11

　　A．There are quite a few situations showing the problems of using GPS.

　　B．That means that it is not really telling you about going to the wrong place.

　　C．This space­based system is an important tool for civil and commercial users.

　　D．But sometimes it sends you to the wrong place or leaves you completely lost.

　　E．They also contain timing problems related to when GPS commands are given.

　　F．Advances in technology play an active role in modernizing GPS in many ways.

　　G．To make GPS well used，you need a good understanding of how drivers and GPS work.

　　答案　7.D　8.A　9.B　10.E　11.G

　　Ⅲ.短文改错(建议用时9′)

　　Last night，I have a strange but interesting dream.On the way back home，I came across child from another planet.His clothes seemed to be shining and looked beautifully.As I got close to him，he looked frightening and turned his back to me.Though I couldn’t speak his language，I used hand gestures to talk about him.A while later，he told me lots of amazing thing on his planet，which made me laughing.But suddenly，he began to cry，and then he explained he had lost his way but couldn’t find his home.Seeing that，I was offered to help him.His home had a telephone number like ours，so I asked him to call his parents using my phone.Soon before making the call he disappeared.

【（豫皖京闽粤通用）2017届高考英语北师大版一轮复习配套练习：book2 Unit 4《cyberspace》（含解析）】相关文章：

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