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2017年8月19日雅思阅读考试回忆及解析

2017-08-21 11:26:06 来源:网络雅思资料下载

  为了方便大家的学习,新东方在线雅思网第一时间为大家准备了有关2017年8月19日雅思阅读考试回忆及解析的内容,供大家参考!新东方在线雅思网将第一时间为大家发布最新、最全、最专业的雅思报名官网消息和雅思考试机经及解析,供大家参考。

  >>>更多请点击:2017年8月19日雅思考后网友回忆及答案解析

  一、 考试概述:

  本次考试的文章三篇均为旧题,三篇主题分别是关于水獭、过山车和音乐的,文章难度都不大。不过本次考试题型考查很全面,难度较大的配对题及主旨大意题居多,以往考查较多的判断题这次出题量却很少。这就需要大家备考时注重每种题型的练习,以应对考场上可能出现的各种情况。

  二、具体题目分析

  Passage 1:

  题目:Otters

  题型:段落细节配对 6 +简答题 4

  新旧程度:旧题

  文章大意:介绍水獭

  参考文章:

  Otters

  A)Otters are semiaquatic (or in the case of the sea otter, aquatic) mammals. They are members of the Mustelid family which includes badgers, polecats, martens, weasels, stoats and minks, and have inhabited the earth for the last 30 million years and over the years have undergone subtle changes to the carnivore bodies to exploit the rich aquatic environment. Otters have long thin body and short legs-ideal for pushing dense undergrowth or hunting in tunnels. An adult male may be up to 4 feet long and 30 pounds. Females are smaller, around 16 pounds typically. The Eurasian otter nose is about the smallest among the otter species and has a characteristic shape described as a shallow "W". An otter's tail (or rudder, or stern) is stout at the base and tapers towards the tip where it flattens. This forms part of the propulsion unit when swimming fast under water. Otter fur consists of two types of hair: stout guard hairs which form a waterproof outer covering, and under fur which is dense and fine,equivalent to an otter's thermal underwear. The fur must he kept in good condition by grooming. Sea water reduces the waterproofing and insulating qualities of otter fur when salt water gets in the fur. This is why freshwater pools are important to otters living on the coast. After swimming, they wash the salts off in the pools and then squirm on the ground to rub dry against vegetation.

  B) Scent is used for hunting on land, for communication and for detecting danger. Otterine sense of smell is likely to similar in sensitivity to dogs. Otters have small eyes and arc probably short-sighted on land. Bui they do have the ability to modify the shape of the lens in the eye to make it more spherical, and hence overcome the refraction of water. In clear water and good light, otters can hunt fish by sight. The otter's eyes and nostrils are placed high on its head so that it can see and breathe oven when the rest of die body is submerged. The long whiskers growing around the muzzle are used to detect the presence of fish. They detect regular vibrations cruised by the beat of the fish's tail as it swims away. This allows otters to hunt even in very murky water. Underwater, the otter holds its legs against the body, except for steering, and the hind end of the body is flexed in a series of vertical undulations. River otters have webbing which extends for much of the length of each digit, though not lo the very end. Giant otters and sea otters have even more prominent webs, while the Asian short-clawed otter has no webbing-they hunt for shrimps in ditches and paddy fields so they need the swimming speed. Otter ears are protected by valves which close them against water pressure.

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