Most spyware just collects information about your surfing habits for advertising reasons. But some spyware can be more powerful and will often make your computer{#blank#}1{#/blank#}. "Adware" is a type of spyware which is advertising software. It makes advertisements appear now and then while you{#blank#}2{#/blank#}the Internet. It is not dangerous but very annoying(令人心烦的).

    If this is the first time you've heard of spyware, you've probably got some on your PC. Surveys have found that 90% of computers have several pieces of spyware on them. And spyware will stay on your computer for a long time,{#blank#}3{#/blank#}collecting information and sending it back to its owners.

    There is some anti-spyware software that will remove most of your{#blank#}4{#/blank#}. However, some anti-spyware software is spyware itself, so be careful.

    Long, long ago there lived an old man. He had a very big orange tree in his garden. On the tree there were many fine{#blank#}1{#/blank#} .

    One day the old man found one of the oranges was bigger than the others. It was as big as a watermelon. So he took the biggest orange to the king. The king was very{#blank#}2{#/blank#} and gave the old man a lot of money for it.

    {#blank#}3{#/blank#}a rich man heard of this, he said to himself, "It is only an orange. Why did the king give him so much money? If I take my gold cup to the king, he will give me much more money for it. "

The next day when the king got the gold cup, he said to the rich man, "What a beautiful cup! l'll give you {#blank#}4{#/blank#} for it. Please take the great orange. "