Which of the following is NOT right according to the passage
选项:
A:Something can be done to keep our computers safe.
B:Even an e-mail attachment coming from a friend may not be safe to open.
C:We should not use our computers to defend ourselves from viruses.
D:Anti-virus software made some years ago is hard to protect today's computers.
发布时间:2024-06-04 18:53:37