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标题: 高手看一下啊 [打印本页]

作者: dkswoah 时间: 2014-7-18 08:39
标题: 高手看一下啊

That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia's coal industry. Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

Which of the following can be properly concluded from the statement about coal output per miner in the passage?

AIf the number of miners working in Tribnian coal mines has remained constant in the past five years, Tribnia's total coal production has doubled in that period of time. 这题目选A in the past 5 years 和原文的 it was five years ago是一个意思么怎么读起来总有种 in the past 5 years 是一个范围就是在过去的5年里 five years ago是 5年前的一个时间点呢？
文章说产量提高是因为科技上去了每个矿工煤的生产量要是 5年前的2倍多即使没有新矿建立
A选项说如果矿工数量不变在过去的5年里 T城市的总煤产量是该阶段的2 倍
刚做这个题就感觉原文定位到现在的平均产量和5年前的平均产量而A选项说的是过去5年每年的人数好像有点不对等的感觉。。就没选结果错了。。。

我想问问是不是我理解错了这两个时间状语的意思了呢还是理解错句意了

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