首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
High Dive kilometers up into the atmosphere.(1). No one has ever leapt from such a height or gone supersonic without an airpl
High Dive kilometers up into the atmosphere.(1). No one has ever leapt from such a height or gone supersonic without an airpl
admin
2009-06-15
36
问题
High Dive
kilometers up into the atmosphere.(1). No one has ever leapt from such a height or gone supersonic without an airplane or a spacecraft. Yet Stems, an airline pilot, is not the only person who wants to be the first to accomplish those feats. Two other. have people an Australian man and a Frenchman, are also planning to make similar leaps.
(1). First, she’ll climb into a cabin hanging from a balloon the size of a football field. Then the balloon will take her high into the’s trato sphere -- the layer of Earth’s atmosphere 12 to 50 kilometers above the planet. "The ascent will take two and a half to three hours." said Stems.”Tll be wearing a pressurized, temperature-controlled space suit.”
At 40 kilometers, Stems will be able to see the gentle curve of Earth and the blackness of space over head. Then she’ll unclip herself from the cabin and dive headfirst, like a bullet, into the atmosphere.(3) For high dive, astronaut escape suits are a key to success. Current pilot and astronaut escape suits are guaranteed only a maximum altitude of 21 kilometers. Del Rosso, a NASA engineer of spacesuits and life — support systems, said the suit designed for Stem’s jump could serve as a model for the lethal environment of higher climbs.(4)
The first hazard is oxygen-deficient air. Any person without an additional oxygen supply at 40 kilometers would die within three to five seconds. The second hazard is low atmospheric pressure. Atmospheric pressure is much lower at high altitudes than it is at sea level. The low atmospheric pressure of the upper stratosphere causes the gases in body fluids to fizz out of solution like soda bubbles.(5)Other hazards include temperatures as low as 55 degrees Celsius, flying debris, and solar radiation.
For Stems to survive, her spacesuit will have to protect her from all of these hazards. "A spacesuit is like a one-person spaceship," Del Rosso explained. "You have to take everything you need in a package that’s light enough, mobile enough, and tough enough to do the job. You can’t exist without it."
feat n. 技艺的表演
stratosphere n. 同温层
pressurize v. 加压,增压
lethal adj. 致死的
fizz v. 嘶嘶响
debris n. 碎片
A. It will handle several major hazards.
B. Escape suits are tough enough to stand the atmospheric pressure of the upper stratosphere.
C. From there, she’ll take a death-defying leap back to Earth at supersonic speed.
D. "In 30 seconds, I’ll be going Mach speed," said Stems.
E. How will Stems make her giant jump?
F. In short, blood boils.
选项
答案
C
解析
空格后出现了supersonic,而该词在C中出现了,所以重点注意,而C中的代词she 在前句中有呼应的词语——Cheryl Stems,因此判断C是答案。解题线索:前后句中词语的呼应构成句子之间的逻辑联系。
转载请注明原文地址:https://jikaoti.com/ti/z8JsFFFM
本试题收录于:
职称英语理工类A级题库职称英语分类
0
职称英语理工类A级
职称英语
相关试题推荐
MiddleAge:ALowPointforMostPeoplearoundtheglobehittheheightoftheirmiseryanddepressioninmiddle【51】______,
MiddleAge:ALowPointforMostPeoplearoundtheglobehittheheightoftheirmiseryanddepressioninmiddle【51】______,
MiddleAge:ALowPointforMostPeoplearoundtheglobehittheheightoftheirmiseryanddepressioninmiddle【51】______,
MiddleAge:ALowPointforMostPeoplearoundtheglobehittheheightoftheirmiseryanddepressioninmiddle【51】______,
MiddleAge:ALowPointforMostPeoplearoundtheglobehittheheightoftheirmiseryanddepressioninmiddle【51】______,
Dogsaresocialanimalsandwithoutpropertraining,theywillbehavelikewildanimals.Theywillspoilyourhouse,destroyyou
随机试题
《中国药典》规定,以人参皂苷Rb1为质量控制成分的是()。
饮用水质的净化处理和捎毒,通常的步骤是
血中还原血红蛋白至少达多少时,皮肤粘膜可出现紫绀
在项目组织方面,业主变自行管理模式为委托项目管理模式,这体现了工程项目管理具有( )趋势。
债券收益率曲线通常表现的形态包括()。
某外贸企业为增值税一般纳税人,具有进出口经营权。2014年3月发生相关经营业务如下:(1)购进衬衫一批,价款300万人民币,取得专用发票,该批衬衫当月全部出口,出口离岸价为人民币500万元;(2)从日化工厂购进化妆品一批,专用发票上注明
美学作为一门独立学科诞生于()。
适度的过度学习有利于记忆的保持,一般来说,学习程度以()为最佳,其效果最好。
教师参加专业的学术团体,在学术活动中充分发表意见,进行学术交流,这是《中华人民共和国教师法》赋予教师的()。
A、goodhealthcareandotherservicesB、fewerandfewerchallengesandpressuresC、moreinternationaldiscussionsbetweencountr
最新回复
(
0
)