【正文】 dogs had such a good time playing the puter game That scientists had a hard time keeping them away from the touch screens after the study was pleted.s happy or angry faces.（2）The underlined word trepidation in Paragraph 5 probably means ________. and hesitation and eagerness and happiness and sadness（3）According to the last paragraph, dogs with female owners ________. fond of the male faces uninterested in telling the emotions on the entire faces difficulty telling the moods on the faces of males only recognize emotions of females（4）What is the best title for this passage? Changes Influence Dogs Identify the Moods and Their Owners39。 （1）考查細(xì)節(jié)理解。故選D。根據(jù)第五段中的They guess it may be because dogs find angry faces disgusting, causing them to withdraw quickly以及However可知，與前面意思相反，以及劃線詞后的disappear可知once the smart dogs realized they were getting rewarded, the trepidation seemed to disappear.…此句為，狗看到生氣的表情后會(huì)感到厭惡，并由此退縮，但是一旦聰明的狗意識(shí)到會(huì)有獎(jiǎng)勵(lì)之后，它們的恐懼以及退縮就會(huì)消失。 （3）考查推理判斷。故選C。第一段提出文章的主旨即“每個(gè)狗的主人都知道他們的狗狗能很好地讀懂他們的情緒，但科學(xué)家們一直有點(diǎn)懷疑。因此本文的最好的題目就是“狗能識(shí)別人的情緒”。 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，詞義猜測(cè)，推理判斷和主旨大意四個(gè)題型的考查，是一篇科研類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。 s green. So what39。 In 1800 when a Scottish headmaster named James Pillans wanted his students to draw maps, the students couldn39。 The color change came in the 1960s when panies sold, steel plates, coated with green enamel (漆) instead of the traditional dark slate. The new material was lighter and less fragile than the first blackboards, so they were cheaper to ship and more likely to survive the journey. Teachers weren39。Blackboard.Chalkboard.Greenboard.Mini board.（2）Why did the headmaster ask the students to put their mini boards together? A.To make enough space.C. attention.D. interest.（3）Which of the following is NOT the advantage of the greenboard? A.re lighter in weight.B.re more convenient to transport.C.re easier to erase the powder.D.re more useful than the traditional ones.（4）What39。Introduction of the blackboard.B.Color of the blackboard.D.回答了黑板為什么是綠色的？這個(gè)問(wèn)題。根據(jù)第一段中的，...late 18thcentury students used their own mini boards made of slate (石板) or painted wood...可知，18世紀(jì)的學(xué)生用的是“迷你板”。 （2）考查推理判斷。In 1800 when a Scottish headmaster named James Pillans wanted his students to draw maps, the students couldn39?？芍?，校長(zhǎng)讓學(xué)生把他們的迷你板拼湊在一起是為了創(chuàng)造一個(gè)大的空間來(lái)畫地圖。 （3）考查細(xì)節(jié)理解。故選D。文章第一段前四句話點(diǎn)明了文章中心：我們看到的黑板大多是綠色的，為什么叫黑板？通讀全文也可知文章主要講述了黑板發(fā)展過(guò)程中顏色從黑色變成綠色的過(guò)程和原因。 【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，是一篇科普類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。 Environmental experts warn that our planet is drowning in plastic.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. 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. 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.Provide background information.B.Explain the reason for trash.D.The World Economic Forum.Demand of some panies.C.D.United States and Switzerland.B.Canada and Britain.France and Canada.（4）What is the text mainly about? A.The development of future city.C.s environmental issue.D. （1）考查推理判斷。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.”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(gòu)物模式提供背景信息。 （2）考查細(xì)節(jié)理解。故選C。根據(jù)最后一段“Loop is set to launch later this year in three eastern . states, and also in Paris, France and some of the surrounding area. Then Loop plans to expand to the . West Coast, Toronto, Canada and Britain by the end of this year or 2020.”可知，Loop計(jì)劃在2020年前將業(yè)務(wù)擴(kuò)大到加拿大和法國(guó)。 （4）考查主旨大意。故選A。5．犇犇閱讀理解 Yellowstone National Park is a typical example of just how wolves can help repair an ecosystem. An October 2018 study analyzed 40 years of research on large animals inside the park.d never have seen these responses if the park hadn39。 After the wolves were reintroduced at Yellowstone, willow and cottonwood trees increased in number. The population of bears and bison also rose and what was once a ruling deerwolf interaction is now more diverse. The research is one more piece of evidence for why protecting these top predators is important not just for wolves as a species, but for hundreds of species at every level of an ecosystem. The fear they bring along may be the very angle that helps save them from dying out.（1）What does the underlined word anticipate in paragraph 3 probably mean? A.B.C.D.To introduce how wolves behave in the wild.B.To record how Aaron Wirsing observed wolves.D.It proves wolves feed on hundreds of species.B.It shows the plex relationships between species.D.The fear of wolves is beneficial to ecosystems.B.Yellowstone National Park owes its healthy ecosystems to wolves.D. （1）考查詞義猜測(cè)。故選A。根據(jù)第五段中的“To learn more about just how wolves are beneficial, a short documentary from Quest exp