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1、1 阅读理解专练(八) 科学与技术 (限时 20 分钟) A (2018泰安一模)The most powerful rocket to leave Earth since the Apollo missions launched (发 射) from Florida on February 6. What was the launch trying to achieve? The Falcon (猎鹰) Heavy test flight was mostly a proofofconcept, showing the world it is possible to successfully
2、 fly a rocket with three reusable boosters (助推器) beyond orbit.SpaceX billionaire Elon Musk said that the company planned to aim the rocket so the electric car reached Mars orbital path around the sun about six months after launch. He added that the car could pass close to the red planet as it crosse
3、d its orbit，though he admitted this was “extremely unlikely” What does SpaceX gain from the flight? SpaceX was built around the idea that reusable rockets could greatly reduce the cost of carrying cargo (货物) into space for paying customers, such as satellites or space station resupplies. Showing tha
4、t the huge Falcon Heavy rocket actually works is important if SpaceX plans to sell cargo space on the craft in future, with the company planning to charge customers D|S90 million per flight. Has SpaceX achieved its goals? Musk repeatedly warned Falcon Heavy would likely explode on the launch station
5、 as a result of its huge power.SpaceX had sligHTKy overcooked one of the rockets booster burns, sending the main capsule out of its planned track.The car will likely end up further into the solar system than intended, missing Mars. In short, the rocket made it beyond Earths orbit SpaceXs primary goa
6、l but missed its targets to reland all three boosters and send Musks Tesla to Mars. Does that matter? 2 SpaceXs failure to reland all three of its boosters will be a concern for potential customers.Despite the faults, the launch has still been praised by industry experts as a gamechanger because of
7、its potential to motivate the company to the very forefront of the modern day space race. Once it irons out the errors, SpaceX will offer cargo rides aboard the most powerful operational rocket in the world. 语篇解读：SpaceX 旨在把电动汽车发送到火星的轨道路径上，虽然最终未完全实现目标，但也完成了 基本目标，把该车发射到脱离地球轨道了。 1Why did SpaceX launch
8、the Falcon Heavy the most powerful rocket? ATo fly a rocket with three reusable boosters beyond orbit. BTo test the function of his electric car Tesla. CTo send the electric car to the orbital path of Mars. DTo help the government to explore the Mars. 解析：选 C 细节理解题。根据文章第二段中的“SpaceX billionaire Elon M
9、usk said that the company planned to aim the rocket so the electric car reached Mars orbital path around the sun about six months after launch.”可知此次发射旨在把电动汽车发送到火星的轨道路径上。 2What effect will the reusable rockets bring? AThe cost of satellites or space station resupplies will be reduced. BMore customers
10、 can afford the space flight in the future. CSpaceX will gain less profit from the flight. DThey would likely cause explosion. 解析：选 B 推理判断题。根据文章第五段的内容可知将来更多的客户会付得起太空飞行的费用。 3What goal did SpaceX achieve in the last? AIt sent the main capsule into its planned track. BThe car ended up further into the
11、solar system as intended. CThe rocket made the car beyond Earths orbit. DIt relanded all three boosters and sent Musks Tesla to Mars. 3 解析：选 C 细节理解题。根据文章第七段的内容可知 SpaceX 把电动汽车发射到脱离地球轨道了。 4How would the professionals feel about the future of SpaceX? AIts unexpected. BIts ambiguous. CIts discouraging.D
12、Its hopeful. 解析：选 D 推理判断题。根据文章倒数第二段中的“Despite the faults, the launch has still been praised by industry experts as a gamechanger because of its potential to motivate the company to the very forefront of the modern day space race.”可知专家们对 SpaceX 的将来感到很有希望。 B (2018石家庄质检)Flat Holm is a picturesque landm
13、ass located in Britains Bristol Channel.The areas low energy needs have therefore been fulfilled by using oldfashioned solar panels (太阳能电 池板) and diesel generators (柴油发电机)The beautiful island is now, however, becoming increasingly popular with tourists wishing to explore the rural landscape and view
14、 the islands seabird colonies. Though this is welcome news, meeting the islands growing energy needs without damaging its environment has been a challenge.Flat Holm team leader Natalie Taylor says, “Its really important that we have a really high functioning system.From an environmental point of vie
15、w, we want to reduce the use of diesel generators so that we can have as small an ecological footprint as possible.” Fortunately, UKbased startup Renovagen had the perfect solution.The companys Rapid Roll Solar PV system consists of flexible solar panels that can be unrolled like a carpet from a tra
16、iler (拖 车) within two minutes and instantly put to work.According to the company, a small panel can provide 11kW of power. The technology is the brainchild of Renovagens Managing Director John Hingley, who came up with the idea after seeing something used as a backup battery for mobile devices about five years ago.In addition to being easy to unfold, the rollable panels are also more costeffective to transport.Hingley says, “Compa
