10.Directions: Write a paragraph of around 80 words explaining that companies should do more than invest in anti-virus software to protect against computer viruses. The following points may help you to organize your writing. And the first sentence has been written for you.

　1) It is true that anti-virus software may protect against viruses.
　2) Employees may use office computers for personal amusement.
　3) Education of the employees is the key.

　To protect against computer viruses, companies should do more than invest in anti-virus software on the desktops, servers and email gateways.

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