The man who made the first call from a wireless phone is now 94 years old. The year was 1973. Martin Cooper operated a large, heavy, new communication device on a street in New York. The device was not physically connected to phone lines. But Cooper was able to make use of it—he called a technology business competitor. Fifty years later, the inventor says he hopes wireless phones can make life better, but he also expresses some worry. "My most negative opinion is that we don 't have any privacy anymore because everything about us is now recorded someplace," Cooper said. And he says he is concerned about how easily young people can link to harmful online materials on their mobile phones. Cooper spoke with The Associated Press from Barcelona, Spain, where he attended the Mobile World Congress (MWC), the biggest telecom industry trade show. Cooper received an award there for his lifetime of work. Cooper says he is an optimist. He believes the technology 's best days may still be ahead in areas such as education and health care. "Between the cellphone and medical technology and the Internet, we are going to cure disease," he said at the MWA.Cooper was working for Motorola when he used the DynaTAC phone to make a call in April, 1973. Things have changed greatly since then. But he said, "We had no way of knowing this was a historic moment." Cooper says there are still ways for the mobile phone to change. The first one he used weighed over 1 kilogram. Today, they are small. But he thinks one day, they will be more like a part of our body than something we hold. He said perhaps the human body could even power the phones. "The human body is the charging station, right?" he asked. The body makes energy from food, he argues, so it could possibly also power a phone. Instead of holding the phone in the hand, for example, the device could be placed under the skin. Cooper says he also hopes there could be more protection for Internet users concerned about privacy and for children. Speaking about privacy concerns, he said, "It 's going to get resolved, but not easily." He also said there should be a special Internet for children so they do not run into materials made for adults. Cooper said the idea for the mobile phone came from a communication device used by the comic book character, Dick Tracy. The imaginary detective has a wristwatch from which he could make phone calls. 1、 According to Paragraph 1, Martin Cooper ______.B.made the first wireless phone call in 1973C.invented a device physically linked to phone linesD.operated a new communication device 94 years agoE.used a wireless phone invented by his business competitor2、 According to Paragraph 2, Cooper thinks that mobile phones can easily ______.F.increase business competitionG.protect the privacy of young peopleH.expose children to harmful online materialsI.do something harmful to online technology3、 What does the underlined word "this" in Paragraph 4 refer to? ______J.The Mobile World Congress.K.Cooper 's contribution to health care.L.Cooper 's call via the DynaTAC phone.M.The award for Cooper 's lifetime of work.4、 Cooper thinks that the mobile phone in the future may ______.N.weigh over 1 kilogramO.be made of special metalP.use energy directly from foodQ.be powered by the human body5、 According to the last paragraph, what does Cooper suggest about protection for children? ______R.Providing a special Internet for them.S.Offering courses on privacy protection.T.Placing the mobile phone under the skin.U.Allowing them to browse materials for adults.