Garret read the following paragraph during his research on airplane travel. (1) Airplane travel has increased significantly in the past decades. (2) More than three-quarters of all domestic flights are taken for leisure purposes. (3) The money spent on all airplane travel, both domestic and international, totaled over 600 billion dollars in 2013. (4) Unlike in the past when airplane travel was very costly, most Americans consider airplane travel a viable option when they are planning a trip.

How is the author’s purpose conveyed in the passage?

A.
The author uses the first sentence to inform readers of the central idea that people travel by airplanes more now than in the past.
B.
The author uses the second sentence to entertain readers by describing various leisure opportunities.
C.
The author uses the third sentence to entertain readers by including a shocking fact about the total amount spent on airplane travel.
D.
The author uses the fourth sentence to persuade readers to travel by airplane on their next vacation.

Which of these number is main idea? ! (1) propaganda is information that is methodically spread in order to persuade audiences to adopt a certain opinion. (2) advertising is an ever-present form of propaganda in our lives. (3) four common propaganda techniques are present in the advertising we see and hear every day. (4) one technique, the testimonial, involves having a well-known person appear on behalf of the product being sold. (5) advertisers assume, for example, that if we admire a sports star, we’ll want to eat the cereal he or she endorses. (6) another common propaganda technique, the bandwagon, makes us want to be “one of the gang.” (7) “everybody’s switching to . .” “don’t be left out . . ” and “all across america, people are discovering . . ” are phrases that signal a bandwagon approach. (8) the plain-folks propaganda technique is especially popular on tv. (9) in plain-folks commercials, we see and hear “regular” consumers talk about their experience using a certain phone company, headache remedy, or brand of coffee. (10) the fourth common propaganda technique, the transfer, encourages us to link two unrelated objects in our mind. (11) when a powerful cougar prowls around a shiny new car, for example, advertisers hope we will transfer our sense of the wild cat’s speed, strength, and beauty to our vision of their product.