【文章內(nèi)容簡介】 ays sharing the data, talking about social issues, meeting adults as well as kids, and learning about other cultures. There seems to be everything on the network. Just like any other form of media ,the quality of this massive collection of information is unequal, and there is good information as well as rubbish. Networks hold great promise。 however ,it is also home to people who mean to hurt others or use their technical knowledge to steal from them. Although many Web pages can teach kids useful things, there are some other sites waiting to tempt young people who are immature and easily affected. By now, you may shake your head, but wait, let39。s try to put the problem into perspective. Generally it39。s safe for kids to use the internet. The number of sites considered harmful is between 1% and 3%, which shows about million other sides are interesting and educational. Besides, to stop children from using these services just because crimes are being mitted online would be like telling them not to attend to college because students may have accidents on campus. What can parents do to protect their children from those harmful sites? The simplest solution is the use of the program which block offensive sites. Such programs are set to screen out certain words likely to appear on unhealthysites, but many sites inappropriate to young people are clever at using words with double meanings that may appear harmless. What39。s more, not only do the programs fail to do the job satisfactorily, they also take away the decisive rule of parents in children39。s education. A child who downloads bad information or pictures can only be corrected by positive family influence. No filtering program is necessary for a child who has learned to say no to sites he knows are inappropriate for him. Today, when children are exposed to technology at a young age, parents often find themselves lagging behind in puter skills. Surprisingly, this may be the key to your environment. What is better way to learn about the internet than to do so alongside your children? They will almost likely pick it up more quickly than you do, of course, but you will have the chance to see, and take pride in, your child at work. You may search for information that interests your child together with him and get to know the friends he has online, just as you would get to know his other friends. Thoughtful parents would bine supervision with munication, which is the best way to take advantage of the internet as a resource while protecting their children.Follow their examples and have fun with kids on the Net. to a passage, is it wise for parents to keep their children away from the puter?Why?A) No. Because there are also millions of sites which are interesting and educational.B) No. Because their children have the right to use puter.C) there are many rubbish sites which may hurt children.D)Yes. Because children may bee addicted to puter games. the last two paragraphs parents are advised to_________.A) there are about the internet along with you.B) watch their children while they are at work.C) search for information for their children.D)make friends with their children. to the article, the best way to protect children as well as take advantage of the internet is_________.A) the use of the filtering programs.B)parents39。 mastery of puters skills.C)the bination of supervision and munication.D)forbidding them to make friends on the internet. of the following is closest, in minute to the underlying expression lagging behind.A) hide behind B)run behind C)walk behind D) fall behind.　 　 Passage Two When you go to university should to study for a degree, you have decided to study professionally, rather than as an amateur。so being a student is now your profession for at least the next four years. This involves a chance of attitude in many ways. Although the progress has been going on since you went to middle school, the biggest change is going to take place. Now, instead of taking several subjects, you have chosen one major subject because you find it interesting and worth explorin