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1、课时提能练(三十六) 选修8Unit 1A land of diversity课时作业A：基础层面.语境语法填空 AThe presidential 1.election (elect) will take place next month, which appeals to as many as five 2.applicants (apply) for candidates. It is generally accepted that the competition is 3.apparently (apparent) more fierce than usual. There are c
2、lear 4.distinctions (distinct) among their ruling ideas. The 5.majority (major) of the voters are in favor of the Democratic candidate. There is every 6.indication (indicate) that he has more 7.thoughtful (thought) ideas about improving peoples livelihood. Besides, he holds an attitude that any 8.ra
3、cial (race) discrimination should be forbidden.BDozens of people have died 9.from an unknown disease in Congo, an African country. Children are in 10.the majority. Hospitals have taken 11.in hundreds of suspected cases. Researchers from UN are teaming 12.up with local doctors to look into the causes
4、 13.by means of specific techniques. They are applying 14.for permission from the government to mark 15.out the places where the disease may break out and prohibit the people there to leave for other places. Evidence suggests that some bad habits and old practices the local residents have kept 16.up
5、 for decades do harm to the environment and that the disease is mostly likely linked to such things.CJack likes exploring the Amazon in Brazil, but he never takes chances; thats 17.why he has survived while most of his partners havent. He prefers 18.to make(make) careful plans in advance rather than
6、 risk his life to do things that are bound to fail. Last week, Jack began another trip to the Amazon. First he arrived in 19.what is known as Manaus, a city where 20.it is believed that some places of interest are well worth a visit. Province Palace is one of them. 21.Built (build) in 1874, this bui
7、lding used to serve as police headquarters. Today, it is home to several different organizations. Jack felt like 22.dropping (drop) in at this building before his boat tour to the Amazon.根据提示补全句子1他从不放弃学习英语，那就是他最后成功的原因。(why引导的表语从句)He never gave up learning English. That was why he was successful at l
8、ast.2科学家们最终到达了所谓的北极。(what引导的宾语从句)The scientists finally arrived in what was called the North Pole3与整个地球相比，最大的海洋似乎一点也不大。(过去分词作状语)Compared with the size of the whole earth, the biggest ocean does not seem big at all.4对我们学生而言参观长城有可能是一次难忘的经历。( likely )It is likely that a visit to the Great Wall for us s
9、tudents is an unforgettable experience.5人们认为澳大利亚的历史始于18世纪末。(it作形式主语的主语从句)It is believed that Australian history began at the end of the 18th century.课时作业B：能力层面.阅读理解A(2019济南市针对性训练)The Amazon basin region is home to about 2.5 million insect species，tens of thousands of plants，and some 2，000 birds and
10、mammals. To date，at least 40，000 plant species，3，000 fish，1，294 birds，427 mammals，428 amphibians，and 378 reptiles have been scientifically classified in the region. One in five of all the birds in the world live in the Amazon rainforest.The warm and wet forest has been in existence for at least 55 m
11、illion years，and thrived even during glacial periods，allowing for the evolution of an unbelievable diversity of species. Radiocarbon dating(放射性碳定年法)has revealed trees of 10 centimeter in diameter to be more than 300 years old，and some trees over 1，000 years old，indicating that untouched forests can
12、experience unbelievable longevity.The first human inhabitants are thought to have settled in the Amazon region about 11，200 years ago. European explorers arrived in the 16th century，bringing diseases which travelled faster than the explorers themselves，killing perhaps as many as 90% of the indigenou
13、s inhabitants(土著居民)By the late 17th century the Amazon basin was controlled by Portuguese and Spanish explorers.The Amazon rainforests has been described as the lungs of our planet because of its important role in recycling carbon dioxide into oxygen. But due to deforestation(滥伐森林)，rainforests now c
14、over less than 5% of the Earths land surface，and experts believe that this is a big contributor to global climate change. Severe deforestation began in the 20th century，with 587，000 square kilometers lost up to the year 2000.Most deforested land is used for grassland to raise farm animals and agricu
15、lture. The addition of transport routes has led to increased settlement and deforestation，and at the present rate，scientists estimate that the Amazon rainforest will be reduced by 40% in two decades.【语篇解读】本文主要讲述了亚马孙热带雨林的历史、丰富的物种以及现在所面临的危险。1Why are the figures mentioned in Paragraph 1?ATo prove the f
16、orest untouched.BTo classify species scientifically.CTo show the diversity of species.DTo attract more attention to the Amazon region.C推理判断题。根据第一段的内容并结合第二段第一句中的“allowing for the evolution of an unbelievable diversity of species”可推知，那些关于动植物种类的数字说明了亚马孙热带雨林的物种多样性，故选C。2Why did most indigenous inhabitants in the Amazon region die?AEuropean explorers brought diseases there.BPortuguese explorers
