The computer has become an important part of people's lives. It has its own special words. One example is the word mouse. A computer mouse is not a small gray animal. It is a small device (设备) that you move around on a table in front of a computer. It was called a mouse because I it looked like a real mouse with a tail at one end.

    Using a computer takes some] training. People who are experts are sometimes called hackers. A hacker is usually a person who writes computer programs in a special computer language. But the word hacker is also used to describe a person who tries to steal information from a computer.

    Another well-known computer word is Google. It is the name of a popular search engine (搜索引擎). People use the search engine to find information about everything on the Internet.

    If you Google someone, you may find that person's name on a blog. A blog is a personal diary online. It might contain stories, pictures or songs on it. Some people add information to their blogs every day.

    Besides calling 120, here is what you should do when no one is around to help.

	If you get lost, you may stay where you can be seen clearly and try your best to have a rest. In a wide open area, make a colorful cross out of rocks to show where you stay.
	When you choke at home, make a sudden hit against the back of the chair. If you can't breathe after six tries, call120. Leave the telephone open until help arrives.
	Use your hand or a scarf, or any dry cloth you can find, and pushdown on the wound until the blood stops running, Don't put the cloth around your leg tightly(过紧),or you may lose your foot.
	When a fire breaks out, you must move close to the floor, Cover your mouth and nose with a wet towel, make you wet from head to foot if possible and find a safe place outside.

    Many years ago, when I was fresh out of school and working in Denver, I was driving to my parents' home in Missouri for Christmas. Is topped at a gas station(加油站) about 50 miles from Oklahoma City, where I was planning to stop and visit a friend while I was standing in line at the cash register(收款台), I said "Hello" to an older couple who were also paying for gas.

    The Internet can show you a lot of jobs all over the world if you want to find a job on the Internet, use the words "job search "or" employment" to find the websites you need.