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1、2022年安徽省铜陵市大学英语6级大学英语六级真题(含答案)学校:_ 班级:_ 姓名:_ 考号:_一、2.Reading Comprehension (Skimming and Scanning)(20题)1.People usually reread the materials when losing their interest.A.Y B.N C.NG2.When using a drive-up ATM, youd better drive close to the machine as well as _.3.The librarys own card catalog is only
2、 one of the many forms to which _ are available.4.The Inductrack design can produce a very strong magnetic field even when the train runs more slowly by _.5.Apart from CO2, which traps the suns radiation, other greenhouse gases like _are also involved in warming.6.According to Prof. Bhushan, we coul
3、d have stain-resistant window glass by using super- smooth polymer sheets, which are produced by _.7. The article deals with the link between _ and the suggestions to prevent them.8.What do local residents claim for?A.They are sick because of years of pollution.B.They are sick because of industries
4、on their doorsteps.C.They are sick because of pesticides from agriculture.D.They are sick because of air pollution.9.AliensAre there other forms of life in the universe? The scientific search for extraterrestrial (ET) life forms has been bolstered by two recent discoveries. First, the discovery of l
5、ife forms in exotic environments on Earth indicates that life is very hearty and can adapt to the strangest and most hostile environments. Second, astronomers found planets orbiting stars besides our sunover 50 extrasolar planets have been discovered as of 2001. Are there alien life forms on any of
6、these planets?If alien life does exist, what might it be like? Would it be simple forms of life such as bacteria, viruses or algae, or more advanced, multi-cellular creatures, perhaps even intelligent beings? Would aliens be animals, plants or have characteristics of both? Would they have arms and l
7、egs and walk upright as we do? Would they depend upon vision as their primary sense or use another way to gather information about their surroundings? Would they breathe oxygen or some other gas?Greetings, Carbon-based Bipeds(两足动物)!Most of us picture alien life the way its portrayed in movies, where
8、 aliens are commonly depicted as human-like forms because they use actors either to play the roles directly in make up or to be models for computer-generated animation. Also, audiences relate to human-like aliens better than to more exotic, monster like. However, the human body plan bilateral symmet
9、ry with onehead, two legs and two armsstems from when early animals such as lizard, crocodile, or dinosaur colonized the Earths land masses, and it seems unlikely that such a shape would evolve on an alien world. So, lets forget Hollywood for the moment and look closely at the real science of astrob
10、iology.Astrobiology is the scientific study of life in the universe. Astrobiologists seek to understand (among other things) how life arose and evolved on Earth, what governs the way life is organized and what makes a planet habitable.Astrobiology combines the disciplines of biology, chemistry, phys
11、ics, geology and astronomy. Often, astrobiologists must use the information learned about life on Earth as a guide for studying life elsewhere. Lets examine some of the unusual things that we have learned from life on Earth:Life in the ExtremeUp until about 30 years ago, it was believed that all lif
12、e on Earth was dependent upon energy from the sun. Furthermore, it was thought that you would probably not find life where temperatures were extremely hot, like in geysers or hot springs, or extremely cold, like in the Antarctic desert.These ideas changed when oceanographers explored hydrothermal ve
13、nts, openings in the ocean floor where extremely hot, mineral-rich water erupts from the crust. Hydrothermal vents are located several miles below the surface, on the ocean floor, where the surrounding water is at or near freezing, it is absolutely dark and the pressure is high. In organized communi
14、ties around the bases of these vents, called black smokers, scientists found clams, crabs and exotic, giant tubeworms measuring 6 feet (2 meters) long. The water coming out of these vents is 230 to 662 degrees Fahrenheit (110 to 350 degrees Celsius).How can these animals survive so far from the sunl
15、ight, under these extreme conditions? In the water, scientists found species of bacteria that split hydrogen sulfide(硫化物)from the water to get energy to make organic compounds. The tubeworms have bacteria in their tissues that help them derive energy from the water. The clams feed on the bacteria, a
16、nd the crabs feed on the tubeworms.The discovery of hydrothermal-vent communities showed that it is possible for life to evolve in places without light from the sun, and in other worlds without sufficient light from the parent star. In view of the discovery of hydrothermal vents, it may be possible that life
