题目

近年来有多个品牌的手机电池曾发生爆炸事故，公众对电池安全性的重视程度越来越高，燃料电池作为安全性能较好的一类化学电源得到了更快的发展。 一种以联氨(N2H4)为燃料的环保电池工作原理如图所示，工作时产生稳定无污染的物质。下列说法不正确的是（   ） A．M极生成氮气且电极附近pH降低 B．负极上每消耗1molN2H4，会有4molH+通过质子交换膜 C．正极的电极反应式为：O2+4H++4e-=2H2O D．d口流出的液体是蒸馏水 According to IBM, computers will see, taste, smell, feel and hear things better in the next few years.Can you feel your clothes on your computer when shopping online? This could be _______ in five years. But that's just one of the _______ that computers can do. It can also do other things that you can't even _______ .It is amazing. IBM says computers will _______ be able to give us information about the sounds they hear. For example, a new computer may tell the parents why their baby is crying. From the baby's sounds, you know whether your child is sick or just feels _______. That kind of information will be _______ to parents.It has other functions. For example, computers will also help to_______ your health in another way. If you blow on your computer, it will _______ your breath. Then it can tell you whether you need to see a _______. IBM scientists are also developing a computer that can give good________ on what you should eat. It will be able to help make better food. It can also be the best for your health.【1】A.possibleB.difficultC.beautifulD.active【2】A.thingsB.waysC.opinionsD.ideas【3】A.achieveB.forgetC.imagineD.succeed【4】A.everB.nearlyC.neverD.already【5】A.relaxedB.lonelyC.pleasedD.excited【6】A.carefulB.friendlyC.usefulD.peaceful【7】A.know aboutB.give awayC.take awayD.worry about【8】A.recognizeB.preventC.createD.bring【9】A.teacherB.doctorC.artistD.magician【10】A.planB.adviceC.workD.smile