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1、精选优质文档-倾情为你奉上阅读理解专题 社会科普类Babiesbornafter2017mayneverneedtotakeadrivinglessonbecauseofthedevelopmentofself-drivingcars.Somescientistssaythatself-drivingordriverlesscars（无人驾驶汽车)mayhittheroadswithin15years,anditispossiblethatdrivingmaybecomenotnecessary,ormorerelaxingandenjoyable. CompanieslikeGoogle,B
2、aidu,AppleandAlibabaareworkingondriverlesscars.Ifthetestsaresuccessful,theseelectricself-drivingcarscouldbeputintouseverysoon.Thiskindofcarsmaychangethewayweliveinthefuture.Allyouhavetodoistypingintheaddress! AccordingtoBaidu,driverlesstechnologyhasthefollowingfouradvantages.Firstly,driverlesscarsar
3、eactuallysafer.Secondly,driverlesscarsaremoreefficientthanmannedcars.Thirdly,driverlesscarsfollowthetrafficrules.Thereforetrafficcontrolwillbeeasiertoachieve.Atlast,thecostoftransportationwillbereducedasthelaborcostbecomesless. Therearemanydifferenttechnologiesneededtomakeasuccessfulself-drivingcar.
4、 Themo-stdifficulttechnologiesofallareenvironmentalperception （感知） 25 behaviorprediction,planningcontrol,HDmapping,andexactGPS. 1.Accordingtosomescientists,driverlesscarsmaymakedrivingbecome . A.necessaryB.difficult C.enjoyableD.boring 2.WhichofthefollowingisNOTtrueaboutdriverlesscars? A.Google,Baid
5、u,AppleandAlibabaareworkingondriverlesscars.B.Thiskindofcarsmaychangeourlivingconditionsinthefuture.C.Driverlesscarsaresaferthanman-controlledcars. D.Passengersdontneedtotellthecarswheretheywanttogo.3.Thethirdparagraphmainlytalksabouttheofdriverlesscars. A.instructionsB.standards C.advantagesD.theor
6、ies4.Whatcanwelearnfromthepassage? A.Driverlesscarsmaynotfollowthetrafficrules. B.Thetechnologiesfordriverlesscarshaventyetwelldeveloped.C.Thecommunicationbetweenthecarandamanisperfect. D.Driverlesscarswillhavemoreaccidentsthanman-controlledcars.Whether in the home or the workplace, social robots ar
7、e going to become a lot more common in the next few years. Social robots are about to bring technology to the everyday world in a more humanized way, said Cynthia Breazeal, chief scientist at the robot company Jibo. While household robots today do the normal housework, social robots will be much mor
8、e like companions than mere tools. For example, these robots will be able to distinguish when someone is happy or sad. This allows them to respond more appropriately to the user.The Jibo robot, arranged to ship later this year, is designed to be a personalized assistant. You can talk to the robot, a
9、sk it questions, and make requests for it to perform different tasks. The robot doesnt just deliver general answers to questions; it responds based on what it learns about each individual in the household. It can do things such as reminding an elderly family member to take medicine or taking family
10、photos.Social robots are not just finding their way into the home. They have potential applications in everything from education to health care and are already finding their way into some of these spaces.Fellow Robots is one company bringing social robots to the market. The companys “Oshbot” robot i
11、s built to assist customers in a store, which can help the customers find items and help guide them to the products location in the store. It can also speak different languages and make recommendations for different items based on what the customer is shopping for.The more interaction the robot has
12、with humans, the more it learns. But Oshbot, like other social robots, is not intended to replace workers, but to work alongside other employees. “We have technologies to train social robots to do things not for us, but with us,” said Breazeal.1. How are social robots different from household robots
13、? A. They can control their emotions.B. They are more like humans.C. They do the normal housework.D. They respond to users more slowly.2. What can a Jibo robot do according to Paragraph 3?A. Communicate with you and perform operations.B. Answer your questions and make requests.C. Take your family pi
14、ctures and deliver milk.D. Obey your orders and remind you to take pills.3. What can Oshbot work as?A. A language teacher.B. A tour guide. C. A shop assistant.D. A private nurse.4. We can learn from the last paragraph that social robots will _. A. train employees B. be our workmates C. improve techn
15、ologieD. take the place of workers5. What does the passage mainly present?A. A new design idea of household robots. B. Marketing strategies for social robots.C. Information on household robots. D. An introduction to social robots.Your house may have an effect on your figure. Experts say the way you
16、design your home could play a role in whether you pack on the pounds or keep them off. you can make your environment work for you instead of against you. Here are some ways to turn your home into part of your diet plan.Open the curtains and turn up the lights. Dark environments are more likely to en
17、courage overeating, for people are often less self-conscious(难为情) when theyre in poorly lit places and so more likely to eat lots of food. If your home doesnt have enough window light, get more lamps and flood the place with brightness.Mind the colors. Research suggests warm colors fuel our appetite
18、s. In one study, people who ate meals in a blue room consumed 33 percent less than those in a yellow or red room. Warm colors like yellow make food appear more appetizing, while cold colors make us less hungry. So when its time to repaint, go blue.Dont forget the clock or the radio. People who eat s
19、lowly tend to consume about 70 fewer calories(卡路里) per meal than those who rush through their meals. Begin keeping track of the time, and try to make dinner last at 30 minutes. And while youre at it, actually sit down to eat. If you need some help slowing down, turning on relaxing music. It makes yo
20、u less likely to rush through a meal.Downsize the dishes. Big serving bowls and plants can easily makes us fat. We eat about 22 percent more when using a 12-inch plate instead of a 10-inch plate. When we choose a large spoon over a smaller one, total intake(摄入) jumps by 14 percent. And well pour abo
21、ut 30 percent more liquid into a short, wide glass than a tall, skinny glass.1. The text is especially helpful for those who care about _.A. their home comforts B. their body shape C.house buying D. healthy diets2. A home environment in blue can help people _.A. digest food better B.reduce food inta
22、ke C . burn more calories D.regain their appetites3. What are people advised to do at mealtimes?A. Eat quickly. B. Play fast music C. Use smaller spoons D. Turn down the lights4. What can be a suitable title for the text?A. Is Your House Making You Fat? B.Ways of Serving Dinner C . Effects of Self-C
23、onsciousness D. Is Your Home Environment Relaxing?The oddness of life in space never quite goes away. Here are some examples.First consider something as simple as sleep. Its position presents its own challenges. The main question is whether you want your arms inside or outside the sleeping bag. If y
24、ou leave your arms out, they float free in zero gravity, often giving a sleeping astronaut the look of a funny balled （芭蕾）dancer. “Im an inside guy,” Mike Hopkins says, who returned from a six-month tour on the International Space Station. “I like to be wrapped up.”On the station, the ordinary becom
25、es strange. The exercise bike for the American astronauts has no handlebars. It also has no seat. With no gravity, its just as easy to pedal violently. You can watch a movie while you pedal by floating a microcomputer anywhere you want. But station residents have to be careful about staying in one p
26、lace too long. Without gravity to help circulate air, the carbon dioxide you exhale (呼气) has a tendency to form an invisible （隐形的）cloud around you head. You can end up with what astronauts call a carbon-dioxide headache.Leroy Chiao, 54, an American retired astronaut after four flights, describes wha
27、t happens even before you float out of your seat,”Your inner ear thinks yourre falling . Meanwhile your eyes are telling you youre standing straight. That can be annoyingthats why some people feel sick.” Within a couple days truly terrible days for some astronauts brains learn to ignore the panicky
28、signals from the inner ear, and space sickness disappears.Space travel can be so delightful but at the same time invisibly dangerous. For instance, astronauts lose bone mass. Thats why exercise is considered so vital that National Aeronautics and Space Administration (NASA) puts it right on the work
29、day schedule. The focus on fitness is as much about science and the future as it is about keeping any individual astronauts return home, and, more importantly, how to maintain strength and fitness for the two and a half years or more that it would take to make a round-trip to Mars.1.What is the majo
30、r challenge to astronauts when they sleep in space?A. Deciding on a proper sleep position B. Choosing a comfortable sleeping bagC. Seeking a way to fall asleep quickly D. Finding a right time to go to sleep.2.The astronauts will suffer from a carbon-dioxide headache when _.A. the y circle around on
31、their bikes B. they use microcomputers without a stopC. they exercise in one place for a long time D. they watch a movie while pedaling3.Some astronauts feel sick on the station during the first few days because _.A. their senses stop working B. they have to stand up straightC. they float out of the
32、ir seats unexpectedly D. whether they are able to go back to the station4.One of the NASAs major concerns about astronauts is _.A. how much exercise they do on the station B. how they can remain healthy for long in spaceC. whether they can recover after returning home D. whether they are able to go back to the station专心-专注-专业