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1、第四天单项选择1、I didnt like the _he talked tome.A.wayB.meansC.methodD.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 (抑郁症) a
2、s 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 a cigare
3、tte.A.to stopB.stoppingC.to have stoppedD.having stopped 阅读理解6、 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 research ce
4、nters 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 of the r
5、obots 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 human abilit
6、ies 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 new pr
7、oblems 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 the wa
8、ter 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 test of
9、 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 hopes th
10、ey develop into “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 waters i
11、n 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-tech ite
12、ms.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 tell us
13、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 (标签).
14、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 University says that organic products arent necessarily more nutritious, and theyre no less likely to suffer from disease
15、-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 nutritional 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 sh
