say, because it provides further proof that robots can be used to perform ____39____ tasks, such as separating recyclable objects from landfill trash and assembling consumer products.
In a cellphone assembly line, the felling of any component is coming from force and touch rather than vision. To become an accomplished Jenga player, the robot did not require as much repetitive practice as you might imagine. Hoping to avoid reconstructing a Jenga tower thousands of times, researchers developed a method that allowed the robot to be trained on about 300 games. Researchers say the robot has already begun facing off against humans, who remain _____40_____ players—for now. 【答案】31. I. 32. D 33. B 34. K 35. E 36. A 37. J 38. F 39. C 40. G 【解析】
本文是一篇科技类短文阅读。人工智能的发展一直震惊着世界，研究人员现已开发新的机器人，可以通过实际训练来学习如何执行任务。 【31题详解】
考查动词。句意：机器人可以在竞争激烈的游戏中遇到人类，然后迅速消灭人类对手。动词encounter遇到，could后面选动词原形。故选I。 【32题详解】
考查动词。句意：现在，机器有了一个新游戏，它们可以使人类羞愧。动词shame使羞愧，allow sb to do sth.允许某人做某事，故此处填动词原形。故选D。 【33题详解】
考查副词。句意：玩家从一个由54块积木组成的越来越不稳定的塔上战略性地移走棋子，把每一块积木放在塔顶，直到整个结构倒塌。副词strategically战略上，修饰动词用副词，选项只有一个副词，句意适当。故选B。 【34题详解】
考查动词。句意：玩家从一个由54块积木组成的越来越不稳定的塔上战略性地移走棋子，把每一块积木放在塔顶，直到整个结构倒塌。动词collapse倒塌，would后面选动词原形。故
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选K。 【35题详解】
考查名词。句意：允许机器人探测塔的薄弱之处。名词weaknesses薄弱，用名词作宾语，故选E。 【36题详解】
考查动词。句意：层层叠游戏要涉及人机互动。动词involve涉及，must后面用动词原形。故选A。 【37题详解】
考查名词。句意：研究人员说，机器人证明，机器可以通过实际的触摸来学习如何执行某些任务，而不是严重依赖视觉线索。名词clues线索，形容词visual后接名词。故选J。 【38题详解】
考查名词。句意：物理的敏感性很重要。名词sensitivity敏感，作主语，而且是单数。故选F。 【39题详解】
考查形容词。句意：机器人可用于执行精细的任务。后面有例子，例如从垃圾填埋场的垃圾中分离可回收的物品，以及组装消费品，这些是精细的任务。形容词delicate精细的，修饰名词tasks。故选C。 【40题详解】
考查形容词。句意：机器人开始挑战目前更胜一筹的人类。形容词superior更胜一筹的，修饰名词players。故选G。
III. Reading Comprehension Section A(15分)
Directions: For each blank in the following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word of phrase that best fits the context.
From the nation's earliest days, farming has held a crucial place in the American economy and culture. Farmers play an important role in any society, of course, since they feed people. But farming has been particularly ___41___ in the United States with intensified attention from civilians and government as well.
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Early in the nation's life, farmers were seen as exemplifying economic ___42___ such as hard work, perseverance, and self-sufficiency. Moreover, many Americans, particularly immigrants who may have never held any land in the country, found that owning a farm was the ___43___ to enter the American economic system. They were immediately playing a part in the country’s economy.
The American farmer has generally been quite successful at producing food. Indeed, sometimes his success has created his biggest problem: the agricultural sector has suffered periodic explosions of overproduction that have ___44___ prices. When the government have to step in and ___45___ the worst of these events.
American farmers owe their ability to produce large yields to a number of factors. For one thing, they work under ___46___ natural conditions. The American Midwest has some of the richest soil in the world. Rainfall is ___47___ over most areas of the country; rivers and underground water permit extensive irrigation where it is not.
Increasing use of high-quality ___48___ also have contributed to the success of American agriculture. It is not unusual to see today's farmers ___49___ plows or harvesters. One farmer can manage large lands of farms. Fertilizers and pesticides are commonly used although some environmentalists _____50_____ it. Computers track farm operations, and even _____51_____ technology is utilized to find the best places to plant and fertilize crops. US agriculture is among the most advanced in the world.
Farmers still fight with forces beyond their control, _____52_____. Despite its generally benign weather, North America also experiences frequent floods and droughts. Changes in the weather give agriculture its own economic cycles, often _____53_____ the general economy. When negative factors hit farmers, calls for government assistance are particularly intense. In the 1930s, for instance, bad weather, and the Great Depression combined to push farms over the edge into a(n) _____54_____ situation. The government responded with _____55_____ agricultural reforms -- most notably, a system of price supports, whose significance toward the large-scale campaign lasted for many years. 41. A. valued illustrated
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B. accessed C. implemented D.
42. A. regulations requirements 43. A. shortcut substitute 44. A. maintained 45. A. take over out
46. A. varied 47. A. moderate 48. A. labor landscape
49. A. complicated executive 50. A. criticize 51. A. medical 52. A. for example additionally 53. A. subject to to
54. A. vague 55. A. struggling permanent
B. virtues C. obligations D.
B. implication C. reward D.
B. margined B. cover up for
C. depressed C. come up with
D. refunded D. smooth
B. favorable B. predictable B. investment
C. extreme C. timely C. chemical
D. visible D. acid D.
B. flexible C. accessible D.
B. recall B. mobile B. in all
C. evaluate C. space C. however
D. identify D. process D.
B. unrelated to C. reduced to D. applied
B. desperate B. traditional
C. isolated C. sweeping
D. feasible D.
【答案】41. A 42. B 43. A 44. C 45. D 46. B 47. A 48. A 49. A 50. A 51. C 52. C 53. B 54. B 55. C 【解析】 【分析】
本文是一篇说明文。文章主要介绍农业在美国经济和文化中占据着至关重要的地位，以及在20世纪30年代由于恶劣的天气和经济危机，美国政府对农业进行的全面改革。 【41题详解】
考查动词词义辨析。A. valued重视；B. accessed进入；C. implemented实施；D. illustrated
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