单项选择题
A．telling people to stop using power B．loaning the utilities money to buy power C．buying power and reselling it at low prices to the utilities D．buying the utilities
A．ask other students to write their papers B．draw pictures instead C．copy from reference books D．copy papers or large parts of papers from the Internet
A．printing and looking carefully at hundreds of papers on the Internet B．a search of many web pages and a comparison of words used C．asking the student where they got the information in the paper D．comparing all the papers which are turned in by the students