首页
登录
职称英语
[originaltext] We’ve been looking at fear from biological perspective. And s
[originaltext] We’ve been looking at fear from biological perspective. And s
游客
2023-08-16
45
管理
问题
We’ve been looking at fear from biological perspective. And someone asked whether the tendency to be fearful is genetic. While some study done with mice indicate that mammals do inherit fearfulness to some degree. In one study for instance, a group of mice were placed in the bright lit open boxes with no hiding places. Some of the mice wondered around the box and didn’ t appear to be bothered about being so exposed. But other mice didn’ t move. They stayed up against one wall, which indicate that they were afraid. Well, when fearful mice or you might say anxious mice like ones who stayed in one place. When mice like this were bred with one another repeatedly, after about 12 or so generations, then all of the offspring show similar signs of fearfulness. And even when the new born mouse from this generation was raised by a mother and with other mice who were not fearful, that mice still tend to be fearful as the result. Now, why is this? Well, it’s thought that the specific gene in animal body have influenced on the anxious behavior. These genes that are associated with particular nerve cell receptors in brain. And the degree of overall fearfulness in the mammal seem to depend in the large part on the presence or absence of these nerve cell receptors. And this appears to apply to humans as well by the way. But while the tendency towards anxiety and fear may well be an inherited trait, but the specific form that the fear takes has more to do individual environment. So a particular fear like the fear of snakes or the fear of spider, say, is not genetic. But the overall tendency to have fearful responses is. Now listen to the following recording and answer questions 16 to 18.
16. How did some of the mice in the study demonstrated that they were afraid?
17. According to the professor, what contribute to a mammal tendency to be fearful?
18. Why does the professor mention snakes and spiders?
选项
A、To show the relationship between fearfulness and environment.
B、To give examples of animals that they aren’ t fearful.
C、To compare fear in mammals to fear in other animals.
D、To identify the nerves that control fear in certain animals.
答案
A
解析
细节题。根据but the specific form that the fear takes has more to do individual environment.So a particular fear like the fear of snakes or the fear of spider可知教授提到专家和蜘蛛是为了说明害怕和环境之间的关系。因此,正确答案为A。
转载请注明原文地址:http://tihaiku.com/zcyy/2931024.html
相关试题推荐
[originaltext]Inorderforachemicaltobeconsideredadrug,itmusthave
[originaltext]AmericanvisitorstoEastAsiaareoftensurprisedandpuzzle
[originaltext]AmericanvisitorstoEastAsiaareoftensurprisedandpuzzle
[originaltext]BothJohnandSuejoinedthestaffofasuccessfulpublicrel
[originaltext]BothJohnandSuejoinedthestaffofasuccessfulpublicrel
[originaltext]M:Ididn’tseeyouincreativewritingclasstoday.Whathappene
[originaltext]M:HiJane,pleasecomeinandtakeaseat.W:Well,youwouldli
[originaltext]M:HiJane,pleasecomeinandtakeaseat.W:Well,youwouldli
[originaltext]M:HiJane,pleasecomeinandtakeaseat.W:Well,youwouldli
[originaltext]M:I’mlookingforanunfurnishedtwo-bedroomapartment.Butall
随机试题
[audioFiles]audio_ezfz_0001(20096)[/audioFiles]AmongtheIndiansofNorth
"Youngpeopleoughtnottobeidle.Itisverybadforthem,"saidMargaret
[originaltext]M:Excuseme.AreyouMs.LifromABCCompany?Iamheretopick
有效氧化钙测定中,酚酞指示剂加入试样溶液中,溶液呈()色。A.黄 B.橙黄
患者因心悸住院,下列护理措施中不妥的是A.心电监护 B.给予患者清淡易消化饮食
在证券公司、证券投资咨询机构发布的证券研究报告中,应当载明的事项包括()。
根据《中华人民共和国治安管理处罚条例》,下列说法不正确的是:A.对违反治安管理行
点型火灾探测器是火灾报警系统中使用最广泛的一种探测器,下列关于点型火灾探测器设置
背景资料 潮汐河口疏浚工程,落潮流强于涨潮流,采用耙吸式挖泥船(舱容10000
关于横道图特点的描述,不正确的是()。A.施工进度计划编制方法直观清晰 B.
最新回复
(
0
)