性的思考,形成自己的觀點(diǎn)而不是很容易的就被別人說(shuō)服.

點(diǎn)評(píng) 考查閱讀表達(dá).
   對(duì)于事實(shí)細(xì)節(jié)題,剖析一下不難看出,事實(shí)細(xì)節(jié)的內(nèi)容不會(huì)單獨(dú)出現(xiàn),它總會(huì)與前前后后的段落內(nèi)容相呼應(yīng).考生只要抓住整體大綱,看懂主題,利用內(nèi)容間的因果關(guān)系,通過(guò)時(shí)間空間的關(guān)系轉(zhuǎn)換,并對(duì)細(xì)節(jié)進(jìn)行深入的剖析了理解,確定主題,將零碎的細(xì)節(jié)組成一個(gè)有機(jī)整體,就能深刻理解材料的內(nèi)容,從而輕松解決問(wèn)題.

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