题目内容
3.Imagine the situation.You are driving along a desert or on a mountain.You have no idea where you are.You passed the last house two hours ago.Then your car breaks down.It is night and it is cold.You have no mobile phone.What do you do?Well,next time take a GPS with you.This invention may be able to help you.It is a device which uses satellites to find the user's position.It can find your position to within 20metres.A GPS cannot start your car,but at least you will know where you are.GPS,which means Global Positioning System,is a small radio receiver.It looks like a mobile phone.You can hold it in your hand,or put in your pocket.It is sometimes put into a watch or a telephone.We also find GPS devices in cars,planes,or boats.Some of these devices have electronic maps,so you know where you are.For example,in a city they can tell you the name of the street.
There are three parts to the Global Positioning System.The first part is the receiver.You can hold it in your hand,or have it fixed into your car,plane,etc.The second part is a group of satellites orbiting the Earth.The receiver contacts at least four of the satellites and calculates its position.The third part of the system is a network of ground stations.They are all over the world.They control the satellites and make sure they are working well.
Some people think that in the future the GPS will be as common as the mobile.They are becoming cheaper and more and more accurate.There are also new uses for the GPS.Perhaps they will become like watches. Everyone will have one and you will never be lost again.
61.According to the passage,with the help of the GPS,peopleA.
A.can't be lost in a new city
B.can't find their way in different countries
C.can learn about the culture of an unknown place
D.can spend the least time getting to another place
62.We can learn from the passage thatA.
A.there are three parts to the GPS
B.a GPS can't be put into a watch
C.a GPS can help you start your car
D.the GPS are becoming more and more expensive
63.The underlined word"They"in paragraph 3 means"D".
A.Receivers
B.GPS devices
C.Satellites
D.Ground stations
64.The passage is mainly aboutB.
A.the history of the GPS
B.the introduction of the GPS
C.the shape of the GPS
D.the three parts of the GPS
65.What can we infer(推断) from the passage?D
A.All GPS devices have electronic maps.
B.People in many countries will use the GPS for free.
C.The receiver of the GPS contacts at least five of the satellites.
D.The GPS will become more and more common in everyday life.
分析 这篇短文介绍GPS定位系统.它可以在20米内搜寻到你的位置,非常方便.有些装置还置有电子地图,并预测了为来的定位系统将会非常普及.
解答 61.A.细节理解题.根据第一段Well,next time take a GPS with you.This invention may be able to help you.It is a device which uses satellites to find the user's position可知借助GPS,人们能不迷失在一个新的城市;故选A.
62.A.细节理解题.根据第二段There are three parts to the Global Positioning System可知全球定位系统由三部分组成;故选A.
63.D.词义猜测题.根据第三段The third part of the system is a network of ground stations.They are all over the world.They control the satellites and make sure they are working well第三部分是一个地面站网络,他们遍布世界各地,他们控制的卫星,确保它们正常工作;可知意为地面站;故选D.
64.B.主旨大意题.根据第二段GPS,which means Global Positioning System,is a small radio receiver可知文章主要是关于介绍GPS;故选B.
65.D.推理判断题.根据最后一段There are also new uses for the GPS.Perhaps they will become like watches. Everyone will have one and you will never be lost again可知在日常生活中,GPS将变得越来越普遍;故选D.
点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
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