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考研
escape from(Para. 1) can be substituted for From the third paragraph, besides shelter, the seawater is used as
escape from(Para. 1) can be substituted for From the third paragraph, besides shelter, the seawater is used as
admin
2010-11-27
16
问题
escape from(Para. 1) can be substituted for
From the third paragraph, besides shelter, the seawater is used as
选项
A、detector.
B、sensor.
C、agent.
D、solvent.
答案
C
解析
本题问从第三段可知,除屏蔽作用外,海水还起到什么作用。文章第三段介绍了DUMAND计划,其中海水有两个作用:一是屏蔽掉其他高能粒子(…shield them from the interfering effects of other high-energy particles…),二是用作反应物与中微子作用(…a neutrino interacts with a particle in an atom of seawater,…)。agent的意思是"反应物,试剂"。检测器:在实际检测过程中,首先是中微子与海水作用,然后被传感器探测到(…can be detected by the sensors)。即:海水+sensor=detector。传感器:在海底安放sensors,但海水本身不是sensor。溶剂:solvent是"溶剂"的意思,虽然文中含糊地说海水是"detector medium",但实验者并没有把它作为溶剂去稀释中微子。
转载请注明原文地址:https://kaotiyun.com/show/WxZ4777K
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考研英语一
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