Taking the text into consideration, it can be concluded that

In the text, "looking for" (l.10) means

In the text, "do" (l.17) refers to

In the text, "drudgery" (l.40) means

According to the text, judge the following items.

People should care less for security problems.

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Usual clear texts are liable to be intercepted.

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Not always is it difficult to get into a network.

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There's no difference between what happened with former industries and the present thefts taking place in computer networks.

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"pretends" (l.4) means intends.

Based on the text above, judge the following items.

Some audiovisual materials are required for the presentation of issues to be dealt with