英語(yǔ)四級(jí)培訓(xùn) 英語(yǔ)四級(jí)培訓(xùn) 發(fā)布時(shí)間： 2017年08月01日
英語(yǔ)六級(jí)閱讀，題多時(shí)間短，對(duì)很多考生來(lái)說(shuō)是個(gè)絕對(duì)難題。不過(guò)要考試了，應(yīng)該抱抱佛腳吧，這不， 教研為大家?guī)?lái)了英語(yǔ)六級(jí)仔細(xì)閱讀押題，一定要自己做一做哦！
A Tangled Web
The internet looks like an adman's dream. Counting how many times an advert on a bus shelter has been viewed is impossible; counting clicks on a blinking banner ad is a doddle (輕而易舉的事). But knowing where each click came from, and how many people are clicking, is harder than it appears.
Firms dedicated to click-counting put code on websites that reports the times, origins and frequencies of visits, or get consumers to install it buried in browser plug-ins or mobile apps. These record web-users' digital calling-cards: the internet-protocol (IP) addresses of the devices they are using. But to assume that each IP address represents a single user in its country of registration is a wild oversimplification.
A new report published on November 4th takes a different approach. Global Web Index (GWI), a market-research firm with local partners in 32 countries, surveys 170,000 consumers a year and recently began to ask detailed questions about internet use. It puts North Korea and India in the top three for Facebook users. Similar Web, which does IP-based analysis, does not even put North Korea in the top ten.
One reason for the difference is that in many developing markets devices are widely shared. Conversely, more than three-quarters of respondents in the GWI report said they used more than one device. Another factor is the spread of virtual private networks (VPNs) and proxy servers (代理服務(wù)器), which make it possible to surf the web through a foreign server.
Once restricted to the tech-literate, these are now common and easy to use. Citizens in North Korea who want to vault the Great Firewall to use Facebook (banned in North Korea) can do so with a couple of clicks. Foreign fans of the BBC can use the same trick to watch its programmes via iPlayer, supposedly barred outside Britain. Since VPNs and proxy servers are clustered in countries with favourable rules, such as Sweden and the Netherlands, any count of visits to such sites will be skewed (出現(xiàn)偏差).
More broadly, knowing who is online, and where, would benefit government policymakers as well as advertisers. Other figures on technology use are available from the International Telecommunication Union (ITU), a UN agency. But there are gaps here, too. It collates (核對(duì)) surveys from national census bureaus around the world, but cannot insist that they all pose the same questions.
The ITU estimates that 4.3 billion people around the world are yet to get online, 90% of whom are in developing countries. But until data from surveys and clicks can be combined into a single picture, the map of internet usage will be little clearer than the viewership of bus-shelter ads.
1. In what way is counting clicks on a blinking banner ad a doddle?
A) Click-counting can be recorded by using codes.
B) Click-counting can be viewed by sight.
C) Click-counting can be summarized by admen.
D) Click-counting can be estimated by scientists.
2. According to the passage, why is it hard to figure out origins of click-counting?
A) Browser plug-ins with secret codes can hide customers' information.
B) Some mobile apps installed on a smartphone can't locate its user.
C) Each IP address does not necessarily represent one single user.
D) Knowing the origins and times of clicking is harder than it appears.
3. What might not be the reason for the difference of the researches conducted by Global Web Index and Similar Web?
A) Devices in many developing markets are widely shared.
B) Many people use more than one device when they surf the Internet.
C) Surfing the web through a foreign server is available.
D) The samples they choose are different from each other.
4. According to this passage, what would citizens in North Korea do if they want to use Facebook?
A) Find some tricks to breach the wall.
B) Use VPNs and proxy servers.
C) Ask Global Web Index for help.
D) Change their IP addresses.
5. What do we learn from the last paragraph?
A) Knowing where people get online would benefit government policymakers as well.
B) How people in developing countries access to the Internet is still unknown.
C) Counting clicks on blinking banners are easier than those of bus-shelter ads.
D) Data from surveys and clicks are not sufficient to form a clear map of internet usage.
（我是分界線，自行解答完才看答案哦！）
解析：
1. 根據(jù)題干關(guān)鍵詞counting clicks, blinking banner, doddle定位到段落第一段。第一段提到數(shù)清楚屏幕閃爍的廣告欄的點(diǎn)擊量是件輕而易舉的事情，但并未解釋原因。跳到第二段后會(huì)發(fā)現(xiàn)，在首句就提到在網(wǎng)站上附加代碼，可以跟蹤訪問(wèn)的時(shí)間、來(lái)源以及頻率。由此可知，counting clicks之所以容易是因?yàn)橛写a可以記錄。故答案選擇A。
2. 根據(jù)題干關(guān)鍵詞hard, origins of click-counting可知題干的信息出現(xiàn)在第一段最后一句：要弄清楚點(diǎn)擊從何而來(lái)，并不是那么容易。而接下來(lái)的第二段則指出，每一個(gè)IP地址并不僅僅代表一個(gè)用戶，因此點(diǎn)擊的來(lái)源才不容易弄清楚。故答案應(yīng)該選擇C。
3. 根據(jù)題干關(guān)鍵詞reason, difference, Global Web Index, Similar Web定位到第三段和第四段。第三段主要介紹了Global Web Index和Similar Web調(diào)查結(jié)果的不同。第四段則對(duì)原因進(jìn)行了分析，即在發(fā)展中國(guó)家，設(shè)備被廣泛地共享，而在GWI的調(diào)查中，超過(guò)四分之三的受訪者表示不止使用一臺(tái)設(shè)備。另一因素是VPN和代理服務(wù)器的使用，使得人們可以通過(guò)海外瀏覽器來(lái)訪問(wèn)網(wǎng)頁(yè)。本題要求選擇不是造成差異不同的原因，只有D選項(xiàng)樣本的不同不是原文提到的原因。
4. 根據(jù)題干關(guān)鍵詞North Korea, Facebook定位到第五段。第五段承接第四段舉例說(shuō)明，在遇到技術(shù)障礙時(shí)，通過(guò)翻墻使用海外服務(wù)器就可以瀏覽某一網(wǎng)頁(yè)。所以，當(dāng)朝鮮網(wǎng)民想要瀏覽被禁止的Facebook網(wǎng)頁(yè)時(shí)，就可以使用VPN和代理服務(wù)器。故答案選擇B。
5. 本題為推理題，考查最后一段作者的言外之意。最后一段提到國(guó)際電信聯(lián)盟估計(jì)全球仍有43億人無(wú)法上網(wǎng)。而只要調(diào)研數(shù)據(jù)和點(diǎn)擊量能夠被整合到一張圖表中，互聯(lián)網(wǎng)使用率的情況就會(huì)更加清楚。由此可以推斷出，目前的調(diào)研數(shù)據(jù)和點(diǎn)擊量的數(shù)據(jù)還是不夠的。故答案選擇D。
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