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1、2022-2023年湖南省娄底市大学英语6级大学英语六级测试卷(含答案)学校:_ 班级:_ 姓名:_ 考号:_一、2.Reading Comprehension (Skimming and Scanning)(20题)1.The problems either with the dispenser mechanism or with the bills can lead to _.2.Later in life Nixon was often proud of his elementary school teacher Miss George because she held that he
2、had a photographic mind.A.Y B.N C.NG3. What are people advised to do after a job loss?A.Argue with the employer about the reason for the layoff.B.Remain even-tempered and avoid radical behaviors.C.Make a fair comment on their job performance.D.Send the company e-mails to ask for compensation.4.Some
3、researchers tried to study gossips, which they found almost impossible in the lab environment.A.Y B.N C.NG5. Widely using PrEPs may cause potential problems like ethical issues and _.6.A great slogan should remind people of the brand name, so the name should appear in the tagline.A.Y B.N C.NG7.Some
4、scientists set up domes in the Polar Regions.A.Y B.N C.NG8._ makes a 98.5% reduction in man-days on unloading the ship.A.Containerization B.Productivity C.Competition D.Management9.Children who have fat mothers are much more likely to become obese themselves later in life because of _.10.A unanimous
5、 definition of culture has failed to emerge both in social anthropology and every- day life.A.Y B.N C.NG11.To improve your output, youd better create a standard for your output and are determined to overtake it12.Natural-gas VehiclesKermit the Frog once said, Its not that easy be in green. Although
6、he wasnt referring to cars, his observation seems particularly appropriate for the auto industry today: Designing, developing and marketing green cars has not been an easy task, which is why gasoline-powered vehicles still rule the road and fossil fuels still account for almost 75 percent of the wor
7、lds energy consumption. As gasoline prices soar and concern over harmful emission mounts, however, cars that run on alternate fuel sources will become increasingly important. A natural-gas vehicle, or NGV, is the perfect example of such a car - its fuel-efficient, environmentally friendly and offers
8、 a relatively low cost of ownership.Natural Gas BasicsThe word gas is a confusing term because it is used to describe many different substances that are similar but not exactly the same. For example, the gas you put in your car is gasoline, one component of crude oil, or petroleum. Petroleum is a da
9、rk, sticky liquid mixture of compounds formed underground by the decay of ancient marine animals.Natural gas also comes from the decay of ancient organisms, but it naturally takes a gaseous form. instead of a liquid form. Natural gas commonly occurs in association with crude oil. It is derived from
10、both land plants and aquatic (水生的) organic matter and forms above or below oil deposits. It is often dissolved in crude oil at the high pressures existing in a reservoir. There are also reservoirs of natural gas, known as non-associated gas, that contain only gas and no oil.Natural gas consists prim
11、arily of methane (沼气) and other hydrocarbon gases. Hydrocarbons are organic compounds composed only of the elements carbon and hydrogen. The hydrocarbons in natural gas are called saturated hydrocarbons because they contain hydrogen and carbon bound together by single bonds.Like gasoline, natural ga
12、s is combustible (易燃的), which means it can be used in a combustion engine like gasoline. But cars that could burn natural gas didnt appear on the scene until the 1930s.From Field to FordWe extract natural gas trapped in underground reservoirs by drilling wells into the earth. A modern well. equipped
13、 with diamond-studded drill bits, can drill to depths approaching 25.000 feet.Throughout the 19th century, the use of natural gas remained localized because there was no way to transport large quantities of gas over long distances, in 1890, the invention of a leakproof pipeline coupling made it poss
14、ible to transport gas miles from the source. Improvements in pipeline technology continued over the next two decades until long-distance gas transmission became practical. From 1927 to 1931, ,laborers constructed more than t0 major natural gas transmission systems in the United States, making natura
15、l gas a viable energy source for many applications. The oil shortages of the late 1960s and early 1970s brought renewed interest in natural gas as a fuel source, especially for automobiles.Today, owners of natural-gas vehicles can fill up their cars at one of 1,300 fueling stations located in the Un
16、ited States. Honda also offers a personal natural gas pump to people who purchase its natural-gas-powered Civic. The pump uses a homes existing natural gas lines and can be installed for $ 500 to $1500.Natural-gas Vehicle DesignNatural-gas vehicles use the same basic principles as gasoline-powered v
