【正文】 （4）考查主旨大意。由此可知，由于污染嚴重，學(xué)校、大學(xué)、醫(yī)院和市場分發(fā)了數(shù)百萬個防污染口罩。s most polluted city.” 新德里每年都會被污染吞沒，隨著天氣變冷，汽車和以煤為基礎(chǔ)的發(fā)電廠排放的污染物、建筑工地和道路上飄動的灰塵，以及鄰國農(nóng)作物秸稈燃燒產(chǎn)生的煙霧，都會形成濃霧。 With the development of the city and more and more people moving, the city has expanded several times in size. That is why it is called New Delhi. New Delhi, a city with a population of over 20 million people, has its newest problem: never before has this city met with the worst air problem. 【點評】本題考點涉及細節(jié)理解，詞義猜測，推理判斷和段落大意四個題型的考查，是一篇科研類閱讀，要求考生在捕捉細節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。根據(jù)常識可知，在大自然中散步對人體有各種各樣的好處，再結(jié)合句中出現(xiàn)的“relieving other mood disorders(緩解其他情緒紊亂)”不難推斷出， batting depression應(yīng)表示“減輕抑郁”。A 2018 study from Denmark39。Previous scholarship(學(xué)術(shù)研究) has dealt mostly with exercise in nature: A 2015 study out of the University of Michigan found 90 minute group nature walks were effective at batting depression and relieving other mood disorders. But for people who struggle with accessibility or don39。The study is the first to investigate the possible relationships between exposure to nature and desires and negative emotions. Researchers at the University of Plymouth39。第一段中的“Well, sometimes the best disguise is actually the most dazzling because research reveals that flashy metallic iridescence(金屬彩虹色) can visually puzzle predators, which allows colorful prey to survive another day.”有時，最好的偽裝其實是最耀眼的偽裝，因為研究表明，閃光的金屬彩虹色能在視覺上迷惑捕食者，這讓五顏六色的獵物能夠再存活一天，是全文的主題句，結(jié)合全文內(nèi)容，可知這篇文章主要講了彩虹色有助于生物隱藏，故選B。 （2）考查細節(jié)理解。D.Colors unique to animalsBees are creatures that are fascinated by sweet things that are iridescentC.catching colors could be used as a cover173。s viewed, is favored by everything from birds to beetles and blossoms to butterflies. 【點評】本題考點涉及細節(jié)理解，詞義猜測，推理判斷和段落大意四個題型的考查，是一篇科研類閱讀，要求考生在捕捉細節(jié)信息的基礎(chǔ)上，進一步根據(jù)上下文的邏輯關(guān)系，進行分析，推理，概括和歸納，從而選出正確答案。根據(jù)第四段中的“noting its design can inspect bags or luggage without being an exposure to privacy.”可知，不用打開和檢查人們的個人物品，避免了侵犯隱私，可知選D。B.To make full use of WiFi.C.It protects personal information from being disturbed.（3）Why did the researchers study the device according to Yingying Chen? A.B. The peerreviewed study, which recently won a best paper award at the 2018 IEEE Conference on Communications and Network Security, is now published online. Future work will continue to focus on ameliorating the accuracy of identifying objects and imaging shapes and volumes, researchers said.（1）What does paragraph 3 talk about? A.從其中的unworried（不擔(dān)心的，不著急的）和relaxed（松懈的，放松的）兩個詞可以知道，這個活動能讓病人心情放松，病人對這一做法是很支持的。故選C。根據(jù)第一段中的“In order to solve the problem, a doctor in Sydney, Australia, called Rob Hackett launched a campaign name‘Theatre (手術(shù)室) Cap Challenge’encourage hospital staffs to write their39。SupportiveIt can help people pass some gloves in a theatre.（3）Which of the following best explains were human underlined in paragraph3? A.Hospital staff are asked to cover their faces in hospitals.B.s life for a second. At the moment, effective munications are important. （4）考查細節(jié)理解。 （2）考查推理判斷。s not getting close to nature.（4）Why does Richard think such search data is useful? helps to aim at conservation targets. increases interest in big data approaches. keeps track of trends in biologists39。re not interacting with native species anymore. And so in that sense, it was really exciting and quite unexpected for me to see people39。然而，它們也會釋放出有害 的故選C。millipedevulturebeing plain in taste at the discovery of a predatorB. While faking and fierce looks are among animals great defenses, many species know that everyone runs from a big stink (臭氣) too. Millipedes (千足蟲)giving out purple ink to make itself invisible to predatorsC. （2）考查細節(jié)理解。眼睛，并在攻擊者身上留下可怕的氣味。 An international team of researchers from the University of Oxford have found that the way people use the Internet is closely tied to the seasonal movements in the natural world. Their online species searches follow the patterns of seasonal animal migrations (遷徙).s Wikipedia interest closely related to changes in nature. work. pushes people to solve difficult problems.【答案】 （1）D（2）B（3）C（4）A 【解析】【分析】本文是一篇說明文，牛津大學(xué)的一個國際研究小組發(fā)現(xiàn)，人們使用互聯(lián)網(wǎng)的方式與自然界的季節(jié)性運動密切相關(guān)。根據(jù)第三段中的“Seasonal trends seemed to be widespread in Wikipedia behavior for many species of plants and animals.”可知在維基百科上，許多動植物的行為似乎都有季節(jié)性趨勢。根據(jù)最后一段中的“By using these big data approaches, we can direct our attention towards the difficult questions in modern conservation: which species and areas are changing, and where are the people who care the most and can do the most to help.”可知Richard認為通過使用這些大數(shù)據(jù)方法，我們可以將我們的注意力轉(zhuǎn)向現(xiàn)代保護中的難題:哪些物種和地區(qū)正在發(fā)生變化，哪些人最關(guān)心這些問題，哪些人能夠提供最多的幫助。 When hospital staff are in full scrubs (手術(shù)衣), their faces are almost pletely covered by their caps and face masks, and we can only see their eyes and eyebrows. In order to solve the problem, a doctor in Sydney, Australia, called Rob Hackett launched a campaign named Theatre (手術(shù)室) Cap Challengeencourage hospital staffs to write their39。Rob is in favor of writing names and roles on caps.C.We39。B. names and roles on their caps.”Rob提出在手術(shù)帽上寫上名字和職位，由此可知他是支持這一想法的。 （3）考查詞義猜測。故選A。 Research suggested that WiFi can now be used to estimate the volume of liquids such as water, acid, alcohol and other chemicals for explosive material. The study led by researchers at the Wireless Information Network Laboratory (WINLAB) in the School. of Engineering showed a wireless device with two to three antennas(天線)that could be fitted in existing WiFi networks.The function of the technique.The way the device works.C.D.To save money and labour.To protect passengers39。Improving. （3）考查推理判斷，根據(jù)第五段中的“In large public areas, it39。5．犇犇閱讀理解 up isn39。If a circle, with a sugar reward, is iridescent, the bees may have difficulty finding itD.Shining colors as a sexual strategy【答案】 （1）D（2）C（3）C（4）B 【解析】【分析】本文是一篇說明文，介紹了彩