2018_2019学年高二英语寒假作业第十四天.doc
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1、1第十四天单项选择1、I didnt like the _ he talked to me.A.way B.means C.method D.manner2、English is a language shared by several diverse cultures, _ uses it differently.A.all of whichB.each of whichC.all of themD.each of them3、A new study suggests that the more teenagers watch television,_ develop depression
2、(抑郁症) as young adults.A.the more likely they are toB.the more likely they areC.they are the more likely toD.the more likely are they4、Thank God youre safe!I stepped back, just _ to avoid the racing car.A.in timeB.in caseC.in needD.in vain5、He was busy writing a story only _ once in a while to smoke
3、a cigarette.A.to stopB.stoppingC.to have stoppedD.having stopped 阅读理解26、 Scientists are using robots to study the health of waters in and around Venice, Italy. The robots are designed to act like fish, other underwater creatures and plants. The scientists are working with several universities and re
4、search centers as part of a group called subCULTron. The European Union gives money to the project as part of its Horizon 2020 program whose aim is to take great ideas from the lab to the market and support science and innovation (创新) in Europe. The scientists want to use the artificial intelligence
5、 of the robots to help humans understand what is happening under the water of the Venice lagoon (鴻湖).SubCULTron, a collective artificial intelligence project, plans to create the biggest shoal(鱼群) of robot fish in the world. The projects aim is to improve knowledge of the seabed and try to turn huma
6、n abilities into h-tech items.Alexandre Campo, a computer scientist, says the scientists have looked at the way animals learn to work in groups to understand how robots can learn to work together. The subCULTron project wants its robots to learn to work together so they can watch out for changes and
7、 new problems in the water.One problem the researchers had in the beginning was how the robots would communicate with each other. Wi-Fi and GPS equipment dont work underwater. Instead, the robots can use sonar (声呐) and an electric field.Another problem was charging batteries. The robots come up to t
8、he water s surface and stay near a boat or a power station to charge without any electrical cables. Besides, how to be waterproof, especially for some key pads of the robots, was really tough. Fortunately, a special mixture has been created to be pinned on the robot, which successfully stands the te
9、st of water.The health state of the lagoon is pretty good. There are no industrial polluters, and the city now has a modern sewer (污水管) system. Its not like before when all the waste flushed diretly into the water. The robots in Venice will continue their work until 2019. The subCULTron project hope
10、s they develop 3into “an artificial society underneath the water surface” that serves “a human society above the water”.1.What can we learn about the project in Paragraph 1?A.Its researchers are all from universities.B.The European Union has financially supported it.C.It uses robots to clean the wat
11、ers in and around Venice.D.It is aimed to support science and innovation worldwide.2.What can we infer according to Alexandre Campo?A.Scientists have got an idea for robots from the animals.B.The robots are working separately to perform their tasks.C.SubCULTron is to turn human abilities into hi-tec
12、h items.D.The health state of the lagoon has greatly improved recently.3.The underlined word “they” in the last paragraph probably refers to “_”A.scientistsB.animalsC.robotsD.humans4.What does the author mainly want to tell us in the passage?A.Robots are coming into our cities soon.B.Animals can tel
13、l us how to clean the water.C.Waters in Venice have been greatly cleaned.D.Robot fish watch out for the waters in Venice.7、 Organic food, grown without artificial chemicals, is increasingly popular nowadays. Consumers (消费者) have been willing to pay up to twice as much for goods with organic labels (
14、标签). However, if you think paying a little more for organic food gets you a more nutritious and safer product, then youd better save your money. A study led by researchers at Stanford 4University says that organic products arent necessarily more nutritious, and theyre no less likely to suffer from d
15、isease-causing bacteria, either.For their new study, Smith-Spangler and her colleagues conducted a review of two categories(种类)of research, including 17 studies that compared health outcomes between consumers of organic against traditional food products, and 223 studies that analyzed(分析) the nutriti
16、onal content of the foods, including key vitamins, minerals and fats.While the researchers found little difference in nutritional content, they did find that organic fruit and vegetables were 20% less likely to have chemicals remaining on the surfaces. Neither organic nor traditional foods showed le
17、vels of chemicals high enough to go beyond food safety standards(标准). And both organic and traditional meats, such as chicken and pork, were equally likely to be harmed by bacteria at very low rates. The researchers did find that organic milk and chicken contained higher levels of omega-3 fatty acid
18、s, a healthy fat also found in fish that can reduce the risk of heart disease. However, these nutritional differences were too small, and the researchers were unwilling to make much of them until further studies confirm the trends.Organic food is produced with fewer chemicals and more natural-growin
19、g practices, but that doesnt always translate into a more nutritious or healthier product. The U. S. Department of Agriculture (USDA) states that “whether you buy organic or not, finding the freshest foods available may have the biggest effect on taste.“ Fresh food is at least as good as anything ma
20、rketed as organic.1.What does the underlined sentence in the first paragraph mean?A.Organic food helps you save money.B.Organic food contains much more nutrients.C.Organic food is worth the high price.D.Organic food is not always nutritious.2.Smith-Spangler and her colleagues found that _.A.organic
21、food could reduce the risk of heart disease5B.traditional food was grown with more natural methodsC.both organic and traditional food they examined were safeD.there was not a presence of any forms of bacteria in organic food3.What is the authors attitude toward organic food?A.DoubtfulB.UnconcernedC.
22、PositiveD.Supportive完形填空8、 When Dave was eighteen,he bought a secondhand car for $ 200 so that he could travel to and from work more 1 than by bus. It worked quite well for a few years, but then it got so old, and it was costing him 2 much in repairs that he decided that he had better 3 it.He asked
23、among his friends to see if anyone was particularly 4 to buy a cheap car,but they all knew that it was falling to pieces, so 5 of them had any desire to buy it. Daves friend Sam saw that he was 6 when they met one evening,and said,“Whats 7 , Dave?”Dave told him,and Sam answered,“Well,what about adve
24、rtising it in the paper? You may 8 more for it that way than the cost of the advertisement!“ Thinking that Sams 9 was sensible(合理的), he put an advertisement in an evening paper, which read “For sale:small car, 10 very little petrol,only two ounces. Bargain at 50.“For two days after the advertisement
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