首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
What Is the Coolest Gas in the Universe? What is the coldest air temperature...
What Is the Coolest Gas in the Universe? What is the coldest air temperature...
admin
2020-12-24
56
问题
What Is the Coolest Gas in the Universe?
What is the coldest air temperature ever recorded on Earth? Where was this low temperature recorded? The coldest recorded temperature on Earth was - 911), which (51) in Antarctica (南极洲)in 1983.
We encounter an interesting situation when we discuss temperatures in_(52)_ Temperatures in Earth orbit (轨道)actually range from about +120 to -1201).The temperature depends upon __ (53) you are in direct sunlight or in shade.Obviously,-1201) is colder than our body can (54) endure.
The space temperatures just discussed affect only our area of the solar __(55). Obviously, it is hotter closer to the Sun and colder as we travel (56) from the Sun. Scientists estimate temperatures at Pluto are about 一210t). How cold is the lowest estimated temperature in the entire universe? Again, it depends upon your (57). We are taught it is supposedly___ (58) to have atemperature below absolute zero, which is at which atoms do not move. Two scientists, Cornell and Wieman, have successfully_ (59) down a gas to a temperature barely above absolute zero. They won a Nobel Prize in Physics in 2001 for their work 一 not a discovery, in this case.
Why is the two scientists,work so important to science?
In the 1920s, Satyendra Nath Bose was studying an interesting _____ (60) about special light particles (微粒)we now call photons (光子)_ Bose had trouble_(61) other scientists to believe his theory, so he contacted Albert Einstein.
Einstein’s calculations helped him theorize that atoms ( 62) behave as Bosethought 一 but only at very cold temperatures.
Scientists have also discovered that ultra-cold (超冷)atoms can help them make the world’s atomic clocks even ( 63 ) accurate. These clocks are so accuratetoday they would only lose one second_(64) six million years! Such accuracy will help us travel in space because distance is velocity (速度)times time (of= w). With the long distances involved in space (65),we need to know time as accurately as possible to get accurate distance.
选项
A will
B would
C must
D need
答案
B
解析
根摒上下文判断可以排除选项C和D。will可用来表示“在一定的情况下通常 会……”,又因为本句主句的时态为一般过去式,所以从句中的助动词使用过去式would。 本题答案为B。
转载请注明原文地址:https://ti.zuoweng.com/ti/DV9QKKKQ
相关试题推荐
Thestudyshowsthatjoyisnotuniquetohumanbeings.A:universe B:specialC:s
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
WhatIstheCoolestGasintheUniverse? Whatisthecoldestairtemperature...
DarkForcesDominateUniverse Theearth,moon,sunandallvisiblestarsin...
DarkForcesDominateUniverse Theearth,moon,sunandallvisiblestarsin...
DarkForcesDominateUniverse Theearth,moon,sunandallvisiblestarsin...
随机试题
我国目前的出口信用保险体制属于()。 A.政府直接办理型 B.政府间接办理
佩兰具有的功效是 A.燥湿,平喘 B.燥湿,发表 C.化湿,安胎 D.化
旋覆花的用法入煎剂应 A、先煎 B、后下 C、冲服 D、包煎
工程咨询的特点包含()。
C
“身教重于言教”是{pz_填空}的作用在教育实践中的表现。
在单因素敏感分析图中,下列哪一项影响因素说明该因素越敏感? A.直线的斜率为负
最易形成潜伏感染的病原体是( ) A.HIV B.HBV C.HAV
1997年,山东省杂技团的车技节目在蒙特卡洛国际杂技节获得的唯一金奖是()A.“英航杯”奖B.“金小丑”奖C.“金棕榈”奖D.“金熊”奖
最细小的络脉是A:别络B:浮络C:孙络D:经别E:奇经