【正文】 roduce 2 billion tons of trash every year. By the year 2050 that number is expected to rise to 3 billion tons. The World Bank estimates that the largest amount of trash today, about 44 percent, is plastic. But we often have to buy packaged goods. And often that packaging is made of plastic.”可知，世界上的城市每年產(chǎn)生大量的垃圾，并且其中最大的垃圾量是塑料，結(jié)合下文可知，作者寫本段目的是為下文提出新的購物模式提供背景信息。 （1）考查推理判斷。D.s environmental issue.The development of future city.C.France and Canada.（4）What is the text mainly about? A.Canada and Britain.B.United States and Switzerland.D.Demand of some panies.C.The World Economic Forum.D.Explain the reason for trash.B.Provide background information. Jennifer Morgan from the environmental nonprofit organization Greenpeace also joined in the discussion about Loop at Davos. She said that Greenpeace weles the aim of the Loop Alliance to move away from throwaway culture and disposability. But Morgan questioned whether panies worldwide are ready to change their business models. Loop is the idea of Terra Cycle, an Americanbased recycling pany. Its chief, Tom Szaky told the Associated Press (AP) that removing plastics from the ocean is not enough. He said the point is to get away from singleuse packages. Szaky said that Loop is the future of shopping. But it es from an idea of the past.s cities produce 2 billion tons of trash every year. By the year 2050 that number is expected to rise to 3 billion tons. The World Bank estimates that the largest amount of trash today, about 44 percent, is plastic. But we often have to buy packaged goods. And often that packaging is made of plastic. Environmental experts warn that our planet is drowning in plastic. 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科研類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，同時(shí)根據(jù)上下文進(jìn)行邏輯推理，概括歸納，從而選出正確答案。文章首句點(diǎn)明了文章談?wù)撝行模簽槭裁措S著我們變老，我們會(huì)覺得時(shí)間過得更快？后面文章主要解釋了原因：老年人因?yàn)榇竽X退化，神經(jīng)元的變化導(dǎo)致他們覺得時(shí)間過得較快。故選B。當(dāng)我們變老的時(shí)候，大腦需要更多的時(shí)間來處理信息。 （3）考查推理判斷。ve got your aging brain to blame.和第二段中的Over the years, these structures bee more plex and eventually begin to degrade.可知，隨著年齡的增長，不可避免的就是大腦結(jié)構(gòu)的老化。 （2）考查推理判斷。根據(jù)第一段中的 This is likely due largely to the physical changes of our nerves and neurons (神經(jīng)元).可知，老年人覺得時(shí)間過得過快的原因是神經(jīng)和神經(jīng)元的變化。The Function of the Brain【答案】 （1）A（2）B（3）B（4）C 【解析】【分析】本文是一篇說明文，介紹了為什么老年人會(huì)覺得時(shí)間過得較快，主要原因是隨著年齡的增長，大腦中神經(jīng)元的變化讓老年人的大腦需要更多的時(shí)間來處理接收到的信息，這樣就會(huì)讓他們覺得時(shí)間過得較快。Time Flies FastC.Little babies move their eyes much more often.（4）What is the best title of the text? A.The younger brain takes less time to process information.C.Less experience.（3）Why do the days seem longer earlier in life? A.More images.Aging brains.Longer days.The electrical signals.D.Changes of our nerves and neurons.B.re processing images at a faster rate, Beian says, For older people, this means fewer images are being processed in the same amount of time, causing experiences to seem as though they39。 The new finding put forward by a Duke University researcher was published in a paper in the journal European Review this week According to Adrian Bejan, the J. A Jones Professor of Mechanical Engineering at Duke, the physical changes of our nerves and neurons play, a major role in our perception (知覺) of time as we get old. Over the years these structures bee more plex and eventually begin to degrade.rapid fire39。 Why does time seem to fly by faster as we get old? You39。4．犇犇閱讀下列短文，從每題所給的A、B、C和D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。故選C。根據(jù)最后一段中的“In a word, this new research suggests that young children appreciate people who do well while at the same time doing good to others.”可知，孩子欣賞那些在做好事的同時(shí)表現(xiàn)出色的人。故選B。根據(jù)第三段中的“In this case, 18 of the 21 toddlers reached for the one who was knocked the participants were so young, this might even be an innate human preference.”可知，孩子們會(huì)走向被撞倒的人，而由于孩子太小，甚至可能是人類與生俱來的偏好。故選D。 （2）考查細(xì)節(jié)理解。t hurtful toward others.”可知，我們更傾向于敬佩那些地位高的人。 （1）考查細(xì)節(jié)理解。 In a word, this new research suggests that young children appreciate people who do well while at the same time doing good to others. So, when my fouryearold thinks that he has to get his shoes on first, I39。 Researchers showed toddlers (aged 21 to 31 months) a scene where two puppets (木偶) approached one another from opposite sides of a stage and one bowed to let the other pass first. Asked which puppet they liked better, 18 of the 21 toddlers in the experiment reached for the puppet who had been allowed to pass. Because respect from others is a marker of status, this suggests that children have a preference for those with a higher status—even before age three.s true that those with high status, from world leaders and prize winners to athletes and movie stars, are people we like and respect. A recent study published in Nature Human Behaviour showed that we seem to have an innate (天生的) preference for highranking peoples—but only if those people aren39。 My two and fouryearold boys love to win, whether they39。3．犇犇閱讀下面文章，然后從題中所給的A、B、C、D四個(gè)選項(xiàng)中，選出每個(gè)問題的最佳選項(xiàng)。故選C。 （4）考查推理判斷。根據(jù)第二段中的I think the potential of AI in healthcare like this is as big as the Industrial Revolution was—and signals a pletely new example in the way we manage healthcare. 楊教授認(rèn)為，人工智能在醫(yī)療保健領(lǐng)域的潛力與工業(yè)革命一樣大，以此類比，說明人工智能在醫(yī)療領(lǐng)域的影響力。故選C。 （2）考查細(xì)節(jié)理解。此處screen意為“篩查”。 （1）考查詞義猜測。It will promote the health service greatly.D.It helps patients recover earlier.B.To introduce the topic of superputers.D.To show the influence of AI.B.D. cases.C.B.nurse（2）How do superputers help save lives? A.spottreatfort The technology is the brainchild of Dr Vishal Nangalia, a consultant at the Royal Free Hospital in London. He used AI to analyse a billion stored blood samples from 20 different UK hospital trusts dating back up to 12 years. Computers assess blood test results by picking up subtle changes in red and white blood cells, suggesting a patient is going dow