【正文】 There are still enormous barriers to clear before。The RemoveDEBRIS satellite will conduct a few more experiments in the ing months, including testing navigation features that could help guide the satellite to a specific piece of debris.Jonathan McDowell, an astrophysicist at the HarvardSmithsonian Center for Astrophysics, said the success of this week39。 s ArianeGroup.The RemoveDEBRIS experiment is run by a pany and researchers led by the U. K.39。 Millions of pieces of junk are turning around in orbit the result of 50 years of space travel and few regulations to keep space clean. At orbital speeds, even a small bit of paint crashing with a satellite can cause critical damage. An experimental cleanup device called RemoveDEBRIS has successfully cast a net around a dummy (仿真的) satellite, imitating a technique that could one day collect spaceborne garbage. 【點評】本題考點涉及細(xì)節(jié)理解，詞義猜測和推理判斷三個題型的考查，是一篇科普類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。t grow after you die. 和第三段中的That39。根據(jù)第一段中的Some things should just be mon knowledge by now. The Earth isn39。根據(jù)第三段中的In fact, in 2018, 7,250 kilometers (4,505 miles) of writing tests on such pens were carried out on ballpoint pens, gel pens(中性筆), and rollers to make sure they worked to the highest standard.可知，舉行書寫測試的目的是為了確保筆能夠達(dá)到最高的標(biāo)準(zhǔn)，故選B。此處意為當(dāng)使用者不慎把筆帽吞下時，筆帽上的小孔就是為了阻止筆帽完全阻塞氣管而引起窒息，故選A。畢克筆的筆帽上留一個小孔的原因，且這個問題會被偶爾問到，就像如果你用核武器攻擊黃石公園會發(fā)生什么事這個問題一樣，作者是在舉例證明他的觀點，故選B。這真是粗心使用者的生命通道。D.C.B.To pare different pens with each other.（4）In what tone does the author develop the text? A.To assure their good quality.C.To work out their lifespan.D.C.B.To emphasize the importance of safety.（2）What does the underlined word obstructing in paragraph 2 mean? A.To pare the two situations.B.The best part of the Bic site, however, is this rather curious fact: 100 percent of pen balls are made through a highlycontrolled process. As opposed to a highly uncontrolled process, involving explosions and bouncy castles and total chaos, we suppose.（1）Why does the author mention the case of Yellowstone? A.s rather lovely of them. In appreciation of their want to not kill off their more clumsy customers, we thought we39。 pens have a hole in their cap is to prevent the cap from pletely obstructing the airway if accidentally breathed in. This is requested by the international safety standards ISO11540, except for in cases where the cap is considered too large to be a choking risk.If you jump over to Bic39。s debatable whether that last one there is mon knowledge or not. A quick Google search of the fact, rewritten as a question, shows articles addressing this point going back several years, with the latest (re)appearing just this week over on ScienceAlert. We suppose it39。t grow after you die. The holes at the top of Bic biro pens are there so that, if you swallow one accidentally, you can still breathe and won39。Some things should just be mon knowledge by now. The Earth isn39。 【點評】本題考點涉及細(xì)節(jié)理解和推理判斷兩個題型的考查，是一篇科技類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，并根據(jù)上下文進(jìn)行邏輯推理，從而選出正確答案。 （4）考查推理判斷。也就是供應(yīng)商為了減少成本,獲取數(shù)據(jù)和小費,開發(fā)了更便捷的支付方式,導(dǎo)致現(xiàn)金支付的減少。運行現(xiàn)金經(jīng)濟(jì)背后的基礎(chǔ)架構(gòu)需要付出高昂的成本,這些基礎(chǔ)設(shè)施包括自動取款機,載有紙幣的貨車,接受硬幣的出納員。 （3）考查推理判斷。瑞典和中國的共同點是現(xiàn)金支付減少,電子支付比例上升,由此可推斷作者提到瑞典和中國是為了說明數(shù)字支付正成為一種不可阻擋的趨勢。 （2）考查推理判斷。結(jié)合上下文,可知某些富裕國家比如瑞典正在減少現(xiàn)金支付,推廣不用紙幣或硬幣的支付方式,也就是電子支付方式。 （1）考查細(xì)節(jié)理解。indifferent【答案】 （1）D（2）C（3）B（4）C 【解析】【分析】本文是一篇說明文，富裕國家正在減少現(xiàn)金支付,現(xiàn)金正在因為需求等原因消失。objectivenegativefavorablefinancial firms want to abandon oldfashioned customers（4）The author39。suppliers are trying to reduce costs and obtain money and dataC.. A.digital payments are being a trend that cannot be stoppedD.the differences between developed and developing countriesB.make the economy more efficient by protecting endangered speciesD.dematerialize moneyB.s shopping habits and private multinationals exploit their personal data.（1）Some rich countries are trying to In the main, the prospect of a cashless economy is excellent news. Cash is inefficient. When payments dematerialise, people and shops are less open to theft. It also creates a credit history, helping consumers borrow. Countries are removing cash at varying speeds. In Sweden the number of retail cash transaction per person has fallen by 80% in the past ten years. America is perhaps a decade behind. Outside the rich world, cash is still king. But even there its leading role is being challenged. In China digital payments rose from 4% of all payments in 2012 to 34% in 2017. Rich countries are racing to dematerialise payments. They need to do more to prepare for the sideeffects. 【點評】本題考點涉及細(xì)節(jié)理解，推理判斷和主旨大意三個題型的考查，是一篇科技類閱讀，考生需要準(zhǔn)確捕捉細(xì)節(jié)信息，同時根據(jù)上下文進(jìn)行邏輯推理，概括歸納，從而選出正確答案。再根據(jù)最后一段中的“The next step in the research will be to test RAS39。 （4）考查主旨大意。 （3）考查推理判斷。根據(jù)最后一段中的“The next step in the research will be to test RAS39。根據(jù)章第二段中的“ The Robot Activity Support System, or RAS, uses sensors （傳感器）equipped in a WSU smart home to determine where its residents are, what they are doing and when they need assistance with daily activities”可知機器人活動支持系統(tǒng)（RAS）使用WSU智能家居中配備的傳感器（傳感器）來確定其居民在哪里，他們在做什么以及何時需要日常活動的幫助，說明傳感器起到了重大的作用，故選A。Older adults have benefited from RAS.【答案】 （1）A（2）B（3）C（4）B 【解析】【分析】本文是一篇說明文，介紹了一款由美國華盛頓州立大學(xué)的科學(xué)家們研發(fā)的機器人，可以幫助那些癡呆或有身體缺陷的老年人在家里過上自立的生活。Smart Home Tests first elderCare robot.C.Elderly people leave the nursing home.D.Optimistic.B.Doubtful.s Minor39。D.It can locate people and do any task.B.Through their daily activities.（2）What can we know about RAS? A.Through a mobile robot.B.Through sensors. While we are still in an early stage of development, our initial results with RAS have been promising, Minor said. The next step in the research will be to test RAS39。 Currently, an estimated 50 percent of adults over the age of 85 need assistance with every day activities such as