According to the science news website Futurism, 89 percent of US college students had used ChatGPT to write homework. Seeing the bad effect on student learning, many schools have banned (禁用) the robot. Thousands of scientific journals (期刊) have also banned writers from using ChatGPT, worrying that the false (错误的) information it creates will lead to junk science. Should we use ChatGPT or ban it when we do homework or academic study? Teens asked some of our readers.