人教版(新教材)高中英语选修4Unit1 Science Fiction课时作业2:Reading,Listening and Thinking—Comprehending.docx
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1、Reading, Listening and Thinking-Comprehendingi .阅读理解AAs scientists in the Netherlands tried to figure out how to build a super flying robot, they learned from one of natureJ s flyers: the humble fruit fly(果蝇). And by building this robot, they ve gained new insights into how the fly carries out one o
2、f its dangerous tasks.The robot is called the DelFly Nimble.Its wingspan(翼展)is about a foot wide.lt has four wings that can beat at 17 times per second, which appear very delicate because they re made of the same material as space blankets.In the previous designs, they always had a tail, like a trad
3、itional airplane tail, said the robot s main designer Matej Karasek.He, s based at the Micro Air Vehicle Laboratory at Delft University of Technology in the Netherlands, and he and his colleagues published their findings on Thursday in Science.“In the previous generations, “ he said, “flapping wings
4、 drove the robot forward while the tail helped to guide and stabilize it.v “ But now the DelFly Nimble is completely controlled by the wings.The challenge then was actually combining the control into the wing movement, and that s what we achieved, “ Karasek said.“In the latest generation, the wings
5、can each move individually or rotate(旋转)around the body of the robot in order to maximize the machine s agility(灵舌).The robot can remain in one place in the air for about five minutes on a full battery or fly for more than a kilometer” , Karasek said. And because the scientists are controlling all t
6、he movements, they can use the robot to learn more about how fruit flies actually carry out their dangerous tasks, which has caught the attention of biologists.语篇解读本文介绍了荷兰科学家们创造的一款新型飞行机器人。1. Where did scientists get the creative idea of the flying robot? A. From a fruit fly.B. From the birds wings.C
7、. From some fruits.D. From an airplane.K答案X Ak解 析U 细节理解题。根据第一段中的 uAs scientists in the Netherlands tried to figure out how to build a super flying robot, they learned from one of nature? s flyers: the humble fruit fly (果 蝇).”可知,科学家们是从果蝇那里获得了飞行机器人的创意。2. What does the underlined word “it” in Paragraph
8、 4 probably refer to?A. A full battery.B. A flapping wing.C. The DelFly Nimble.D. The humble fruit fly.K答案cK 解 析 U 代词指代题。根据第四段中的 u In the previous generations, he said, flapping wings drove the robot forward while the tail helped to guide and stabilize it. 可推知,it 指代 科学家们创造的飞行机器人,即the DelFly Nimble.3
9、. What interests biologists most about fruit flies?A. That they are very tiny insects.B That they conduct challenging tasks.C. That they can be easily found in the world.D. That they have light wings and fly quickly.K答案BK 解析U 细节理解题。根据最后一段中的“And because the scientists are controlling all the movement
10、s, they can use the robot to learn more about how fruit flies actually carry out their dangerous tasks, which has caught the attention of biologists.”可知,生物学家们对果蝇感兴趣 的是它们是如何执行具有挑战性的任务的。4. Where is the text probably taken?A. A research paper.B. A travel brochure.C A health magazine.D. A chemistry text
11、book.K答案X AK解 析I 题。本文主要介绍了荷兰科学家们创造的一款新型飞行机器人。结合 选项可知,本文最有可能出现在研究论文上。BIf you are in Dubai you may notice a robot police officer sharing the street with you. Your first thought might be, “Have I walked into a movie set? ”The answer is no.That robot is Dubai s newest police officer.The robot has a touc
12、h screen instead of a gun.The robot will be employed mostly at shopping centers and other places popular with visitors.The robot s face has eyes but no mouth or nose.lt stands 165 centimeters tall and weighs 100 kilograms.If the robot works well, Dubai says 25 percent of its police force could be ro
13、bots by 2O3O.The robot cop(巡警)was officially presented at Dubai s Gulf Information and Security Expo and Conference in May.The police hope the robot will make life easier for the people of Dubai.Khalid Al Razooqi is Director General of Smart Services at the Dubai Police.He said the robot can help th
14、e public every day, and that “ it won t ask for any sick leave ” .The robot cannot make arrests(逮捕). But it can recognize faces and compare them to photographs on a criminal database.lt can also sense emotions.People can use the robot? s touch screen to do things like reporting a crime, paying fines
15、 and reporting lost or found things.They can also ask how to get somewhere.The robot can greet and shake hands with people.So far, the robot can speak Arabic and English.lt soon will learn other languages such as Russian, Chinese, French and Spanish.In addition to having a touch screen, the robot ha
16、s a camera that can live-stream video to a police command center.Dubai has plans to add other kinds of robots to its police force.Within two years, the city plans to use a three-meter-tall robot that can run up to 80 kilometers an hour.The Dubai government says the machine would be the world? s larg
17、est robot.A human police officer will be able to sit inside and control the robot.lt will be able to lift heavy objects.The city also plans to use an egg-shaped robot to control parking areas and give tickets to people who break traffic laws.语篇解读 本文介绍了目前在迪拜最新的警察机器人警察及其功能。5. Why do the police use the
18、 robot? A. To attract more tourists to Dubai.B To make people? s life much easier.C. To reduce the cost of the human workforce.D. To introduce new technology to people.K答案BK解 析I细节理解题。根据第四段第一句 uThe police hope the robot will make life easierfor the people of Dubai.”可知,警察使用机器人是为了让人们的生活更舒适。6. According
19、 to the text, the robot s touch screen cannot be used to .A. report a crime B pay finesreport lost or found thingsC. speak every language in the worldK答案Dk解 析X 细节理解题。根据第五段第四句People can use the robot? s touch screen to do things like reporting a crime, paying fines and reporting lost or found things.
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