(浙江专版)2020版高考英语一轮复习Unit3Underthesea讲义新人教版选修7.doc
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1、1Unit 3 Under the sea一、单词表词汇全查验运用多媒体,提问默写词汇.阅读词汇(英译汉)第一屏听写1anecdote n 轶事;奇闻2migration n. 迁徙;迁居;移居3shore n. 岸;海滨4offshore adv. at the same time, lets have a chat.The conference will begin in an hour; in_the_meantime,_lets have a chat.3As Bob abandoned himself to smoking, he suffered from lung cancer.
2、Abandoning_himself_to_smoking,_Bob suffered from lung cancer.高考拆组训练阅读理解组块专练练速度(限时:30 分钟).阅读理解AThe amount of fish caught worldwide is much larger than has been reported. And that could mean serious problems for the environment and nations that depend on fisheries (渔业 ). A new estimate shows that it i
3、s 32 million tons higher than countries have been reporting yearly.The same report notes that the worlds fish catch has been declining since the late 1990s. Countries report their industrial catches to the United Nations Food and Agriculture Organization. But they do not report other kinds of fishin
4、g. This includes the catches of small commercial fisheries, which are called artisanal fisheries, and fishing for recreation and individual food.Daniel Pauly at the University of British Columbia in Canada led the study. He noted that a huge amount of some catches is thrown away. “For example, shrim
5、p trawlers (拖网渔船) keep only the shrimp and the fish that they catch often eight to ten times as much as the shrimp gets thrown away.”15Pauly told VOA that better estimates of the actual global catch will help ensure there will be enough fish in the future. “But our figures suggest that since 1996 a
6、rapid decrease is happening. And if you project this forward you end up in a few decades having much less catch, literally no catch. So that is potentially dangerous.”Researchers also found ways the worlds fisheries are changing. They found that fishing fleets of larger nations are catching fish in
7、the waters of developing countries more and more.Pauly said he was surprised by the amount of fishing done by foreign fleets in competition with local fishers. “In West Africa, the figure that was most astonishing is the enormous role of foreign fishing of European and Asian vessels fishing legally
8、or illegally and competing against local fishermen. On the other hand for the US, Australia and some developing countries, such as the Bahamas, what was apparent is the enormous contribution of recreational fisheries, which also never get reported to the FAO.”Researchers say inaccurate data also har
9、ms the development and supervision (监管) of effective policy and management measures.语篇解读:世界范围内捕鱼的数量比报告中的数量要多很多,而这些虚假报告对经济和环境都造成了不好的影响。1Whats the main idea of the passage?AFalse amount of fish caught worldwide harms economy environment.BThe worlds fish catch has been declining.CThe global fishing com
10、petition is serious.DThe management of global fishing needs improving.解析:选 A 主旨大意题。根据文章第一段第一、二句“The amount of fish caught worldwide is much larger than has been reported. And that could mean serious problems for the environment and nations that depend on fisheries(渔业) ”可知,本文主要阐述了关于捕鱼数量的虚假报告对环境造成了不好的
11、影响。故选 A 项。2What does the underlined word “it” (in Para.1) refer to?AThe amount of foreign fishing.BThe amount of local fishing.CThe amount of recreational fishing.DThe amount of all fish caught worldwide.解析:选 D 代词指代题。it 为代词,指代前文,又根据 32 million 这个数字可推断16出 it 指代第一句中的“The amount of fish caught worldwid
12、e” ,由此可知选 D 项。3Which kind of fishing has been reported to the FAO?AIndustrial fish catches.BCommercial fishing.CFishing for entertainment.DFishing for individual food.解析:选 A 细节理解题。根据第二段二、三句“Countries report their industrial catches to the United Nations Food and Agriculture Organization. But they do
13、 not report other kinds of fishing.”可知,各国向联合国粮食及农业组织报告了他们的工业捕鱼量,但没有报告其他形式的捕鱼数量。故选 A 项。BSince English biologist Charles Darwin published OntheOriginofSpecies in 1859, scientists have vastly improved their knowledge of natural history.However, a lot of information is still the subject of speculation,
14、and scientists can still only make educated guesses at certain things.One subject that they guess at is why some 400 million years ago, animals in the sea developed limbs that allowed them to move onto and live on land.Recently, an idea that occurred to the US paleontologist (古生物学家) Alfred Romer a c
15、entury ago became a hot topic once again.Romer thought that tide pools might have led to fish gaining limbs.Sea animals would have been forced into these pools by strong tides.Then, they would have been made either to adapt to their new environment close to land or die.The fittest among them grew to
16、 accomplish the transition from sea to land.Romer called these earliest fourfooted animals “tetrapods”Science has always thought that this was a credible theory, but only recently has there been strong enough evidence to support it.Hannah Byrne is an oceanographer (海洋学家) at Uppsala University in Swe
17、den.She announced at the 2018 Ocean Sciences Meeting in Oregon, US, that by using computer software, her team had managed to link Romers theory to places where fossil deposits of the earliest tetrapods (四足动物) were found.According to the magazine Science, in 2014, Steven Balbus, a scientist at the Un
18、iversity of Oxford in the UK, calculated that 400 million years ago, when the move from land to sea was achieved, tides were stronger than they are today.This is because the planet was 10 percent closer to the moon than it is 17now.The creatures stranded in the pools would have been under the pressu
19、re of “survival of the fittest”, explained Mattias Green, an ocean scientist at the UKs Bangor University.As he told Science, “After a few days in these pools, you become food or you run out of food .The fish that had large limbs had an advantage because they could flip (快速翻转) themselves back in the
20、 water.”语篇解读:本文是一篇说明文。文章就“大约 4 亿年前,为什么海里的动物长出了可以使它们迁移到并生活在陆地上的四肢?”这一问题列出了不同的科学家提供的不同证据。4Who first proposed the theory that fish might have gained limbs because of tidal pools?AAlfred Romer. BCharles Darwin.CHannah Byrne. DSteven Balbus.解析:选 A 细节理解题。根据文章第三段及第四段第一句可知,最先提出潮水潭导致鱼类长出四肢这一观点的是美国的古生物学家 Alfr
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