2020-2021学年高中英语 课时分层作业12 Unit 4 Breaking boundaries（含解析）外研版选择性必修第二册.doc

1、课时分层作业(十二).阅读理解AAs globalization continues to make the world a smaller place, and goods become more accessible across borders，concerns about food safety in the AsiaPacific region have steadily risen over the years.An APEC forum is being held in Beijing，to find ways to better address the problem.156

2、participants from 19 APEC economies and 4 nonAPEC members attended the APEC Food Safety Cooperation Forum，which has been actively looking for ways to strengthen food safety standard in the region，without affecting trade.“As consumers are faced with more varieties of food，the potential food safety ri

3、sk also becomes bigger.This forum has helped APEC economies to cooperate in supervision (监督)，exchange information，and improve the overall food safety standard in the AsiaPacific region，” said director of Chinas General Administration of Quality Supervision Wu Qinghai.For the first time the forum has

4、 brought together highlevel regulators，academics，and industry stakeholders to talk about their respective roles in safety supervision.They say governments alone cannot shoulder this heavy duty.In China，the continuous food safety problems have greatly hurt consumers confidence in domestic products；th

5、erefore more turned to imports. However，problems related to quality of those imported goods also began to show.In July this year，more than 400 batches (批) of food imported from 35 countries and regions were found substandard by the countrys top quality supervisor.Governments and industries have been

6、 brought closer by this forum.As food moves more freely beyond borders，this forum is hoped to promote safety control cooperation，so APEC members can better benefit from the economic integration(经济一体化)【语篇解读】通过APEC论坛，各国之间将更加密切地合作，食品安全问题将得到更有效的监管和处理，各成员国都会从中受益。1What kind of function can the forum play?

7、AIt has greatly influenced the economy in the area.BIt has long been able to put every sides efforts together.CIt helps to bring government regulators and industries together.DIt has found ways to deal with safety problems.C细节理解题。根据第四段中的“the forum has brought together highlevel regulators，academics，

8、and industry stakeholders to talk about their respective roles in safety supervision”可知，应选C项。2The last but one paragraph tells us that _Athe Chinese customers are more satisfied with their food safetyBfood imported from other countries is indeed high in qualityCmany Chinese customers would rather bu

9、y some foreign foodDthere are only 35 countries and regions exporting food to ChinaC细节理解题。根据第五段中的“the continuous food safety problems have greatly hurt consumers confidence in domestic products；therefore more turned to imports.However，problems related to quality of those imported goods also began to

10、 show”可知，连续的国内食品安全问题伤害了消费者的信心，他们更加愿意买进口产品，但是进口食品的质量问题也开始显现，即C项正确。3The underlined word “address” in the first paragraph can be replaced by “_”Asend a letter aboutBdeal withCdeliver a speech onDcall offB词义猜测题。根据全文大意可知，各国通过APEC论坛加强合作，积极寻求更好的方法来解决食品安全问题。由此可推知，B项“处理，解决”与address含义相近，故选B项。4According to the

11、 article，which of the following statements is WRONG?APeople can buy foreign food more easily than ever.BThe more varieties of food，the bigger the potential food safety risk.CFood safety problems have appeared many times before this forum.DGovernments have started their cooperation with academies and

12、 industries before this forum.D细节理解题。根据第一段中的“and goods become more accessible across borders，concerns about food safety in the AsiaPacific region have steadily risen over the years”可知，A、C项表述正确；根据第三段中的“As consumers are faced with more varieties of food，the potential food safety risk also becomes bigg

13、er.”可知，B项表述正确，D项与第四段的第一句不符，故选D项。BWalk through the Amazon rainforest today and you will find it steamy, warm, damp and thick.But if you had been there around 15，000 years ago, during the last ice age, would it have been the same? For more than 30 years, scientists have been arguing about how rainfore

14、sts might have reacted to the cold, dry climate of the ice ages, but till now, no one has reached a satisfying answer.Rainforests like the Amazon are important for mopping up CO2 from the atmosphere and helping to solve global warming.Currently the trees in the Amazon take in around 500 million tons

15、 of CO2 each year: equal to the total amount of CO2 given off in the UK each year.But how will the Amazon react to the future climate change? If it gets drier, will it survive and continue to draw down CO2? Scientists hope that they will be able to learn in advance how the rainforest will manage in

16、the future by understanding how rainforests reacted to climate change in the past.Unfortunately, collecting information is incredibly difficult.To study the past climate, scientists need to look at fossilized pollen (花粉) kept in lake mud.Going back to the last ice age means drilling down into lake s

17、ediments (沉淀物), which requires specialized equipment and heavy machinery .There are very few roads and paths, or places to land helicopters and aeroplanes.Rivers tend to be the easiest way to enter the forest, but this still leaves vast areas between the rivers completely unsampled (未取样)So far, only

18、 a handful of cores have been drilled that go back to the last ice age and none of them provide enough information to prove how the Amazon forest reacts to climate change.【语篇解读】文章主要介绍了科学家是如何在亚马逊热带雨林工作的，以揭开亚马逊热带雨林的神秘之处。5How do scientists study the past climate change?ABy predicting the climate change

19、 in the future.BBy drilling down deep into land sediments.CBy taking samples from rivers in the Amazon.DBy analyzing fossilized pollen in lake mud.D细节理解题。根据第三段“To study the past climate, scientists need to look at fossilized pollen kept in lake mud.”研究过去气候科学家需要看保存在湖泥中的花粉化石。故选D。6What is needed for dr

20、illing down into lake sediments?AThe latest helicopter.BThe special equipment.CThe light machinery.DThe narrow path.B细节理解题。根据第三段“Going back to the last ice age means drilling down into lake sediments, which requires specialized equipment and heavy machinery.”回到上一个冰河时代意味着下钻到湖泊沉淀物，这需要专门的设备和重型机械。故选B。7W

21、hat is the purpose of writing the passage?ATo attract more peoples attention to CO2.BTo call on people to protect rainforests.CTo inform people of how scientists work on rainforests.DTo warn people to stay away from the danger of rainforests.C推理判断题。这是一篇科普文章，通常写作目的是提供信息。A 选项是吸引更多人对二氧化碳的注意，和文章无关；B 选项是

22、号召人们保护雨林，此文不是强调保护雨林；D 选项是警告人们远离雨林的危险，文章没有讲到雨林的危险。故选C。8The best title for the text may be _AMystery of the RainforestBClimates of the AmazonCThe History of the RainforestDChanges of the RainforestA标题归纳题。根据第一段“But if you had been there around 15，000 years ago, during the last ice age, would it have be

23、en the same? For more than 30 years, scientists have been arguing about how rainforests might have reacted to the cold, dry climate of the ice ages, but till now, no one has reached a satisfying answer.”人们对于雨林怎样应对变化的天气一直没有满意的答案，二、三段讲述的是科学家采用不同的方法去检测，而且没有结果，所以标题为雨林的神秘是最恰当的。B、C、D 选项都仅仅是文章提到的部分信息。故选A。.

24、概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Humankind has tried to improve its standard of living since the very beginning of civilization.Back then, as well as today, providing food and security was the basic task for a person.However, nowadays the range of required goods has expanded greatly.People feel the nee

25、d for not only some primary things, such as a piece of bread and a roof over their heads, but also for various facilities and luxuries(奢侈品)Providing humanity with these things is connected to the use of natural resources, which requires energy.The problem is that the common sources of energy we use

26、today cause pollution, so economic growth is almost unavoidably associated with environmental damage.There are certain aspects of economic growth which affect the environment.One of these is the fact that in order to produce more goods and products, the construction of large industrial plants is req

27、uired.These plants produce a lot of waste, leading to the pollution of water and the atmosphere, which may cause negative long term health effects to nearby populations of animals, or people.Industrial manufacturing leads to the constantly increasing energy consumption.The traditional energy sources

28、, which are commonly used nowadays, are considered to be the greatest polluters to the environment.There also exist socalled ecofriendly sources of energy. They are sometimes preferred but replacing the traditional sources with them also requires time, during which people have to make some sacrifice

29、s(牺牲) to support these undertakings.Whats more, to produce economically practical energy, people unavoidably have to transform the natural site.This is expensive and, has harmful effects on the environment.For example, application of wind energy would block air flows natural speed, which is the reas

30、on for their decrease in strength after crossing the windmill.Consequently, the pressure balance that is brought about by this current will be affected, and it is important to remember that the environment and weather conditions are directly affected by atmospheric pressure.For these reasons, bringi

31、ng about economic growth without any resulting environmental damage, whatsoever, is impossible._【参考范文】Humans desire for material comforts has resulted in great damage to the environment.(要点1) To produce more goods, we have constructed industrial plants, which consume lots of energy and cause serious pollution.(要点2) Though people try to substitute ecofriendly energy for traditional sources, it takes time and even the clean energy will influence the environment in some way.(要点3) So economic growth is bound to go hand in hand with environmental damage.(要点4)