In the past ten years,great progress has been made in technology.It seems like everything has been reinvented(改造）and greatly improved. 1 It was invented over 100 years ago but remained unchanged until now. I'm talking about a blind walking stick.

　　2 However,it has seen no real improvement,until a blind engineer named Kursat decided to make a difference. He hoped his invention would help the blind.

　　He invented a smart stick called the WeWalk. The smart stick uses built-in speakers.and different sensors(傳感器） to warn about possible dangers.It helps blind people innavigating(導(dǎo)航) around their environment using modern technology,which makes their travel much easier.The stick is priced at around $500. It is less than half the price of most smart phones. Most people can afford it. 3

　　Kursat well understands the difficulties and challenges that the blind face. 4 He decided to put his technical knowledge into inventing something that would not only change his life,but also the life of many others.

　　“In these days,we are talking about flying cars. 5 As a blind person,when I am at the metro station, I don't know which is my exit.I don't know which bus is coming or which stores are around me.Now,that kind of information can be provided by the WeWalk,"he said.“I believe life of the blind will be much easier and safer.”

　　根據(jù)短文內(nèi)容，從所給的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。選項(xiàng)中有兩項(xiàng)為多余項(xiàng)。

　　A.That's because he is blind himself.

　　B. But there is one thing unlike them.

　　C. A stick can sometimes be important.

　　D. More attention should be paid to the disabled.

　　E. But the blind have been using just a simple stick.

　　F. This invention is going to change life a lot for the blind.

　　G.The white stick has been used by many blind people for a long time.

　　1._________   2._________   3._________   4._________   5._________

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