2. 外语
  3. The primary of the purpose of the passage is to______ According to the passage, the earliest research on mangrove forest produc

The primary of the purpose of the passage is to______ According to the passage, the earliest research on mangrove forest produc

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问题 The primary of the purpose of the passage is to______
According to the passage, the earliest research on mangrove forest produced which of the following?
选项 A、Data that implied random patterns of mangrove species distribution
B、Descriptions of species distribtutions suggesting zonation
C、Descriptions of the development of mangrove forests over time
D、Reclassification of species formerly thought to be identical
E、Data that confirmed the “land-building” role of mangroves
答案B
解析 This question asks you to identify information provided in the passage about early research on mangrove forests. That research is discussed in the first paragraph. Choice B is the best answer. Early research on mangrove forests is characterized as having produced descriptions of species distribution from shore to land. Such a distribution is described in the first sentence of the passage as “zonal.” Choice A is not correct. Early research described mangrove distribution from shore to land. This implies a regular pattern of distribution, not a random one. Choices C and D are not correct because there is no indication in the passage that early studies of mangrove forests were concerned with the plants’ chronological development or with the reclassification of species. Choice E is incorrect because the passage does not say that the research in question did anything except describe species distribution.
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