[单词解析速记].JV446.(Incessant.and.Paltry)

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发表于:2018-12-04 / 阅读(43) / 评论(0)

单词解析速记

数学英语 22 What Are Sequences in Math?

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(97) / 评论(0)

数学英语

数学英语 18 What Are Geometric Sequences?

by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In

发表于:2019-01-02 / 阅读(105) / 评论(0)

数学英语

VOA标准英语2011--New Species Might be Human Ancestor

New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(63) / 评论(0)

VOA标准英语2011年(九月)

Ancestor of Humans

57 这种动物是人类的祖先吗？ DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59

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2007年VOA标准英语-US Invests Massively in Biofuel, but Benefits U

By Greg Flakus Houston 05 April 2007 The quest for a fuel that will both reduce air pollution and U.S. dependence on imported energy has led to massive investments in ethanol and other fuels produced from plants. Backers of programs to develop such e

发表于:2019-02-07 / 阅读(96) / 评论(0)

2007年VOA标准英语（四月）

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