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新托福阅读词汇150题(69)：significant&relatively

2015-08-13 10:50:14来源：网络

　　【新托福阅读词汇150题(69)：significant&relatively】新托福TPO阅读中，词汇题是重要托福阅读题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧。本文中新东方在线托福网汇总了新托福阅读词汇150题：significant&relatively。

　　Paragraph 1: The geologic timescale is marked by significant geologic and biological events, including the origin of Earth about 4.6 billion years ago, the origin of life about 3.5 billion years ago, the origin of eukaryotic life-forms (living things that have cells with true nuclei) about 1.5 billion years ago, and the origin of animals about 0.6 billion years ago. The last event marks the beginning of the Cambrian period. Animals originated relatively late in the history of Earth—in only the last 10 percent of Earth’s history. During a geologically brief 100-million-year period, all modern animal groups (along with other animals that are now extinct) evolved. This rapid origin and diversification of animals is often referred to as “the Cambrian explosion.” 【TPO5- The Cambrian Explosion】

　　1. The word “significant” in the passage is closest in meaning to

　　○ numerous

　　○ important

　　○ unexplained

　　○ sudden

　　2. The word “relatively” in the passage is closest in meaning to

　　○ surprisingly

　　○ collectively

　　○ comparatively

　　○ characteristically

　　3. The word “diversification” in the passage is closest in meaning to

　　○ emergence of many varieties

　　○ steady decline in number

　　○ gradual increase in body size

　　○ sudden disappearance

　　答案见下一页：

本文关键字: 新托福阅读 托福阅读词汇 托福词汇

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