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1.老托福听力93篇汇总
Thank you. It's great to see so many of you interested in this series on "Survival in Outer Space."
谢谢。见到你们这么多人对“生存在外层空间”这个系列感兴趣真是太棒了。
Please excuse the cameras, we're being videotaped for the local TV stations.
请原谅这些摄像机,我们正在为地方电视台录像。
Tonight I'm going to talk about the most basic aspect of survival—the space suit.
今晚我将要谈论关于最基本的生存方面——宇航服
When most of you imagine an astronaut, that's probably the first thing that comes to mind, right?
当你们中的大多数人想象一个宇航员的时候,那个可能是脑子里首先要想到的,对吗?
Well, without space suits, it would not be possible for us to survive in space.
好,没有宇航服,对我们来说生存在太空中是不可能的。
For example, outer space is a vacuum—there's no gravity or air pressure; without protection, a body would explode.
举例来说,外层空间是一个真空空间——没有重力和气压;没有防护的话,人体将会爆炸。
What's more, we'd cook in the sun or freeze in the shade with temperatures ranging from a toasty 300 degrees above to a cool 300 degrees below zero Fahrenheit.
更重要的是,从酷热的零上300华氏度到冰冷的零下300华氏度的温度范围里,我们会在阳关下被烤熟或者在阴影下被冰封
The space suit that NASA has developed is truly a marvel.
NASA研制出的的宇航服真是个奇迹
This photo enlargement here is a life-size image of an actual space suit worn by astronauts on the last space shuttle mission.
这张放大的照片是个与实物大小一样的,一件真正的被宇航员在最近一次航天飞机任务中穿过的图像
This part is the torso.
这个部分是躯干。
It’s made of seven extremely durable layers.
它是由七个极其耐用的层次制成的
This thick insulation protects against temperature extremes and radiation.
这个厚厚的隔离层防御了极端温度和辐射。
Next is what they call a "bladder" of oxygen that's an inflatable sac, filled with oxygen, to simulate atmospheric pressure.
下一个是所谓的氧气囊,那是一个可充气的囊,充满了氧气,用来模拟大气压强。
This bladder presses against the body with the same force as the Earth's atmosphere at sea level.
这个囊状物压在皮肤上,带着同样的力量,就像地球空气在海平面上一样。
The innermost layers provide liquid cooling and ventilation.
最内层提供了液体冷却和通风设备。
Despite all the layers, the suit is flexible, allowing free movement so we can work.
尽管有所有这些层,宇航服是有灵活性的,允许自由运动,所以我们能够工作。
Another really sophisticated part of the space suit is the helmet.
另一个非常复杂的宇航服的部分是头盔
I brought one along to show you. Can I have a volunteer come and demonstrate?
我带了一个过来展示给你们。我能找个志愿者过来演示一下吗?
2.老托福听力考试常用技巧
A.共2篇长对话和4篇演讲
B.材料包括学术讲座和长对话。听力对话场景可能是学生与教
授或助教在办公室的交谈,或者是学生和大学工作人员之间
有关服务方面的对话。办公室对话的内容通常与学术内容或
课程要求有关。服务对话的内容可能是关于缴纳公寓住宿费、
注册课程或者询问图书馆的信息。(其中听力对话场景在计算
机屏幕上有图片显示)
C. 题型为:①传统的单项选择题
②多项选择题
③排序题,即排列事件的先后顺序,或排列某个过程的步骤
④搭配题,即在图表中将一些对象或者文本分类
以上就是关于“老托福听力93篇有用吗”的内容,希望通过上述内容的学习,让大家更好地备考考试,小编在这里预祝大家在考试中有更好的发挥,拿到高分成绩,如果大家在备考中有什么疑问,也可以咨询我们的在线老师哟~~~