题目内容
7.Brain activity may continue for more than 10 minutes after the body appears to have died,according to a new study.Researchers had previously thought that brain activity ends before or shortly after the heart stops beating.But a team of doctors affiliated with the University of Western Ontario in Canada has documented a case in which a patient continued to experience brain wave activity for about 10minutes after he had been announced clinically dead (or brain dead).
The unusual circumstance came about as the team in Canada was conducting routine research regarding the process of death in humans.As four terminal patients were removed from life support,their vital signs(生命体征) were monitored for a length of time.Three of the patients stopped sending brain signals almost immediately after their hearts stopped,but the fourth instead began producing signals that are normally seen in a person that is in a very deep sleep-delta waves-and continued to do so for 10minutes and 38seconds.
In the case,doctors confirmed their patient was dead through a range of the normal observations,including the absence of a pulse(脉搏) and unreactive pupils(瞳孔).They also conducted a series of tests to make sure all of the equipment was working fine.After finding no problems,they reported that they had no explanation for what they had observed.
Scientists not involved with the research are cautious to draw any sort of conclusions since the phenomenon only occurred in one of four test patients.
What happens to the body and mind after death remains almost entirely mysterious to scientists.Two other studies last year,for instance,showed that genes appeared to continue functioning-and even function more energetically-in the days after people die.
What?s really going on?That?s the rational question following this latest brain activity study.
32.Previously,brain activity was thought toA.
A.end as the heart stops.
B.last much longer than heart beat.
C.stop in a very deep sleep.
D.prevent genes functioning.
33.What was special about the fourth patient after death?B
A.His pupils made no reaction.
B.His brain waves were monitored.
C.He had no pulse already.
D.His life support wasn?t removed.
34.What?s the scientists?attitude towards this observation?C
A.Negative.B.Positive.C.Careful.D.Uninterested.
35.Why does the writer mention the other two studies done last year?D
A.To express dissatisfaction with the scientists?work.
B.To encourage scientists to do more brain studies.
C.To invite the readers to give more such examples.
D.To show brain activity after death remains a mystery.
分析 本文主要是研究了人的身体死了之后,大脑活动可能会持续超过10分钟后的这样一种现象.
解答 32.A 推理判断题.根据句子brain activity ends before or shortly after the heart stops beating在心脏停止跳动之前或之后不久大脑的活动结束.可以推断出心脏停止跳动大脑活动停止,所以答案选A.
33.B 推理判断题.根据句子 but the fourth instead began producing signals that are normally seen in a person that is in a very deep sleep-delta waves-and continued to do so for 10minutes and 38seconds但是第四个人开始产生一种信号,这种信号通常出现在睡眠很深的人的身上,持续10分钟38秒.可见第四个病人的大脑电波依然被监控着的,所以答案选B.
34.C推理判断题.Scientists not involved with the research are cautious to draw any sort of conclusions since the phenomenon only occurred in one of four test patients没有参与这项研究的科学家谨慎地得出任何结论,因为这种现象只发生在四个试验病人中.可以推断出科学家对于这件事是非常谨慎的.所以答案选C.
35.D 推理判断题.根据句子What happens to the body and mind after death remains almost entirely mysterious to scientists.对科学家来说,死后身体和心灵的变化几乎完全是神秘的.另外的两个例子也是对这种神秘的研究,所以答案选D.
点评 推理判断题要求在理解原文表面文字信息的基础上,做出一定的推理判断,从而得到文章的隐含意义和深层意义.推理判断题所涉及的内容可能是文中的某一句话,也可能是某几句话,所以,推理题的答案只能是根据原文表面文字信息一步推出的答案:即对原文某一句话或某几句话所作的同义改写或综合.推理判断题的题干中通常含有infer,suggest,imply,conclude indicate等标志性词语. 这种题型主要包括细节判断题、态度观点推断题、写作意图推断题、文章出处判断题和猜测想象推断题.
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