What is the third kind of virus besides computer viruses and biological viruses課件

1、Unit 8 What is the third kind of virus besides computer viruses and biological viruses? Cancer VirusesThe difference between computers viruses, biological viruses and cancer viruses Computer viruses computer viruses are called viruses because they share some of the traits of biological viruses . A c

2、omputer viruses pass from computer to computer like a biological viruses pass from person to person.The difference between computers viruses, biological viruses and cancer viruses Biological viruses A biological virus is not a living thing. a biological virus must inject its DNA into a cell. And it

3、will bring some benefits , too .The difference between computers viruses, biological viruses and cancer viruses cancer viruses Cancer viruses is harmful to humans. most are not curable. Jobs is a legend, but he died of cancer . In front of cancer, he seemed so helpless . So, I think cancer viruses i

4、s the third kind of viruses .How should we fight against cancer viruses First, dont smoke . Half of the people who smoke cigarettes die from smoking related diseases, many of them cancer. Second, pay attention to what you eat. The American Cancer Society suggests that people should eat at least five

5、 different vegetables and fruits every day, and this is an effective way to help cancerHow should we fight against cancer viruses Third, do sports . According to the study, walking every day can reduce the possibility of colon cancer by 46%. Fourth, to understand family history. Family history is the bigg