一起学托福阅读之自然科学篇—“机遇号”火星马拉松.docx

一起学托福阅读之自然科学篇—“机遇号”火星马拉松美国宇航局的机遇号探测器在火星上做了什么里程碑意义的事情让研究者们欢呼鼓舞？机遇号在火星上又有什么发现？跟着托福小编一起来看今天的托福阅读材料吧！?　　在阅读之前，先来看看文章中有哪些疑难词：?　　rover n. 漫游者　　enterprise n. 企业；事业　　Propulsion n. 推进；推进力　　Inspire vt. 激发；鼓舞　　Yield n. 产量；收益v. 屈服?　　开始阅读吧！?　　NASAs Opportunity rover finishes marathon on Mars　　美国宇航局的“机遇号”探测器完成“火星马拉松”?　　NASAs Opportunity rover completed its first Red Planet marathon of 42.195 kilometers on Tuesday with a finish time of roughly 11 years and two months, the U.S. space agency said.?　　周二(美国时间2015年3月24日)，美国宇航局的“机遇号”探测器在登陆火星11年零2个月后终于跑完42.195公里的红色星球马拉松全程，美国宇航局官员说。?　　This is the first time any human enterprise has exceeded the distance of a marathon on the surface of another world, John Callas, Opportunity project manager at NASAs Jet Propulsion Laboratory, said in a statement.?　　这是人类制造的机器第一次在外星球表面走过超出马拉松比赛的距离，”NASA喷气动力实验室的负责机遇号项目的负责人约翰·卡拉斯说在一次声明中如是说。?　　The long-lived rover surpassed the marathon mark during a drive of 46.5 meters.?　　它在46.5米的行走中到达了“马拉松终点线”。?　　Last year, Opportunity became the long-distance champion of all off-Earth vehicles when it topped the previous record set by the former Soviet Unions Lunokhod 2 moon rover.?　　去年，当机遇号打破由前苏联月球车2号创造的探测距离记录时，它就成为了所有地球探测器的探测距离冠军。?　　This mission isnt about setting distance records, of course；its about making scientific discoveries on Mars and inspiring future explorers to achieve even more, said Steve Squyres, Opportunity principal investigator at Cornell University. Still, running a marathon on Mars feels pretty cool.?　　机遇号首席科学家，来自康奈尔大学的史蒂夫斯.奎尔斯说：“机遇号的任务当然不是打破探测距离那么简单，它是为了火星上的科学发现以及鼓励未来的探测者能够基于此得到更多研究结果。不得不说，在火星上能跑马拉松听上去很酷。”?　　Opportunitys original three-month prime mission in 2004 yielded evidence of environments with liquid water soaking the ground and flowing on planets surface.?　　起初机遇号在2004年的3个月探测任务取得了成果：证明了火星上有液态水浸湿地面，并在表面流动的环境。?　　As the rover continued to operate far beyond expectations for its lifespan, scientists chose the rim of Endeavour Crater as a long-term destination.?　　当探测器继续超过预期寿命运行时，科学家选择“奋进”陨石坑边缘作为探测器的终