2. 外语
  3. An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answe

An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answe

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问题 An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage. Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage. This question is worth 2 points.
    This passage discusses the reasons and effects of human migration.
Answer Choices
A. Genetic studies play a very important role in helping modern humans find out where they have come from.
B. Migration helped create humans, conquer the planet and shape our societies.
C. Human beings could adapt to different conditions with their tools and language.
D. Migration is big, dangerous, and compelling.
E. Migration is the dynamic undertow of population change.
F. Human beings’ great events are connected with migration.
选项
答案B. Migration helped create humans, conquer the planet and shape our societies. C. Human beings could adapt to different conditions with their tools and language. E. Migration is the dynamic undertow of population change.
解析 本题为篇章总结题，考查考生理解全篇中心思想和相关重要信息的能力，考生通过区分主要观点和次要观点以及文章中没有提及的观点以达到总结全篇的目的。本文主要论述的是人类迁居的原因(选项C、E)和影响(选项B)。选项A、D、F文章中提到了，但它们都不是重要细节，起不到综合概括文章中心思想的作用。
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