GRE阅读分步练习二--答案

更新时间:2023-05-23 22:30:33 阅读: 评论:0

第一题
题目信息
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 abnce 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 States, 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 denly populated (resulting in lower chances of discovering sites) and with its overall greater aridity would have prented conditions less favorable for hunter-gatherer occupation. Proportionally, at least as much land area has been lost from the coastal regions of Australia becau of postglacial a-level ri 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 ems i
mplausible that a growing population of humans would have confined itlf to coasts for thousands of years. If inhabitants were prent 25,000 years ago, the chances of their appearing in the archaeological record would em to be greater than for Australia.
The passage is primarily concerned with doing which of the following?
Prenting an objection to a claim 
Accounting for an apparent anomaly
紫癜怎么治疗Outlining an alternative interpretation
Correcting a particular misconception
Questioning the validity of a comparison
本题的题型是:蔡健雅演唱会
主旨题 
如何查看电脑型号事实信息题/事实内容题
花朵的英文推断题
工资条例
句子作用题
信息目的题/作者意图题
本文的内容可以概括成
解释一个现象
解决一个问题
对新旧两个观点进行对比
点评一个观点 
说明一个事物
第二题
题目信息
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 abnce 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 States, 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 denly populated (resulting in lower chances of discovering sites) and with its overall greater aridity would have prented conditions less favorable for hunter-gatherer occupation. Proportionally, at least as much land area has been lost from the coastal regions of Australia becau of postglacial a-level ri 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 ems implausible that a growing population of humans would have confined itlf to coasts for thousands of years. If inhabitants were prent 25,000 years
ago, the chances of their appearing in the archaeological record would em to be greater than for Australia.
捐款英语The author of the passage implies which of the following about 25,000 years ago?
The coastline of the region that is now the United States is longer than it was 40,000 years ago.
Rivers in what is now the United States were numerous than they are now.
Australia was less denly populated at that time than was the region that is now the United States.
Australia`s climate was significantly drier than it is now.
Global a level was lower than it is now. 
本题的题型是:
暗度陈仓什么意思∙主旨题
事实信息题/事实内容题
简笔画男孩∙推断题 
句子作用题
信息目的题/作者意图题
本题在原文的定位句是:
Some archaeologists speculate that the Americas might have been initially colonized between 40,000 and 25,000 years ago.
Australia, which has a smaller land area than the United States, has many such sites, supporting the generally accepted claim that the continent was colonized by humans at least 40,000 years ago.
Proportionally, at least as much land area has been lost from the coastal regions of Australia becau of postglacial a-level ri as in the United States, so any co
astal 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 ems implausible that a growing population of humans would have confined itlf to coasts for thousands of years.
If inhabitants were prent 25,000 years ago, the chances of their appearing in the archaeological record would em to be greater than for Australia.
第三题
题目信息
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 abnce 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 States, h
as many such sites, supporting the generally accepted claim that the continent was colonized by humans at least 40,000 years ago. Australia is less denly populated (resulting in lower chances of discovering sites) and with its overall greater aridity would have prented conditions less favorable for hunter-gatherer occupation. Proportionally, at least as much land area has been lost from the coastal regions of Australia becau of postglacial a-level ri 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 ems implausible that a growing population of humans would have confined itlf to coasts for thousands of years. If inhabitants were prent 25,000 years ago, the chances of their appearing in the archaeological record would em to be greater than for Australia.
The author of the passage implies that, in what is now the United States, archaeological evidence of inhabitation in the period from 40,000 to 25,000 years ago is lacking becau that region is
had its oldest habitation sites inundated following a postglacial ri in a level
has many resource-rich rivers that facilitated the dispersal of early inhabitants from an initial concentration in coastal areas
was sparly populated until about 25,000 years ago
was colonized less than 25,000 years ago 
was inhabited only by hunter-gatherers until 25,000 years ago
本题的题型是:
主旨题
事实信息题/事实内容题
推断题 
句子作用题
信息目的题/作者意图题
本题在原文的定位句是:
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 abnce of generally accepted habitation sites for that time interval in what is now the United States.

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