详解：
26. 标准答案：B
考点分析：此题考查考生对文章细节信息的把握能力。此类题目的解题关键在于根据题干信息定位，本题的“Paragraph 1”，“behavioural”即为定位信息。
选项分析：根据文章第一段第二句“this fraction can be much reduced”在互联网时代，至少在理论上，被浪费的那一部分资金中，有很多都可以节省下来。对应文章“half of all advertising budgets are wasted”。故B项“降低运营成本”是文章的同义改写。ABD项文章均为提到。
27. 标准答案：D
考点分析：此题考查考生对文章细节信息的把握能力。根据题干中已经给出了具体信息点“The industry”应回第三段定位。
选项分析：根据题干信息“the industry”可推测the为前文指代，所以应当定位到该句之前，文章内容为：“摩斯拉(Mozilla)的火狐(Firefox)、微软(Microsoft)的IE(Internet Explorer)及苹果的浏览器Safari都有“不允许跟踪”选项;今年，谷歌也将在Chrome中加入这一功能”，由此可推断出选项D“网络浏览器开发商”为正确选项。
28. 标准答案：C
考点分析：此题考查考生对文章细节信息的把握能力。结合题干中所给出的人名“Bob Liodice”以及专有名词DNT和“default”可回文章定位到第五段。
选项分析：文章中Bob Liodice称，“如果广告商不能收集有关用户偏好的信息，那么这对于消费者来说将更为不利。”原文中“consumers will be worse off”对应C选项“will not benefit consumers”，“将对消费者不利”，因此C应为正确答案。A项与原文相反，“垃圾广告”不是减少而是增加。B项“对广告业没有影响”以及D项“违背人性”均与文章不符。
29. 标准答案：A
考点分析：此题考查考生对文章的细节信息的把握能力，关键在于定位和辨别细节信息。
选项分析：根据题干信息提示，我们不难定位到文章第六段最后一句的后半部分“…some may ignore a DNT signal and press on anyway.” 一些公司可能忽略“不允许跟踪”信号，继续记录用户的在线行为。所以推知"不允许跟踪"可能不会起到预期的作用。选项B广告商很乐意实行“不允许跟踪”与本段第一句话“It is not yet clear how advertisers will respond. 广告商们会对此作何反应仍不清楚”不符。选项C"不允许跟踪"已经不再收到消费者的欢迎与本段第一句和最后一句内容“…some may ignore a DNT signal and press on anyway.” 不符;选项C广告商被迫提供"行为"广告与文中“Getting a DNT signal does not oblige anyone to stop tracking…”不相符。
30. 标准答案：D
考点分析：此题考查考生对作者观点态度的把握。根据自然段定位法可定位到文章的最后一段。
选项分析：根据关键信息Brendon Lynch我们主要定位到文章最后一段的倒数第二句以及最后一句。Brendon Lynch“在博客中写道：‘我们认为用户应该有更大的话语权。’”紧接着最后一句“Could it really be that simple? 真的是这么简单吗?”体现了作者的态度。A项意为“纵容”;B项为““理解”之义;选项C为“感激”之义;D项为“怀疑”。因此只有D项符合作者本意，故为正确答案。
Text 3
Up until a few decades ago, our visions of the future were largely - though by no means uniformly - glowingly positive. Science and technology would cure all the ills of humanity, leading to lives of fulfillment and opportunity for all.
Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us, from asteroid strike to epidemic flu and to climate change. You might even be tempted to assume that humanity has little future to look forward to.
But such gloominess is misplaced. The fossil record shows that many species have endured for millions of years - so why shouldn't we? Take a broader look at our species' place in the universe, and it becomes clear that we have an excellent chance of surviving for tens, if not hundreds, of thousands of years . Look up Homo sapiens in the "Red List" of threatened species of the International union for the Conversation of Nature (IUCN) ,and you will read: "Listed as Least Concern as the species is very widely distributed, adaptable, currently increasing, and there are no major threats resulting in an overall population decline."
So what does our deep future hold? A growing number of researchers and organisations are now thinking seriously about that question. For example, the Long Now Foundation has its flagship project a medical clock that is designed to still be marking time thousands of years hence .
Perhaps willfully , it may be easier to think about such lengthy timescales than about the more immediate future. The potential evolution of today's technology, and its social consequences, is dazzlingly complicated, and it's perhaps best left to science fiction writers and futurologists to explore the many possibilities we can envisage. That's one reason why we have launched Arc, a new publication dedicated to the near future.
But take a longer view and there is a surprising amount that we can say with considerable assurance. As so often, the past holds the key to the future: we have now identified enough of the long-term patterns shaping the history of the planet, and our species, to make evidence-based forecasts about the situations in which our descendants will find themselves.
This long perspective makes the pessimistic view of our prospects seem more likely to be a passing fad. To be sure, the future is not all rosy. But we are now knowledgeable enough to reduce many of the risks that threatened the existence of earlier humans, and to improve the lot of those to come.
31. Our vision of the future used to be inspired by
[A] our desire for lives of fulfillment
[B] our faith in science and technology
[C] our awareness of potential risks
[D] our belief in equal opportunity
32. The IUCN’s “Red List” suggest that human being are
[A] a sustained species
[B] a threaten to the environment
[C] the world’s dominant power
[D] a misplaced race
33. Which of the following is true according to Paragraph 5?
[A] Arc helps limit the scope of futurological studies.
[B] Technology offers solutions to social problem.
[C] The interest in science fiction is on the rise.
[D] Our Immediate future is hard to conceive.
34. To ensure the future of mankind, it is crucial to
[A] explore our planet’s abundant resources
[B] adopt an optimistic view of the world
[C] draw on our experience from the past
[D] curb our ambition to reshape history
35. Which of the following would be the best title for the text?
[A] Uncertainty about Our Future
[B] Evolution of the Human Species
[C] The Ever-bright Prospects of Mankind
[D] Science, Technology and Humanity
答案：31-35: BBDCA
答案详解：
31. B 【解析】细节题。根据题干信息，our vision of the future used to定位为文章第一段。B选项为答案，我们的对未来的想象曾经被我们对于科技的信心所鼓舞。 A 选项错误原因为因果倒置，lives of fulfillment是由science and technololgy导致，与文章题干要求our vision of future 无关。C选项为无中生有，也未提到awareness of potential risks的概念。D选项equal opportunity为opportunity for all所有人都有相等的机会的曲解。
32.B 【解析】推理题。文章问题是“Red List”表明人类怎么是什么。根据关键词定位到文章的第三段。Look up Homo sapiens in the "Red List" of threatened species of the International union for the Conversation of Nature (IUCN) ,and you will read….根据threatened species知道是被威胁的物种，同时后面的the Conversation of Nature知道是对自然的。那这个“threatened”被人类威胁就很明显。
33. D 【解析】判断题。 A 选项定位在it's perhaps best left to science fiction writers and futurologists to explore the many possibilities we can envisage. That's one reason why we have launched Arc, a new publication dedicated to the near future.这里根本就没有讲限制。这2句话是说要让科幻小说的作者和未来学家去探索我们能现象的可能性。.这里发表的Arc根本就没有讲限制。A 排除B讲科技，但是文章说完The potential evolution of today's technology, and its social consequences, is dazzlingly complicated,讲科技和它的社会意义。后面一句 and it's perhaps best…能看得到转折。文章也没有提到solution，也没有提到社会问题(social problem).
C 选项是说对科幻小说的兴趣在上升(on the rise)但是整段都没有说到这个趋势。D选项定位文章第一句话 Perhaps willfully , it may be easier to think about such lengthy timescales than about the more immediate future.从这句话能推测出immediate future是比漫长的时标更难的事情，也是更不易察觉的。
34. C 【解析】细节题。 定位的是future of the mankind ,文章第6段，同时有个很重要的标点符号冒号，说明the past holds the key to the future: 一直在点号之前都是这句话的具体解释。也就是说这句强调the past 的关键性，所以选择C。A项B项和D项都跟内容无关。
35. A 【解析】主旨题 文章最好的题目是A选项，对未来的不确定性。文章第一段讲过去人们对于未来的想象，第二，三段为对现在的看法。第四段至最后一段为对未来的不确定性。B选项为人类的演化，C选项为人类美好的前景，D选项科学，技术与人类不是文章的主旨 。顾答案为A。
Text 4
On a five to three vote, the Supreme Court knocked out much of Arizona’s immigration law Monday-a modest policy victory for the Obama Administration. But on the more important matter of the Constitution, the decision was an 8-0 defeat for the Administration’s effort to upset the balance of power between the federal government and the states.
In Arizona v. United States, the majority overturned three of the four contested provisions of Arizona’s controversial plan to have state and local police enforce federal immigration law. The Constitutional principles that Washington alone has the power to "establish a uniform Rule of Naturalization "and that federal laws precede state laws are noncontroversial. Arizona had attempted to fashion state policies that ran parallel to the existing federal ones.
Justice Anthony Kennedy, joined by Chief Justice John Roberts and the Court’s liberals, ruled that the state flew too close to the federal sun. On the overturned provisions the majority held the congress had deliberately "occupied the field" and Arizona had thus intruded on the federal’s privileged powers.
However, the Justices said that Arizona police would be allowed to verify the legal status of people who come in contact with law enforcement. That’s because Congress has always envisioned joint federal-state immigration enforcement and explicitly encourages state officers to share information and cooperate with federal colleagues.
Two of the three objecting Justice-Samuel Alito and Clarence Thomas-agreed with this Constitutional logic but disagreed about which Arizona rules conflicted with the federal statute. The only major objection came from Justice Antonin Scalia, who offered an even more robust defense of state privileges going back to the alien and Sedition Acts.
The 8-0 objection to President Obama turns on what Justice Samuel Alito describes in his objection as "a shocking assertion of federal executive power". The White House argued that Arizona’s laws conflicted with its enforcement priorities, even if state laws complied with federal statutes to the letter. In effect, the White House claimed that it could invalidate any otherwise legitimate state law that it disagrees with.
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