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
Some archaeologists speculate that the Americas might have been initially colonized between 40,000 and 25,000 years ago. However
Some archaeologists speculate that the Americas might have been initially colonized between 40,000 and 25,000 years ago. However
admin
2018-07-04
50
问题
Some archaeologists speculate that the Americas might have been initially colonized between 40,000 and 25,000 years ago. However, to support this theory it is necessary to explain the absence of generally accepted habitation sites for that time interval in what is now the United States. Australia, which has a smaller land area than the United State, has many such sites, supporting the generally accepted claim that the continent was colonized by humans at least 40,000 years ago. Australia is less densely populated (resulting in lower chances of discovering sites) and with its overall greater aridity would have presented conditions less favorable for hunter-gatherer occupation. Proportionally, at least as much land area has been lost from the coastal regions of Australia because of postglacial sea-level rise as in the United States, so any coastal archaeological record in Australia should have been depleted about as much as a coastal record in the United States. Since there are so many resource-rich rivers leading inland from the United States coastlines, it seems implausible that a growing population of humans would have confined itself to coasts for thousands of years. If inhabitants were present 25,000 years ago, the chances of their appearing in the archaeological record would seem to be greater than for Australia.
The author of the passage implies that which of the following about 25,000 years ago?
选项
A、The coastline of the region that is now the United States is longer than it was 40,000 years ago.
B、Rivers in what is now the United States were numerous than they are now.
C、Australia was less densely populated at that time than was the region that is now the United States.
D、Australia’s climate was significantly drier than it is now.
E、Global sea level was lower than it is now.
答案
E
解析
C选项容易误选。原文第四句中Australia is less densely populated的时态是现在时,因此关于人口密度,文章只告诉了我们澳大利亚今天的人口密度比美国的低,但由此看不出25,000年前的情况。另外,文中结论也告诉我们,25,000年前美洲没有人居住。正确选项是E,因为第五句告诉我们,海平面上升了,所以海平面在25,000年前比现在更低。
转载请注明原文地址:https://jikaoti.com/ti/6sWYFFFM
本试题收录于:
GRE VERBAL题库GRE分类
0
GRE VERBAL
GRE
相关试题推荐
Nowthatyou’vegottenalittlemoreconfident,we’regoingtogiveyoutheopportunitytopractice"withoutthetrainingwheels
Theannualstockholders’reportforCorporationXstatedthatprofitswereup10percentoverthepreviousyear,althoughprofits
Thepassagesuggeststhatcombingandcardingdifferfromweavinginthatcombingandcardingare______Theauthorofthepassa
Twomodesofargumentationhavebeenusedonbehalfofwomen’semancipationinWesternsocieties.Argumentsinwhatcouldbecal
Thegeesethatgatheratthepondofalargecorporationcreateahazardforexecutiveswhousethecorporatehelicopter,whose
Radioactiveradongasemanatingfromrocksuchasgraniteputsinhabitantsofhousesbuiltonsuchrockatgreaterriskoflung
Althoughcustomprostheticbonereplacementsproducedthroughanewcomputer-aideddesignprocesswillcostmorethantwiceasm
Generallyscientistsentertheirfieldwiththegoalofdoingimportantnewresearchandacceptastheircolleaguesthosewiths
In1980,forthefirsttime,thenumberofforeignerstouringtheUnitedStateswereinexcessofthenumberofAmericansgoing
RecentfeministscholarshipconcerningtheUnitedStatesinthe1920schallengesearlierinterpretationsthatassessedthe1920s
随机试题
简述《子夜》里吴荪甫的形象。
A.避孕套B.杀精子剂C.体外排精法D.精子酶抑制剂E.干扰睾丸内精子发生上述节育方法有效率最低的方法是
下列关于葡萄胎确诊后治疗措施的叙述,不正确的是()
施工现场临时用电工程的定期检查应复测()。
将一定质量的铁投入20mL浓硫酸中,加热充分反应后固体有剩余,并收集到气体4.48L(标况),质量为6.6g;则:(1)参加反应的铁的质量为多少克?(2)硫酸溶液的物质的量浓度为多少?
有人说:“哺乳动物都是胎生的。”以下哪项最能驳斥上述判断?
定义了三种模型来描述系统。(49)可以用状态图来表示;(50)可以用数据流图来表示。(51)为上述两种模型提供了基本的框架。
构成计算机信息系统的部件有很多。以下部件中,在传统的决策支持系统结构中,必不可少的三个部件是()。Ⅰ.数据库子系统Ⅱ.模型库子系统Ⅲ.知识库子系统Ⅳ.方法库子系统Ⅴ.对话子系统
A、67%ofAmericansfavorthedeathpenaltyincasesofmurder.B、ThereareaboutfivethousandexecutionsayearintheUS.C、Th
六十整岁望七十岁如攀高山。不料七十岁居然过了。又想八十岁是难于上青天,可望不可及了。岂知八十岁又过了。老汉今年八十二矣。这是照传统算法,务虚不务实。现在不是提倡尊重传统吗?老年多半能悟道。孔子说“天下有道”。老子说“道可道”。《圣经》说“太初有道
最新回复
(
0
)