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1、Unit 3 Travel journal.单项填空1Not until the motorbike looked almost new _repairing and cleaning it.Ahe stoppedBdid he stopCstopped heDhe did stop2The young lady prefers dressing up for a party to_ by others.Abe noticedBbeing noticedChaving been noticedDhave been noticed3He trusts you，so only you can_ h
2、im to give up that crazy idea.AtemptBpersuadeCadviseDtry to persuade4With that calm and_ expression of hers，our anxiety almost disappeared into the air.AconfusingBdeterminedCopposingDconfused5He thinks only of himself；he doesnt_ other people.Acare aboutBcare forCcare ofDcare to6No matter what you do
3、，you must _ your mind_ it.Aput；toBkeep；onCapply；onDput；into7What shall we use for power when all the oil in the world has_？Agiven outBput outCheld upDused up8_ when has the country been open to international trade?1978，I suppose.ASinceBInCFromDAfter9Sam insisted that he_ the law and_.Adidnt break；mu
4、stnt be punishedBdoesnt break；shouldnt punishChadnt broken；be not punishedDhadnt broken；not be punished10What I need is _ book that contains _ ABC of oil painting.Aa；/Bthe；/Cthe；anDa；the11Ive got a cough and my chest hurts._.Let me examine you.ADont mindBYou should learn to protect yourselfCTake it
5、easyDKeep calm.You will recover soon12Forests _ and burned at such a speed that they will disappear from the earth in the future.AcutBare cutCare being cutDhad been cut13Leave your key with a neighbor _ you lock yourself out one day.Aever sinceBeven ifCsoon afterDin case14I saw no more than one moto
6、r car in that shop.Will you go and buy_？No，Id rather buy_ in other shops.Aone；oneBit；oneCone；itDit；it15Look！Hes running so fast!Hard to_his legs were once broken.AknowBimagineCrealizeDfind.阅读理解Scientists have created a way to control a robot with signals from human brain.By generating the proper bra
7、inwavespicked up by a cap with electrodes(电极) that sense the signals and reflect a persons instructionsscientists can instruct a humanoid(类人的) robot to move to specific locations and pick up certain objects.The commands are limited to moving forward，picking up one of two objects and bringing it to o
8、ne of two locations.The researchers have achieved 94 percent accuracy between the thought commands and the robots movements.“This is really a proofofconcept demonstration， ” said Rajesh Rao，a researcher from the University of Washington who leads the project.“It suggests that one day we might be abl
9、e to use semiautonomous robots for such jobs as helping disabled people or performing routine tasks in a persons home.”The person wearing the electrode cap watches the robots movements on a computer screen through two cameras installed on and above the robot.When the robots cameras see the objects t
10、hat are to be picked up they pass on the information to the users computer screen.Each object lights up randomly on the computer screen.When a person wants something picked up and it happens to light up，the brain registers surprise and sends this brain activity to the computer and then to the robot.
11、The robot then proceeds to pick up the object.A similar algorithm(计算程序) is used to decide where the robot will go.“One of the important things about this demonstration is that were using a noisy brain signal to control the robot， ” Rao said.“That means we can only obtain brain signals indirectly fro
12、m sensors on the surface of the head，not where they are generated deep in the brain.As a result，the user can only generate highlevel commands such as indicating which object to pick up or which location to go to，and the robot needs to be autonomous enough to be able to execute such commands.”In the
13、future，the researchers hope to make the robots more adaptive to the environment by having them carry out more complex commands.16What is special about the robot introduced in the passage?AIt is controlled by human thoughts.BIt can be made humanoid.C It can be used to help the disabled.DIt has high i
14、ntelligence itself.17Which of the following is TRUE about the robot?AIt can move forward and backward and pick up two objects at the same time.BIt can move forward，pick up both objects and bring them to either location.CIt can only move forward，pick up one object and put it in one location.DIt can r
15、ead all human thought demands and do as instructed.18What Rao said suggests that the new robot_.Ais still at its early stage of developmentBwill be widely used in our daily routine soonCis autonomous enough to complete complex commandsDis only limited to doing routine work at home19The sixth paragraph mainly describes_.Ahow the robot reacts to a persons instructionsBhow the robot picks up the right objectCthe functions of the computerDhow the robot finds out where to go20The underlined word “registers” in the passa
