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2014年托福阅读趋势是什么

2014-04-15 19:25:43来源：新东方在线编辑整理

s, and dolphins-are mammals. They breathe through lungs, not through gills, and give birth to live young. Their streamlined bodies, the absence of hind legs, and the presence of a fluke3 and blowhole4 cannot disguise their affinities with land-dwelling mammals. However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like. Extinct but, already fully marine cetaceans are known from the fossil record. How was the gap between a walking mammal and a swimming whale bridged? Missing until recently were fossils clearly intermediate, or transitional, between land mammals and cetaceans.

　　Which of the following can be inferred from paragraph 1 about early sea otters?

　　○ It is not difficult to imagine what they looked like

　　○ There were great numbers of them.

　　○ They lived in the sea only.

　　○ They did not leave many fossil remains.

首先我们来对题目的出题范围进行定位，题干的blowhole 可以作为定位词汇，定位到原文的第四句话：“However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like.” 在

本文关键字: 2014年托福阅读趋势 托福阅读趋势

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