高考英语总复习第一部分基础考点聚焦Unit4Astronomythescienceofthestars知能演练轻松闯关新人教版必修3

1、Unit 4 Astronomy the science of the stars.单句语法填空1Pakistan came into _(exist) as an independent country after the war.答案：existence2She strongly objected to my mother s marriage.Surprisingly, my mothers reaction _ it was rather calm.答案：to3The officer demanded that such things _(prevent) from happening again.答案：(should) be prevented4An American plane is reported _(crash) in the Atlantic Ocean with 228 people aboard, the airlines worst disaster in its 75year history.答案：to have crashed5The two girls

2、are so alike that strangers find _ difficult to tell one from the other.答案：it6What makes me _(puzzle) is why he left the country without telling anyone.答案：puzzled7_ was needed at that time, she told me, was some good luck.答案：What8During those four years, he worked day and night, thus _(improve) his theory gradually until it was completed.答案：improving9There were many fish _(float) in the river because of the serious pollution.答案：floating10The meeting was held in a lively atmosphere _ everybody fe

3、lt free to share his ideas.答案：where.阅读理解A(2016山东潍坊一模)Can you imagine a world without chocolate? Its not something Id like to do. So I was relieved to read that theres a university with a programme to safeguard the future of chocolate! The University of Reading, in England, has just opened a new clearing house for all the worlds new cocoa varieties. They must be quarantined(进行检疫) before they can be grown. Why? Cocoa production hit a record high of 4.4 million tons last year but about 30% of the p

4、recious crop is regularly lost to pests and diseases. Now we dont want that, do we? Demand for chocolate has been increasing faster than the world supply of cocoa and researchers think that new varieties are key to solving this problem.The University of Reading has been protecting the quality of the new crop since 1985, after it took over the task from the Royal Botanical Gardens in Kew, London. And it has improved its facilities. The leader of the institutions cocoa project, Professor Paul Hadl

5、ey, says, “One of the main issues concerning cocoa improvement is the supply of reliably clean, healthy, interesting cocoa material.” The cocoa centre has a collection of 400 plant varieties and their greenhouse uses a lot of energy to keep them in tropical conditions. After up to two years in quarantine, clean and safe seeds are sent to some 20 countries, including several in West Africa. Thats where 75% of the cocoa used for chocolate worldwide comes from. The crop is extremely important for t

6、he local economy: it employs about two million people. Professor Paul Hadley says he works with a small team of skilled technicians who look after the collection. And more of us seem to count on them now.The scientist says, “There is some concern within the industry that demand is increasing constantly, particularly in countries like China, where the standard of living is increasing and people are getting a taste for different chocolates.” 【解题导语】本文主要介绍了英国一项保护可可种子的项目。 1What is the text mainly abo

7、ut? ASafeguarding cocoa seeds.BPlanting cocoa seeds worldwide.CKeeping cocoa seeds in greenhouse.DFinding the new market for cocoa.A解析： 主旨大意题。 根据第一段中的“Its not something Id like to do.So I was relieved to read that theres a university with a programme to safeguard the future of chocolate！” 及第五段中的“clean and safe seeds” 可知， 本文主要讲的是英国保护可可种子的项目， 即A项正确。 2The institutions cocoa project is to _.Ahave cocoa skin removedBoffer more jobs to peopleCensure the quality of cocoaDsupply cocoa to two million peo

8、pleC解析： 推理判断题。 根据第四段中的最后一句“The leader of the institutions cocoa project, Professor Paul Hadley, says, One of the main issues concerning cocoa improvement is the supply of reliably clean, healthy, interesting cocoa material.” 可知， 这个机构是要确保可可粉的质量， 即C项正确。 3What does the last paragraph tell us? AThe taste of chocolates is changing.BDemand for cocoa is increasing continually.CPeople are concerned about cocoa varieties.DChinese have a long history of eating chocolates.B解析： 细节理解题。 根据最后一段的关键词“demand is i

9、ncreasing constantly” 可知， 本段主要讲可可需求的不断增长， 即B项正确。 4Whats the purpose of the text? ATo educate.BTo advertise.CTo warn. DTo inform.D解析： 写作意图题。 文章第一段点题， 结合全文的整体内容可知， 本文主要介绍了英国保护可可种子的项目， 属于向读者传递信息的类型， 即D项正确。 B(2016太原二模)Washington: NASA has announced evidence that Jupiters largest moon, Ganymede, has a saltwater ocean under its icy surface. The ocean seems to have more water than all the water on Earths surface, according to new Hubble observations.New Hubble observations of Ganymedes magnetic field strongly suggest that the moon, which is the largest in our whole solar system, is home to a subsurface ocean.Scientists estimate that the ocean is 95 kilometres thick, which is about 10 tim

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