2019届高考英语(浙江专版)一轮复习练习:选修6 Unit5知能演练轻松闯关(含答案解析)
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1、阅读提速练阅读理解A(2017浙江卷 10 月)There are energy savings to be made from all recyclable materials, sometimes huge savings. Recycling plastics and aluminum, for instance, uses only 5% to 10% as much energy as producing new plastic or smelting(提炼) aluminum.Long before most of us even noticed what we now call
2、“the environment, ” Buckminster Fuller said, “Pollution is nothing but the resources we are not harvesting. We allow them to be left around because weve been ignorant of their value.” To take one example, lets compare the throwaway economy with a recycling economy as we feed a cat for life.Say your
3、cat weight 5kg and eats one can of food each day. Each empty can of its food weighs 40g. In a throwaway economy, you would throw away 5,475 cans over the cats 15year lifetime. Thats 219kg of steelmore than a fifth of a ton and more than 40 times the cats weight.In a recycling economy, we would make
4、one set of 100 cans to start with, then replace them over and over again with recycled cans. Since almost 3% of the metal is lost during reprocessing, wed have to make an extra 10 cans each year. But in all, only 150 cans will be used up over the cats lifetimeand well still have 100 left over for th
5、e next cat.Instead of using up 219kg of steel, weve used only 6kg. And because the process of recycling steel is less polluting than making new steel, weve also achieved the following significant savings: in energy use47% to 74%; in air pollution85%; in water pollution35%; in water use40%.【解题导语】 本文首
6、段点明主旨:回收利用可大大节约资源,并引用伟大建筑师富勒的话和养猫喂食的例子肯定循环经济的价值所在。1What does Buckminster Fuller say about pollution?AIt is becoming more serious. BIt destroys the environment.CIt benefits the economy. DIt is the resources yet to be used.D 解析:细节理解题。根据第二段的 Buckminster Fuller 的话:“Pollution is nothing but the resources
7、 we are not harvesting. We allow them to be left around because weve been ignorant of their value.”可知,他认为污染只不过是我们没有收获的资源。由于我们对它们的价值一无所知,因此让它们白白浪费。故选 D。2How many cans will be used up in a cats 15year lifetime in a recycling economy?A50. B100.C150. D250.C 解析:细节理解题。根据第四段的 “But in all, only 150 cans wil
8、l be used up over the cats lifetime”可以推断出,循环经济下,要养活一只存活 15 年的猫需要用掉 150 个罐。故选 C。3What is the authors purpose in writing the text?ATo promote the idea of recycling. BTo introduce an environmentalist.CTo discuss the causes of pollution. DTo defend the throwaway economy.A 解析:写作目的题。文章通过养猫喂食的例子,用数字对比了循环经济
9、和一次性经济消耗资源的不同结果,目的是推广回收利用的理念。故选 A。BThe world record holder for the number of university degrees is a 70yearold Italian.Mr.Luciano Baietti lives in the town of Velletri near Rome and spends his days walking around his small house and garden.But every morning as early as 3 oclock,he pulls out his text
10、books and starts studying.He now holds 15 bachelors or masters degrees from universities across Italy,and is already attempting his 16th.“Thanks to books,I feel free, ”he tells the BBC journalists.“After all,the words share the same root, ”he says,referring to the Italian words libro(book)and libero
11、(free)The certificates proving his talent hang on the walls of his study, showing people that he was writing new pages in the Guinness Book of Records.In 2002 he got his eighth degree in motor skills.And before that he already had degrees in sociology,literature,law,political science and philosophy,
12、most from Rome s famous La Sapienza University, one of the oldest in the world.Since then,he has added seven other degrees to his list,including one in criminology(犯罪学),one in military strategies and the latest one in tourism in February 2017.All of these three were from online universities.“Each ti
13、me I set myself a new challenge to see how far my body and my brain can go, ”says Mr.Baietti.【解题导语】 本文是一篇新闻报道。来自意大利的 70 岁的 Luciano Baietti 先生是已获得大学学位总数最多的世界纪录保持者。4What can we know about Mr.Baietti from the passage?AHe has a wide range of learning.BHe is the oldest world record holder.CHe has got cra
14、zy about getting degrees.DHe got all his degrees by going to school.A 解析:推理判断题。根据第三至五段可以推断 Luciano Baietti 先生的学习范围非常广泛。a wide range of 意思是“广泛的,多种多样的” ,所以选项 A 正确。5Why has Mr.Baietti tried to get so many degrees?ATo show his talent.BTo challenge himself.CTo become popular.DTo break the world record.B
15、解析:细节理解题。根据最后一段中的“Each time I set myself a new challenge to see how far my body and my brain can go”可知选项 B 正确。6Where does this passage most probably come from?AA newspaper. BA biography.CA travel magazine. DA story book.A 解析:推理判断题。根据全文尤其是第四段 Luciano Baietti 先生接受 BBC 采访的信息可以推断本文应该是一篇新闻报道。所以选项 A 正确。CC
16、rossing your legs is an extremely common habit; most people dont even notice that theyre doing it when they sit down. While you may find it comfortable to sit with one knee crossed over the other, it might be causing health problems that you are not aware of.A study published in Blood Pressure Monit
17、oring stated that sitting with your legs crossed can increase your blood pressure. The reason for this is that the blood in your legs has to work against gravity to be pumped back to your heart and that crossing one leg over the other increases resistance, making it even harder for the blood to circ
18、ulate. This causes your body to increase your blood pressure to push the blood back to the heart. You wont feel any immediate effects, but repeated, drawnout increases in blood pressure can cause longterm health issues. So, planning to sit for a long period of time? Dont keep your legs crossed.“Cros
19、sing your legs at the knee can also cause pressure on the major nerve in your leg that passes just below your knee and along the outside of your leg, ” explains Richard Graves, a medical expert. This pressure can cause numbness and temporary paralysis(麻痹) of some of the muscles in your foot and leg,
20、 preventing you from being able to raise your anklewhat we know as that “pins_and_needles” sensation. While the feeling of discomfort may only last a minute or two, repeatedly crossing your legs until they feel numb can cause permanent nerve damage.So next time you sit down, try to get yourself in t
21、he habit of sitting with both of your feet on the floor. Not only will it help your posture and stability, but it will also save your health in the long run.【解题导语】 本文是一篇科普说明文。研究表明,虽然跷二郎腿是常见的习惯,但是该习惯会引起血压的升高,还会导致膝盖以下的重要神经受损。所以不要跷二郎腿,要有正确的坐姿。7What can we learn about crossing ones legs?AIt is a very ba
22、d social habit.BIt is usually practiced deliberately.CIt can do harm to peoples health.DIt can make others feel uncomfortable.C 解析:细节理解题。根据第一段的第二句 “While you may find it comfortable to sit with one knee crossed over the other, it might be causing health problems that you are not aware of.”可知,跷二郎腿会引起
23、健康问题,故 C 项正确。8According to the study, sitting with your legs crossed can_Aaffect your blood pressureBresist gravity effectivelyClead to heart attacks easilyDimprove the function of legsA 解析:细节理解题。根据第二段的第一句 “A study published in Blood Pressure Monitoring stated that sitting with your legs crossed can
24、 increase your blood pressure.”可知,研究表明,跷二郎腿会引起血压的升高,故 A 项正确。9In the third paragraph “pins and needles” probably means “_”Aslightly sharp pains Bbeing a little tiredCserious muscle injuries Dbeing highly flexibleA 解析:词义猜测题。根据第三段的 “This pressure can cause numbness and temporary paralysis(麻痹) of some o
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