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rofits and money. PSAs To educate peopleStep 3 Does an advertisement tell people the plete truth?Up till now, we have learned something about advertisements and it is true that we can get a lot of information from advertisements. But do you think all the ads are trying to tell us the plete truth? 1. Ask the Ss to skim the text to get the author’s answer to this question “Does an advertisement tell people the plete truth?”Even if an ad does not lie, it does not mean it tells you the plete truth.2. Ask the Ss to have a more careful reading and ask the Ss to discuss how the writer support his ideaThe writer uses two examples to support his idea.3. Then ask the Ss: Does the writer make any conclusion about this part? Yes. “We must not fall for this kind of tricks.”4. According to the above three parts, explain to the Ss the structure of expository writing:(1) Even if an ad does not lie, it does not mean it tells you the plete truth Subject/topic(2) Two examples Supporting details(3) We must not fall for this kind of trick! ConclusionStep 4 Public service advertisements Ask the Ss to use the idea of expository writing to read part 3. Ask them to find the topic, supporting details and conclusion of this part.Subject/ topic—PSAs are meant to be helpful to educate people.Supporting details—examples (1) Deal with large social issues (2) A