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求高手解答!TPO19阅读 Discovering the ice ages中的一道题! [复制链接]

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发表于 2011-6-25 12:45:48 |只看该作者 |倒序浏览
1. AParagraph 1: In the middle of the nineteenth century, Louis Agassiz, one of the first scientists to study glaciers, immigrated to the United States from Switzerland and became a professor at Harvard University, where he continued his studies in geology and other sciences. For his research, Agassiz visited many places in the northern parts of Europe and North America, from the mountains of Scandinavia and New England to the rolling hills of the American Midwest. In all these diverse regions, Agassiz saw signs of glacial erosion and sedimentation. In flat plains country, he saw moraines (accumulations of earth and loose rock that form at the edges of glaciers) that reminded him of the terminal moraines found at the end of valley glaciers in the Alps. The heterogeneous material of the drift (sand, clay, and rocks deposited there) convinced him of its glacial origin.
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问题:According to paragraph 1, what persuaded Louis Agassiz that glaciation in the past had been widespread?
O Geologic differences between mountain valleys and flat plains
O The presence of similar glacial material in many different regions
O Geologic research on mountain glaciers in the Alps
O Evidence of regional differences in the drift caused by glacial erosion

不理解为什么选B!麻烦高手解释一下similar在原文里怎么体现出来的?我的理解是它正好说反了,原文写的是heterogeneous。。。很疑惑,感谢解答!!!






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沙发
发表于 2011-6-25 17:10:13 |只看该作者
这道题你搞不懂的原因大概是:没搞懂原文逻辑;不清楚heterogeneous的意思(参见http://dict.cn/heterogeneous
题目问的是:为什么此人觉得glaciation的现象到处都是
答案应是:因为此人在不同的地方发现了类似的证据——平原地区的moraines让它想起了高原地区的moraines,因为这些morains具有相似性。什么相似性呢?就是下文提到的“The heterogeneous material of the drift (sand, clay, and rocks deposited there) convinced him of its glacial origin.”这句话是在进一步讲morains的成分——sand、clay、rock(heterogeneous意指这个morains是包含多种成分的,即“异质”,而不是只有sand或只有clay或只有rock)
也就是说,平原、高原这两个地方的morains/drift都含有类似的成分(而且这个成分是异质的),所以推断它们都有glaciation的现象

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板凳
发表于 2011-6-25 17:20:56 |只看该作者
2# jacqueline27 太谢谢你了啊!!高人啊!!解释的很详细,我明白了!小弟拜谢!

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地板
发表于 2011-7-6 05:43:17 |只看该作者
In all these diverse regions, Agassiz saw signs of glacial erosion and sedimentation.
In flat plains country, he(Agassiz) saw moraines (accumulations of earth and loose rock that form at the edges of glaciers) that reminded him of the terminal moraines found at the end of valley glaciers in the Alps. The heterogeneous material of the drift (sand, clay, and rocks deposited there) convinced him of its glacial origin.
B. The presence of similar glacial material in many different regions.
我觉得做阅读就是做同义替换(单词的同义词、短语的相似用法、句子的同义替换、段落的转换)

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RE: 求高手解答!TPO19阅读 Discovering the ice ages中的一道题! [修改]

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求高手解答!TPO19阅读 Discovering the ice ages中的一道题!
https://bbs.gter.net/thread-1278820-1-1.html
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