首页
登录
职称英语
[originaltext]W: In science fiction movies, there are many examples of spaceshi
[originaltext]W: In science fiction movies, there are many examples of spaceshi
游客
2023-10-22
44
管理
问题
W: In science fiction movies, there are many examples of spaceships racing through space at the speed of light or faster. But is faster-than-light travel possible? In a new study, Erik Lcntz, an American physicist from the University of Goettingcn in Germany, has proposed a theory of how faster-than-light travel could be possible. Today, we are honored to have Prof. Lentz with us, talking about their discoveries.
M: Thank you. Now, after our research, we believe that travel to distant stars and planets could be possible in the future. But this can only be achieved if the spacecraft exceeds the speed of light.
W: We learned from our high school physics book that light can travel at about 300000 kilometers in one second.
M: Yes. Physicist Albert Einstein’s famous Theory of Relativity suggests that it is not possible to travel faster than light. So, our latest research on the subject has centered on theories beyond normal explanations of matter. We call for "hypothetical particles" and states of matter with unusual physical properties to permit faster-than-light travel.
W: So how did you carry out the research?
M: Well, we had a plan to permit superfast travel by creating a series of solitons (孤子) to provide the basis for a powerful propulsion (推动力) system. A soliton is a compact wave that keeps its speed and shape while moving with little loss of energy.
W: If this method works, could it permit travel at any speed?
M: Yes. The method uses the very structure of space and time arranged in a soliton to provide a solution to faster-than-light travel. Such a technology could be used to sharply reduce travel times.
W: If we can really reach a speed faster than light, space travel to other planets may become much easier.
M: The nearest star beyond our solar system is Proxima Centauri. Using the traditional rocket fuel, it would take about 50000 to 70000 years to reach Proxima Centauri. A trip using nuclear propulsion technology would take about 100 years. But a light-speed trip would take only four years and three months. Our plan promises the hope of faster-than-light-speed travel, which could lead to "distant interstellar travel within a human lifetime."
W: Is it promising to make your theory into reality?
M: Yes, but a lot of work will be needed to make the method become a reality. The research and development process is difficult, but certainly not impossible. Additional steps could happen over the next several years, with a fully operational version possible within the next 10 years.
W: That’s something we can look forward to.
M: I agree. I would like to see this technology in use in my lifetime.
1. Who is Eric Lentz?
2. What does Albert Einstein’s Theory of Relativity suggest?
3. What is the basis of Prof. Lentz’s propulsion system?
4. How can Prof. Lentz’ research help space travel?
5. What does Prof. Lentz say about his research?
选项
A、There is little chance of their theory becoming a reality.
B、A fully operational version may be available within the next 10 years.
C、It had been put into practice earlier.
D、It can save 50000 years to reach Proxima Centauri.
答案
B
解析
由原文可知,伦茨教授认为,要实现这种方法还需要做很多工作。研究和开发过程是困难的,但肯定不是不可能的。未来几年还会有更多的步骤,在未来10年内可能会有一个完全可操作的版本。由此推知,答案为B。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3119736.html
相关试题推荐
[originaltext]M:Goodmorning,DrHealy.Welcometo"TheyearstoCome".W:Tha
[originaltext]M:Goodmorning,DrHealy.Welcometo"TheyearstoCome".W:Tha
[originaltext]M:Goodmorning,DrHealy.Welcometo"TheyearstoCome".W:Tha
[originaltext]M:Excusememadam.W:Yes?M:Iwonderwhetheryou’dhelpus.We
[originaltext]M:Excusememadam.W:Yes?M:Iwonderwhetheryou’dhelpus.We
[originaltext]W:Goodmorning,LeightonUniversityLibrary.HowcanIhelpy
[originaltext]W:Goodmorning,LeightonUniversityLibrary.HowcanIhelpy
[originaltext]M:MalalaYousafzai,thankyouforjoiningus.Telluswhatin
[originaltext]M:MalalaYousafzai,thankyouforjoiningus.Telluswhatin
[originaltext]M:MalalaYousafzai,thankyouforjoiningus.Telluswhatin
随机试题
Thefollowingisalistoftermsrelatedtotradeandeconomy.Afterreadingit,
A—contractB—counter-offerC—customsdutyD—dateofdeliveryE—declaredvalueF—
C提示利用复合函数导数计算公式计算:
关于基础体温测定,下列哪项不恰当A.双相型体温提示有排卵 B.高温相持续3周以
建设工程管理的核心任务是()。A、为工程的建设和使用增值 B、提高建设项目
旋覆代赭汤主治呕吐的病机是A.胃虚痰阻B.胃虚有热C.痰阻气滞D.寒凝血瘀E.胃
控制细菌生命所必需性状的是A、细菌染色体 B、细菌蛋白质 C、质粒 D、噬
(2018年真题)2016年12月20日,甲公司以4800万元购
通常应用在深冷工程和化工管道上,用作仪表测压管线或传达有压液体管线,当温度大于2
下列项目中,不属于企业所得税优惠政策的是( )。A.企业从事公路项目投资经营所得
最新回复
(
0
)