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职称英语测验完形填空操练题理工C
在人生的大海中，咱们固然不能掌握风的巨细，却能够调剂帆的标的目标。以下是小编为大师搜刮清算的职称英语测验完形填空操练题理工C，但愿能给大师带来赞助!更多出色内容请实时存眷咱们应届毕业生测验网!
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 -90℃, 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 -120℃. The temperature depends upon __________ (53) you are in direct sunlight or in shade. Obviously, -120℃ 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 -210℃. 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 a temperature below absolute zero, which is -273℃, 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--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 Bose thought--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 accurate today they would only lose one second __________ (64) six million years! Such accuracy will help us travel in space because distance is velocity (速率) times time (d=υt). With the long distances involved in space__________ (65), we need to know time as accurately as possible to get accurate distance.
51._________
A.operated
B.occurred
C.opened
D.offered
52.___________
A.star
B.Earth
C.space
D.planet
53.___________
A.whether
B.where
C.what
D.when
54.___________
A.safely
B.sadly
C.repeatedly
D.freely
55.___________
A.system
B.energy
C.year
D.rays
56.___________
A.by
B.away
C.along
D.with
57.___________
A.education
B.status
C.knowledge
D.location
58.___________
A.impossible
B.interesting
C.reasonable
D.necessary
59.___________
A.burnt
B.blown
C.cut
D.cooled
60.___________
A.invention
B.experiment
C.theory
D.paper
61.___________
A.forcing
B.begging
C.ordering
D.convincing
62.___________
A.would
B.will
C.must
D.need
63.___________
A.that
B.such
C.much
D.more
64.___________
A.any
B.each
C.some
D.every
65.___________
A.station
B.craft
C.travel
D.age
51.谜底：B
剖析：这里考核的是辞汇。句意：地球上的最低温度记实是零下。90度，__________1983年的。南极洲。此处抒发的意思是“产生于”，是以选B。
52.谜底：C
剖析： 这里考核的是辞汇。句意：当咱们在会商__________温度的时辰咱们碰到了很风趣的景象。此处的谜底在文中第三段第一句话有提醒，是以咱们会商的是大气温度，以是谜底为C。
53.谜底：A
剖析： 这里考核的是牢固搭配。句意：温度取决于你在阳光直射下仍是阴凉处。whether…or，意思为“是……仍是……”，是以挑选A。
54.谜底：A
剖析： 这里考核的是辞汇。句意：很较着，零下120度比咱们身材保持的——温度要低良多。四个选项：safely(宁静地)，sadly(悲伤地)，repeatedly(反复地)，freely(自在地，收费地)别离代入，只要A与原句表现的“身材宁静”符合，故A为准确谜底。
55.谜底：A
剖析： 这里考核的是辞汇。句意：咱们之前会商的大气温度只影响咱们的太阳__________。四个选项：system(体系)，energy(能量)，year(年)，rays(射线)，明显原句应是“太阳系”，是以选A。
56.谜底：B
剖析： 这里考核的是辞汇。句意：明显，离太阳越近则越热，离太阳——越冷。此处考核的是与closer意思相反的短语，是以是travel away from(阔别)，以是挑选B。
57.谜底：D
剖析： 这里考核的是辞汇。句意：一样，这取决于你的__________。前一句问的是在宇宙中能展望到最冷的处地点哪儿，很明显这与你地点的地位有关，故D为准确谜底。
58.谜底：A
剖析： 这里考核的是辞汇。句意：咱们从讲义中学到__________有低于绝列零度的温度。知识题目，不相对零度的物体，是以A为准确谜底。
59.谜底：D
剖析： 这里考核的是辞汇。句意：两位迷信家Cornell和Wieman胜利地将气体__________靠近相对零度。咱们都晓得相对零度是零下273.15度，是以此处应为cool down(冷却)，故D为准确谜底。
60.谜底：C
剖析： 这里考核的是辞汇。句意：在20世纪20年月，Satyendra Nath Bose就研讨对于光子的风趣的__________。后一句讲Bose没法使迷信家们信任他的实际，是以此处应选theory。
61.谜底：D
剖析： 这里考核的是辞汇。句意：Bose没法使迷信家们__________他的实际，以是他接洽了爱因斯坦。四个选项：force(逼迫)，beg(要求)，order(号令)，convince(使确信)别离代入，可知D为准确谜底。
62.谜底：A
剖析： 这里考核的是时态。句意：爱因斯坦的计较有助于他将其实际化，那便是原子像Bose以是为的那样活动，但只要在很是低的温度之下才行。全部句子为曩昔时，以是谜底为would。
63.谜底：D
剖析： 这里考核的是辞汇。句意：迷信家们发明超冷的原子能够赞助他们制作天下__________切确的原子时钟。后一句说这些时钟如斯地切确，是以此处是抒发“更切确”，描述词的比拟级用more，故D为准确谜底。
64.谜底：D
剖析： 这里考核的是辞汇。句意：这些时钟如斯切确，以致于__________600万年才会走慢1秒钟。按照选项可知这里抒发的是“每600万年”，each前面是跟双数名词，every在这里作“每隔”讲，是以D为准确谜底。
65.谜底：C
剖析： 这里考核的是辞汇。句意：在太空里长间隔地__________咱们须要时辰越切确越好，以便达到准确的目标地。四个选项：station(火车站，站)，craft(工艺，技术)，travel(移 动，观光)，age(春秋)别离代入，可知谜底选C。
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