【正文】 雖然政府發(fā)誓解決污染問題，但由于污染嚴(yán)重，整個(gè)新德里處于危險(xiǎn)的污染中，人們必須戴防污口罩，冬天天氣寒冷污染物成霧霾，成為世界是污染最嚴(yán)重的城市。 The city39。New Delhi, is engulfed each year as the weather cools and a thick haze builds up from the pollutants emitted from cars and coalbased power plants, swirling dust from construction sites and roads and smoke from crop stubble burning in neighboring states. Fireworks and firecrackers to celebrate the Hindu festival of Diwali then arrives, leaving Delhi the world39。 s history, which makes the city always be a fascinating place for tourists.7．閱讀理解 （4）考查推理判斷。人工智能不可能像科學(xué)家,小說家和藝術(shù)家那樣進(jìn)行發(fā)明創(chuàng)造。結(jié)合下文推斷人工智能能夠具有取代人類的工作是因?yàn)锳I在日常任務(wù)中表現(xiàn)超過了人類,劃線詞的意思是勝過,超過,故選A。而后文主要與人工智能有關(guān),由此推斷作者寫第一段的目的是引出人工智能這個(gè)話題。根據(jù)第一段可知一個(gè)名叫奈杰爾Upgrade people39。The psychologist.（4）Which of the following suggestions can the author give about job replacement of AI? A.Be related to（3）Which of the following jobs is the most likely to be replaced? A.Be inferior toTo stress the importance of good memory.D.So there will still be jobs in the age of AI. The key then must be retraining the workforce so people can do them. This must be the responsibility not just of the government, which can provide funds, but also of corporations and those who benefit most.（1）What is the main purpose of paragraph 1? A. Are you worried that these three types of jobs won39。 But not every job will be replaced by AI. In fact 故選A。故選C。 （2）考查詞義猜測。根據(jù)第一段中的The robot, created by a startup called Starship Technologies in 2014, is basically a cooler on wheels。We still need someone to look after robots in the future.D.A lot of job opportunities will be created.D.D.B.D.A factory robot.s campus while it delivered Red bull and other drinks to students. To retrieve (檢索) orders, the app encourages students to give the robot a wave。 Broadly speaking, jobs of caring for robots fall under the umbrella of careers in automation, which include maintenance, engineering and programming. The demand for people with this skill set is considerable, with 20 million to 50 million new jobs to be expected in this category by 2030, according to the Mckinsey Global Institute. In the year that ended in June 2018, had almost three times the number of positions on the recruitment mittee that ended in June 2016.s job was to monitor how it handled various grounds, field ments from the public, and press the off switch if necessary. He said, People would also ask if it could deliver beer. It couldn39。 （4）考查主旨大意。 （3）考查推理判斷。t a new one.”引人注目的顏色可以用來偽裝，這種想法并不新鮮，排除C，故選D。根據(jù)第一段中的“A good disguise keeps you hidden, right? 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.”可知彩虹色被動物用來通過逃離捕食者而活得更久，排除A；根據(jù)第三段中的“Here I would like to point out that in some species, particularly those that display strong sexual dimorphism(雌雄兩性), such as birds of paradise or some butterflies or fishes, the occurrence of iridescence is most likely driven by sexual selection.”在這里我想指出的是，在某些物種中，尤其是那些表現(xiàn)出強(qiáng)烈兩性差異的物種，比如天堂鳥、孔雀，甚至在某些蝴蝶或魚類中，彩虹色的出現(xiàn)很可能是由性別選擇所驅(qū)動的。Metallic iridescent as the best disguiseC.A famous camouflage strategyWhether there are any differences between bees and birds.B.Bees can always tell the difference between a circle and an ovalB.catch the attention of their matesC.s173。s concealment？ Coloration in the Animal Kingdom, already in 1909, that 39。 The idea that eye173。 And in our research group we are of course interested in why this vivid metallic color is so widespread in nature. Karin Kjernsmo of the University of Bristol adds that in some cases the showy splashes of light are a sexual strategy. Here I would like to point out that in some species, particularly those that display strong sexual dimorphism(雌雄兩性), such as birds of paradise or some butterflies or fishes, the occurrence of iridescence is most likely driven by sexual selection. For example, in many of these cases it is the males that have these vivid iridescent colors and they use them in mate choice or they use them as a signal to attract mates. Shining iridescent color, which changes depending on the angle from which it39。故選C。根據(jù)第三段中的The new material was lighter and... more likely to survive the Journey.可知A項(xiàng)和B項(xiàng)正確；以及After all, ... made the chalk powder easier to erase.可知C項(xiàng)正確；D項(xiàng)文章未提及。t draw the maps their teacher wanted on their tiny boards, so Pillans put several slates together to create a large board. ”在1800年，一名英格蘭校長James Pillans想讓他的學(xué)生們畫地圖，但是學(xué)生們在他們的迷你板上無法畫出地圖，因此校長讓學(xué)生把他們的迷你板拼湊在一起來制造一個(gè)大的板。故選D。Function of the blackboard.【答案】 （1）D（2）B（3）D（4）C 【解析】【分析】本文是一篇說明文，通過描述黑板發(fā)展歷程向讀者介紹了黑板最早的時(shí)候確實(shí)是黑色的，隨后慢慢發(fā)展變成了綠色。s the main idea of the text? A.They39。They39。To draw students39。D.C.B.t plaining either. After all, the new greenboards made the chalk powder easier to erase. Plus, the enamel left less of a glare and the color was nicer to look at. At that point, people started using the word chalkboard as a more accurate descriptor, but blackboard still stuck around.（1）What did the late 18thcentury students use in class? A.t draw the maps their teacher wanted on their tiny boards, so Pillans put several slates together to create a large board. Problem solved! From there, the idea spread quickly as teachers could finally show a concept to the whole class at one time. By 1815, the massive writing spaces were mon enough to earn their own name: blackboard.s up with the name? Originally, blackboards were really black. Before wallsized blackboards existed, late 18thcentury students used their own mini boards made of slate (石板) or painted wood, according to Concordia University, Those first boards were, in fact, black, and they paved the way for the larger ones.所以選D。根據(jù)倒數(shù)第二段中的Adult language learners of a second language may use t