问答题

Dozens of websites offer essay writing services, which students can use to help with their studies. They can get anything from tips on how to answer the essay question, right through to a full model essay. However, more and more students are using these services to copy a model essay and pass it off as their own, which is plagiarism(剽窃).Write an essay in about 180 words to express your opinions on how to solve the problem of plagiarism. Write the essay on the answer sheet.