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
Which of the following most logically completes the argument below? Within the earth’s core, which is iron, pressure increases w
Which of the following most logically completes the argument below? Within the earth’s core, which is iron, pressure increases w
admin
2019-11-17
131
问题
Which of the following most logically completes the argument below?
Within the earth’s core, which is iron, pressure increases with depth. Because the temperature at which iron melts increases with pressure, the inner core is solid and the outer core is molten. Physicists can determine the melting temperature of iron at any given pressure and the pressure for any given depth in the earth. Therefore, the actual temperature at the boundary of the earth’s outer and inner cores—the melting temperature of iron there—can be determined, since__________.
选项
A、the depth beneath the earth’s surface of the boundary between the outer and inner cores is known
B、some of the heat from the earth’s core flows to the surface of the earth
C、pressures within the earth’s outer core are much greater than pressures above the outer core
D、nowhere in the earth’s core can the temperature be measured directly
E、the temperatures within the earth’s inner core are higher than in the outer core
答案
A
解析
Argument Construction
Situation Pressure within the earth’s iron core increases with depth. Because the melting temperature of iron increases with pressure, the inner core is solid and the outer core molten. Physicists can determine iron’s melting temperature at any pressure and the pressure it is under at any depth.
Reasoning What further premise, combined with the information provided, would support the conclusion that physicists can determine the temperature at the boundary between the outer and inner cores? Since physicists can determine iron’s melting temperature at any pressure and the pressure it is under at any depth, they must be able to determine its melting temperature at any depth. The temperature at the boundary between the inner and outer cores must exactly equal the melting temperature there, since that is the boundary between the molten and solid parts of the core. To determine the temperature at the boundary, therefore, it would suffice to know the depth of the boundary.
A Correct. If physicists know the depth of the boundary between the inner and outer cores, they can determine the temperature at the boundary.
B The fact that some heat flows from the core to the surface is too vague to help in determining exact temperatures anywhere.
C The difference in pressures between the outer core and the region above it is only vaguely described here and is not clearly relevant to the temperature at the boundary between the outer core and the inner core below it.
D An absence of information would not be helpful in determining the temperature at the boundary between the outer and inner cores.
E This information is not sufficiently specific to show that the temperature at the boundary between the outer and inner cores can be determined.
The correct answer is A.
转载请注明原文地址:https://kaotiyun.com/show/imkO777K
本试题收录于:
GMAT VERBAL题库GMAT分类
0
GMAT VERBAL
GMAT
相关试题推荐
Thechildrenwillhaveto_________theirplay-timehourswhenschoolopens.
Atfirsttheinstituterefusedtopurchasethetelescope,butthisdecisionwas_________revised.
Sheshouldstopwork;shehasaheadachebecauseshe________toolong.
Woman:DoyougetthePublicBroadcastingSystemonTV?Man:Yes,everybodygetsPBS.【D5】______Woman:It’sboringandoftenput
Don’t______thecamera______unlessyouaresureyoucanputittogether.
【T1】Whiletherearealmostasmanydefinitionsofhistoryastherearehistorians,modernpracticemostcloselyconformstoone
KidsoftenaskScoutBassett,ofPalmDesert,California,ifshewishesshehadtwonormallegs.Scout,18,answers,"No.Ihave
Textbookpricesaretraditionallyhigh."Combinedwiththerisingcostoftuition,thepriceofbooksforourstudentsisjust
Lastyear______ofnewbookswerepublishedonenvironmentalprotection.
Inmakingmarketinvestigation,oneshould______.Theword"indispensable"inthefirstlinemeans______.
随机试题
在气相色谱分析中,把()称为载气。
下列对鼻咽癌放疗CTV1应包括范围的描述中,恰当的为
某公司股票的β系数为1.5,社会无风险投资(现行国库券)的收益率为6%,社会平均投资收益率为15%,则该公司股票的预期收益率为()。
某必须招标的建设项目,共有三家单位投标,其中一家未按招标文件要求提交投标保证金,则关于对投标的处理是否重新发包,下列说法中,正确的是()。
背景材料:某隧道二次衬砌为厚度40cm的C25模筑混凝土。采用先拱后墙法施工时,拱架支撑变形下沉,承包人施工中存在泵送混凝土水胶比偏大;局部欠挖超过限值未凿除;模板移动部分钢筋保护层厚度不足等因素,造成其中一段衬砌完工后顶部、侧墙均出现环向裂缝,
浇筑箱梁混凝土时,对箱梁腹板与底板及顶板连接处的承托部位,不适合采用的振捣设备()。
债权人会议通过和解协议的决议应当由()。
某企业为延长甲设备的使用寿命,2019年6月对该设备进行更新改造并于当月完工。改造时发生相关支出共计20万元,估计能使甲设备延长使用寿命2年。根据2019年6月末的账面记录,甲设备的账面原价为120万元,已提折旧为57万元,未计提减值准备。若确定甲设备更新
下列叙述中,正确的一条是______。
在考生文件夹下创建工作簿文件EX7.XLS,按要求在EX7.XLS中完成以下操作:1.在sheet1工作表小建立如下内容工作表,并用函数求出每人的平均成绩,结果保留1位小数,表格行高20,列宽10,数值数据水下右对齐,文字数据水平居中,所有数据垂
最新回复
(
0
)