首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In the shallow end of Lake Tomwa, there are remains of numerous Jeffery pine trees that grew there during a lengthy drought. Res
In the shallow end of Lake Tomwa, there are remains of numerous Jeffery pine trees that grew there during a lengthy drought. Res
admin
2022-09-28
24
问题
In the shallow end of Lake Tomwa, there are remains of numerous Jeffery pine trees that grew there during a lengthy drought. Researchers had believed that this drought lasted at least 150 years, but carbon dating reveals that pines were growing in the lake bed for only 120 years, from 1200 until 1320. Since the Jeffrey pines, which cannot survive in water, must have died at the end of the drought, the dating shows that the drought lasted less than 150 years.
The argument given relies on which of the following assumption?
选项
A、No other species of tree started growing in the bed of Lake Tomwa after 1200.
B、No tree remains of any kind are present at the bottom of deeper parts of Lake Tomwa.
C、There was at least one tree in the lake bed that was alive for the entire period from 1200 to 1320.
D、There has not been a more recent drought that caused a drying up of the shallow end of the lake.
E、The shallow end of the lake had been dry for less than 30 years by the time Jeffrey pines started growing in the lake bed.
答案
E
解析
选项取反。在杰弗瑞松树出现之前,湖水干旱的时间已经超过30年了→再加上之后松树的120年→湖水干旱时间超过150年,而原文的结论是不到150年,因此该选项取反之后推翻原文,E正确。A项文章只讨论杰弗瑞松树能否用来证明干旱时间,而且发现的残留物也只有杰弗瑞松树,和其他树木物种没关系。B项讨论其他种类的树,无关。C项这些杰弗瑞松树生长在1200年至1320年的120年间是文中已提及的事实,属于重复原文,不选。D项文章只讨论杰弗瑞松树存在时期的那段干旱,至于有没有近期的干旱和文章无关,不选。
转载请注明原文地址:https://kaotiyun.com/show/jTVO777K
本试题收录于:
GRE VERBAL题库GRE分类
0
GRE VERBAL
GRE
相关试题推荐
Priorto1975,unioneffortstoorganizepublic-sectorclericalworkers,mostofwhomarewomen,weresomewhatlimited.Thefact
Inanattempttoimprovetheoverallperformanceofclericalworkers,manycompanieshaveintroducedcomputerizedperformancemo
Inanattempttoimprovetheoverallperformanceofclericalworkers,manycompanieshaveintroducedcomputerizedperformancemo
Housesbuiltduringthelasttenyearshavebeenfoundtocontainindoorairpollutionatlevelsthatare,onaverage,muchhigh
Thenumberofhospitalemergencyroomvisitsbyheroinusersgrewbymorethan25percentduringthe1980s.Clearly,then,theu
Thepopulationofperegrinefalconsdeclinedrapidlyduringthe1950’sand1960’sandreachedanall-timelowintheearly1970’
Aten-yearcomparisonbetweentheUnitedStatesandtheSovietUnionintermsofcropyieldsperacrerevealedthatwhenonlypl
Dostrongelectriccurrents,bymeansoftheelectromagneticfieldsthataccompanythem,causecancerinpeoplewholiveandwor
InarecentyearCaliforniaproducedanorangecropequaltoonlyseventy-sixpercentofFlorida’sorangecrop.However,whenci
Manymicroorganismssurvivesuchenvironmentalstressesasheat,coldanddesiccationnotbyrapidratesofmitosis,butby
随机试题
色谱法实质上是利用了()具有不同的分配系数。
阅读《致杜鹃》下列节选片段,参考两个提示,写一篇不少于500字的短文。提示:(1)诗中描写的杜鹃的歌声有什么特点?(2)诗人为什么说杜鹃是“一种爱,一种希望”?要求:围绕所给材料和提示进行综合分析,不能分别回答问题。
简述贾谊骚体赋作的艺术特色。
A.K+B.Na+C.Ca2+D.Cl-与神经纤维动作电位复极相有关的离子主要是
作尿糖试验的尿标本采集时间是
甲某用汽车非法倒卖香烟被工商行政管理机关连车带货扣押。第二天晚上,甲带上尖刀、钳子、潜入工商所,实施盗窃,试图将自己的汽车盗回。当甲正在用犯罪工具撬车门时,被值班人员发现。当值班人员来抓他时,甲用刀刺伤了一名值班人员。甲的盗车行为侵犯的客体有:()
西蒙认为决策阶段可以分为()。
设立外国银行代表处,应当提交的申请资料包括()。
犯罪嫌疑人一旦被捕,其所聘请的律师就不能再为其申请取保候审。()
A、 B、 C、 B所给出的问题是询问谁(who)将带领新员工参观。选项(B)用具体的人名回答“Stetson”是符合语境的正确回答。注意问句中的show(v.出示,把……给人看)和选项(A)中的show(n.上演)含义
最新回复
(
0
)