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

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

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问题 Directions: 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.
Write your answer choices in the spaces where they belong. You can either write the letter of your answer choice or you can copy the sentence.
William Smith’s contributions to geology have increased our knowledge of the Earth’s history.
                        Answer Choices
[A]Smith found success easily in his profession because he came from a family of geologists and surveyors.
[B]Smith’s work on canals allowed him to collect fossils and study rock layers all over England.
[C]Smith found that fossils are much more reliable indicators of geological time than rock strata are.
[D]Smith was named "the father of English geology" for his maps rather than for his other contributions to the field.
[E]Smith and Cuvier discovered that fossil patterns are easier to observe in ancient rock strata than in younger rock strata.
[F]The discovery of the principle of faunal succession allowed geologists to establish the relative age of Earth’s rock layers.
选项
答案B, C, F
解析
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