ore ,make our life better.РWe are well aware of the role of modern transportation in our lives. Not too long ago, people endured great hardship in order to make a long journey. Moving heavy goods from one town to another involved hard labor. Today, we enjoy the convenience of various kinds of vehicles including ships, planes, and trains.which allow us to go wherever we choose and make our workload much lighter.Рlook at these close-up pictures.Try to guess what they show.Рcomputer mouseРcomputer keyboardРheadphonesРmobile phoneРbatteryРCDРThe development munication technology has affected the approach of contactingРMobile phone brings convenience to us,we are capatable of contacting each other when having dangerous things.It is no exaggeration to say that we cannot live without mobile phone