职称英语理工类2007年c真题：完形填空

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　　第6部分：完形填空（第51~65题，每题1分，共15分）

　　下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。

An Intelligent Car

　　Driving needs sharp eyes,keen ears,quick brain,and coordination（协调）between hands and the brain.Many human drivers have all（51）and can control a fast-moving car.But how does an intelligent car control itself?

　　There is a virtual（虚拟的）driver in the smart car.This virtual driver haseyes,brains,handsandfeet,too.The minicameras（52）each side of the car are hiseyes,which（53）the road conditions ahead of it.They watch the（54）to the cars left and right.There is also a highly automatic driving（55）in the car.It is the built-in computer,which is the virtual driverbrain.Hisbrain（56）the speeds of other moving cars near it and analyzes their positions.Basing on this information,it chooses the（57）path for the intelligent car,and gives instructions to the handsandfeetto act accordingly.In this way,the virtual driver（58）his car.

　　What is the virtual drivers best advantage?He reacts（59）.The minicameras are bringing（60）continuously to the brain.It completes the processing of the images within 100 milliseconds.（61）,the worlds best driver needs at least one second to react.Besides,when he takes（62）,he needs one more second.

　　The virtual driver is really wonderful.He can reduce the accident（63）considerably on expressways（高速公路）.In this（64）,can we let him have the wheel at any time and in any place?Experts（65）that we cannot do that just yet.His ability to recognize things is still limited.He can now only drive an intelligent car on expressways.

　　51.A.these　B.them　C.this　D.that

　　52.A.in　B.above　C.to　D.on

　　53.A.change　B.observe　C.improve　D.meet

　　54.A.police　B.traffic　C.pets　D.trees

　　55.A.button　B.door　C.system　D.activity

　　56.A.calculates　B.reaches　C.gathers　D.reduces

　　57.A.different　B.narrow　C.same　D.right

　　58.A.stops　B.finds　C.controls　D.selects

　　59.A.quickly　B.cleverly　C.virtually　D.safely

　　60.A.ideas　B.news　C.memory　D.images

　　61.A.so　B.However　C.Besides　D.Therefore

　　62.A.action　B.role　C.decision　D.notice

　　63.A.investigation　B.prevention　C.rate　D.report

　　64.A.case　B.method　C.manner　D.file

　　65.A.expose　B.warn　C.hope　D.wish