In our online life, we need to use passwords frequently. We use passwords   21   e-mail, gaming sites, social networking sites, and other shopping sites.   22  the passwords most people use are not very    23   and  can easily be “broken"  by others. In fact，the most commonly used passwords are so simple that in requires very   24   effort to figure them out. Can you guess   25   the most commonly used passwords are? They are: Names of baseball teams, birth dates of a family    26   , the year of a special sports event, the random numbers like 156468,  27   the name of a friend, pet, favorite TV star, or band.

   There are programs   28   to break into people’s online accounts. These programs are   29   of trying every word in the English dictionary and the dictionaries   30   many foreign languages, in their effort to break into an account.   31  can even search words backward. Some will try   32   words or words that are followed by numbers,   33   school. These programs can test millions of passwords in a few minutes. So, you are advised to be careful about   34   passwords so that they will be hard to break .You are also advised not to make them   35 hard to remember. Meanwhile, you need to change them once in a while.