1、3.Many products for sale seem to scream at us, "Buy me! Buy me!" Advertising is a big business in our world with many products competing for our attention. Think of the last time you bought clothes. You probably noticed the variety of colors, patterns, fabrics and brands you could cho
2、ose from. Which kind of soft drink would you like to have today or what kind of computer do you want? Advertisers are skilled in the art of making their products look the best to appeal to our senses. But products aren't always what they seem. Sometimes advertising is deceptive and a
3、s consumers ,we must be careful about what we choose to buy. It is important to learn to compare products and identify our purpose in purchasing the things we need. But the good thing about advertising is that it helps people to make decisions and refine their choices. In the United S
4、tates, the Ad Council creates timely public service messages to the nation. Their purpose is to raise awareness of public problems that citizens can respond to. Inspiring ads cause individuals to take action and even save lives. Pollution in America, for example has been reduced over
5、the years because of the creative Public Service advertisements that the council provides" Please, please don't be a litter bug, 'cause every 'litter bit' hurts." Many families have taught their children to place litter in the trash can in response to this catchy phrase, which has aff
6、ected generations as each succeeding generation has taught their children not to litter. 4.Nature imposes difficult conditions upon the earth from time to time . The tornado and forest fire destroy natural resources ,homes and other structures ,and very often harm or kill people . Te
7、chnological tragedies happen with little or no warning as we see trains crash and airplanes fall from the sky shortly after take-off. As tragic as calamities are , they seem to bring out the best in human nature . people trained in emergency care arrive at the scene and begin assistin