Unit 3 Computers第第5 5课时写作课时写作栏目导航栏目导航预预 习习 感感 知知课课 时时 过过 关关课课 后后 拓拓 展展预预 习习 感感 知知课课 时时 过过 关关Computer plays a moreand more important role in our lives On one hand, computer has brought a lot ofconvenience to our daily lives On the other hand, computer trulybrings some problems Lets use computer correctly to improveour daily lives Nowadays, computer plays a more and more important role in our lives. What will happen to us if there is no computer? It would be very inconvenient for us. However, everything has two sides. So does computer. On the one hand, computer has brought a lot of convenience to our daily lives. We can use Google to search information for our articles, discuss with friends on QQ. On the other hand, computers truly brings some problems. Some children may be unaware of the bad effects and they are not able to control themselves, so they often spend hours on the computer games and chatting with friends about some useless topics. In addition, there is a lot of information online that is not good for students. Lets use computer correctly to improve our daily lives.课课 后后 拓拓 展展B C D B A usefulinventions quickly inthechangescalculatingto usebutwhat