Английский для бакалавров. Макеева М.Н - 36 стр.

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36
Do’s Don’t
Stay calm. A computer virus isn't dangerous until
the infected email is opened. Delete any mail you
think is infected and empty your deleted items
folder.
Don't open any attachment you are not sure about,
even if you have a virus scanner.
Read the email. Check that the contents of the
message makes sense before you open any
attachments.
Don't forward any attachment to a friend without
being sure it is safe.
Look out for hoaxes. There are many emails
warning of "the most destructive virus ever", but
often these viruses don't exist.
Don't send an email about a "new virus" without
checking it out. Visit sites like vmyths.com to
check for hoaxes.
Send any email you think is infected to an anti-
virus company (you may have to own a copy of
their virus software). They can tell you if it is a
virus or not.
Don't send mail that may contain a virus to anyone
other than official virus companies. Mail filtering
systems will probably delete it anyway.
Make sure you have a recent backup of your most
important work.
Don't place backup floppy disks in your computer
if you think you have a virus, as the virus could
spread to your backups.
If you get a computer virus you'll need to use a
virus scanner to get rid of it.
Don't be blasé just because you have a virus
scanner. You will still need to keep your eyes
open in case a new virus emerges.
Grammar tip
Check
Definition: Imperatives are verbs used to give orders, commands, warning or
instructions, and (if you use ‘please’) to make a request.
To make the imperative, use the infinitive of the verb without ‘to’.
To make a negative imperative, put ‘do not’ or ‘don't’ before the verb:
For example:
• Don't go!
• Do not walk on the grass.
For more on this, turn to ‘Grammar Reference’.
Grammar tip
Check
Two main tenses are used to tell about viruses:
the Past Continuous, e.g. While a computer was reading an infected floppy disk … .
the Past Simple, e.g. The "ILOVEYOU" virus infected up to 45 million computers.
Can you explain why these different tenses are used?
For more on the Past Continuous and Past Simple, turn to ‘Grammar Reference’.
10. Read our survival guide.

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