【文章內(nèi)容簡(jiǎn)介】 at hunts, kills and eats other animals B． a human being who looks after and feeds ducks C． a scientist who does research work on animals D． an animal that is likely to be friends with ducks 答案 A [詞義猜測(cè)題。根據(jù)文章第三段可知選 A。 ] 38． Ducks at the end of each row sleep with one eye open because ________. A． they are looking for food B． they want to enjoy the scenery C． they are watching out for danger D． they are unique in their sleeping habit 答案 C [細(xì)節(jié)理解題。根據(jù)文章第三段 “When they sleep at the edge of a group, they tend to realize greater danger, so they spend more time sleeping with one half of their brain.”可以得到答案。 ] 39． How many ducks were used in the experiment? A． Four. B． Eight. C． Twelve. D． Sixteen. 答案 D [細(xì)節(jié)理解題。根據(jù)文章第四段第一句中 four groups of four ducks可知。 ] 40． Which of the following is TRUE according to the passage? A． Ducks on the northern end of a row would keep their eyes facing the south open. B． Ducks with less sense of duty usually choose to stay in the centre of a row. C． Ducks with one eye open at the edge can still enjoy a certain degree of sleep. D． A videotape recorder was the only electronic device used in the experiment. 答案 C [細(xì)節(jié)理解題。從文章第三段可知位于邊上的鴨子更加注意危險(xiǎn)，故 A 項(xiàng)錯(cuò)誤；文章并未涉及鴨子因責(zé)任感輕重選擇睡覺(jué)地點(diǎn)，故 B項(xiàng)錯(cuò)誤；從文章最后一段可知還有 Brain wave reading, 故 D項(xiàng)錯(cuò)誤。 ] B Some day a stranger will read your e mail without your permission or scan the website you’ve visited. Or perhaps someone will casually glance through your credit card purchases or cellphone bills to find out your shopping preferences or calling habits. In fact, it’s likely that some of these things have already happened to you. Who would watch you without your permission? It might be a spouse, a girlfriend, a marketing pany, a boss, a cop or a criminal. Whoever it is, they will see you in a way you never intended to be seen—the 21st century replacement of being caught naked. Psychologists tell us boundaries are healthy, and that it’s important to reveal yourself to friends, family and lovers in stages at appropriate times. But few boundaries remain. The digital bread crumbs(碎屑 )you leave everywhere make it easy for strangers to reconstruct who you are, where you are and what you like. In some cases, a simple Google search can reveal what you think. Like it or not, increasingly we live in a world where you simply cannot keep a secret. The key question is: Does it matter? For many Americans, the answer apparently is “no”. When opinion polls ask Americans about privacy, most say they are concerned about losing it. A survey found a strong bad feeling about privacy, with 60 percent of respondents saying they feel their privacy is “slipping away, and that bothers me.” But people say one thing and do another. Only a tiny part of Americans change any behaviors in an effort to preserve their privacy. Few people turn down a discount at tollbooths(收費(fèi)站 )to avoid using the EZ Pass system that can track automobile movements. And few turn down supermarket loyalty cards. Privacy economist Alessandro Acquisti has run a series of tests that reveal people will give away personal information like Social Security numbers just to get their hands on a pitiful 50 cents off coupon(優(yōu)惠券 ). But privacy does matter—at least sometimes. It’s like health: When you have it, you don’t notice it. Only when it’s gone do you wish you’d done more to protect it. 41． What does the author mean by saying “the 21st century replacement of being caught naked”？ A． People’s personal information is easily accessed without their knowledge. B． In the 21st century people try every means to look into others’ secrets. C． People tend to be more frank with each other in the information age. D． Criminals are easily caught on the spot with advanced technology. 答案 A [細(xì)節(jié)理解題。根據(jù)第一、二段內(nèi)容可知，有人會(huì)在未經(jīng)允許的情況下竊取我們的個(gè)人信息，如電子郵件、網(wǎng)址訪問(wèn)記錄、信用卡購(gòu)物及電話使用記錄等，許多人的個(gè)人信息很容易在不知情的情況下暴露給陌生人，故選 A項(xiàng)。 ] 42． What would psychologists advise on the relationships between friends? A． Friends should open their hearts to each other. B． Friends should always be faithful to each other. C． There should be a distance even between friends. D． There should be fewer arguments between friends. 答案 C [推理判斷題。根據(jù)第三段第一、二句可知，心理學(xué)家認(rèn)為雖然向朋友、家人、愛(ài)人傾訴是必要的，但還是有底線和界限的，故選 C項(xiàng)。 ] 43． Why does the author say “we live in a world where you simply cannot keep a secret”？ A． Modern society has finally developed into an open society. B． People leave traces around when using modern technology. C． There are always people who are curious about others’ affairs. D． Many search engines benefit from giving away people’s identities. 答案 B [細(xì)節(jié)理解題。由第三段第三句可知，我們?cè)谑褂酶呖萍紩r(shí)所留下的點(diǎn)滴信息都會(huì)為陌生人了解我們提供線索。倒數(shù)第二段內(nèi)容給出了例子，做出了詳盡的解釋 。 ] 44． What do most Americans do as for privacy protection? A． They change behaviors that might disclose their identity. B． They use various loyalty cards for business transactions(交易 ). C． They rely more and more on electronic devices. D． They talk a lot but hardly do anything about it. 答案 D [推理判斷題。根據(jù)倒數(shù)第二段第一句得知，在保護(hù)隱私方面，人們言行不一。隨后舉例說(shuō)明，美國(guó)人往往為了一點(diǎn)利益而遺留個(gè)人信息。 ] 45． According to the passage, privacy is like health because ________. A． people will make every effort to keep it B． its importance is rarely understood C． it is something that can easily be lost D． people don’t treasure it until they lose it 答案 D [推理判斷題。根據(jù)最后一段可知，作者把隱私比作健康，當(dāng)人們擁有它時(shí)，不曾注意，一旦失去才知其珍貴，故選 D項(xiàng)。 ] C