题目内容
5.Some people may be born happy,while others are genetically negative,scientists have suggested in a study published late February in a British journal.Earlier research had already established that the gene known as 5-HTTLPR plays a key role in determining how the neurotransmitter (神经传递素) serotonin works within the brain.Serotonin,a hormone (荷尔蒙),passes chemical messages between nerve cells.It has been closely linked to mood.Several anti-depressant (抗抑郁) drugs regulate serotonin levels.
Scientists had also identified three variants (变体) of the gene.Two so-called"short"variants were linked to a higher risk of depression and suicide (自杀) attempts.Unlike the two"short"variants,the"long"variant of 5-HTTLPR showed a clear dislike of negative images,such as fierce animals,and a clear liking for positive ones,such as flowers.
Researchers from the University of Essex in Britain showed participants a series of images,which were divided into three kinds:negative ones aimed at inspiring fear or stress such as a snake or person about to commit suicide,pleasant ones and neutral (中性的) ones.
The participants who had the long variant of the 5-HTTLPR gene"showed a clear dislike of negative material alongside a careful attention for positive material,"the researchers found.They paid close attention to the pretty pictures,and ignored the frightening ones.On the other hand,the short variant groups had the opposite reaction.
In January,the Australian government organized"happiness workshops",teaching government staff how to be happy.The department that held the"happiness workshops"said unhappy staff weren't productive staff.
Australian political opposition parties have argued that the"happiness workshops"are probably a waste of money and couldn't increase productivity as intended.However,whether the workshop will have a happy or disappointing result,we will have to wait and see.
71.Various kinds of images were shown to the participants toC.
A.draw their attention
B.cater to their different tastes
C.find out about their reactions
D.teach them to improve their artistic appreciation
72.The"short"variants of 5-HTTLPR differ from the"long"variants of 5-HTTLPR in thatB.
A.the former is connected with positive mood while the latter negative
B.the former is connected with negative mood while the latter positive
C.the former has a greater effect on one's mood than the latter
D.the latter has a greater effect on one's mood than the former
73.Which of the following statements is true about"happiness workshops"?D
A.Most people believe that they are a waste of money.
B.They will be beneficial in the long run.
C.The purpose of"happiness workshops"is to teach all Australians to be happy.
D.They are organized in the belief that happy staff can work more efficiently.
74.It can be learned from the article thatA.
A.drugs can be used to control people's serotonin levels
B.happiness is more important than sadness
C.nothing can affect our mood
D.people with the short variant of 5-HTTLPR prefer a flower to a snake
75.The article is mainly aboutB.
A.the reason for the foundation of"happiness workshops"
B.the link between people's mood and their gene
C.the study on people's likes and dislikes
D.the differences in people's attitude towards life.
分析 本文是一篇说明文,主要展现一种关于人们对于幸福的看法,他们认为影响幸福和快乐的因素,一个的天生原因,一种是来自身体中的基因等科学问题.
解答 71-75 CBDAB
71.C 细节题 根据文章第四五段的内容可知,向与会人员展示的主要目的是为获取他们的不同反应,以此来证实科学实验的结果,故选C
72.B 细节理解题 根据The participants who had the long variant of the 5-HTTLPR gene"showed a clear dislike of negative material alongside a careful attention for positive material,"the researchers found.可知,有长5-HTT LPR基因的参与者表明对消极材料不喜欢而对积极材料特别关注,故答案为B
73.D 推理判断题 根据In January,the Australian government organized"happiness workshops",teaching government staff how to be happy.The department that held the"happiness workshops"said unhappy staff weren't productive staff.可知,幸福工作坊是由国家公开举办的,并且认为不快乐的员工是没有成效的员工,故选D
74.A 细节理解题 根据It has been closely linked to mood.Several anti-depressant (抗抑郁) drugs regulate serotonin levels.可知,血清素可以调节几种抗抑郁药物调节血清素水平,故答案为A
75.B 主旨大意题 根据文章内容可以判断出本文的主要内容是讲述关于人类基因和情绪的研究,故选B
点评 做阅读时经常犯错的主要原因是,仅凭读过文章后残留在脑海中的一丝印象来勾选答案,这样便很容易掉入出题人故意设布下的题目陷阱.所谓阅读理解,对于题目的理解一定要忠实于原文,因此,每一道题都应该与原文作全面的对比与核查,再得出答案.也就是说,阅读理解的每一道题目,在原文都应该有明确的出处,我们把这一出处叫做原文相关句,(1)排除与原文相关句主题不一致的选项(2)排除与原文相关句态度相反的选项 (3)排除用于过于极端或负面的选项(4)注意结合文章主旨和主题去排除.
A. | to be made | B. | to make | C. | being made | D. | making |