3．cheat C．a written or spoken remark giving an opinion

　　4．innocent D．ask for information or advice from sb. because it is their job to know sth.

　　5．trick E．to help sell a product, service, etc. or make it more popular, for example by advertising

　　6．persuade F．an unfair thing you do to harm someone or get an advantage for yourself

　　7．cure G．treat someone dishonestly

　　8．consult H．not guilty of a crime

　　答案：1～5　ECGHF　6～8　ABD

　　Can you think of a good slogan for each ad?

　　答案：1.Never delete green, keep it forever!

　　2．Taiwan, China!

　　Ⅰ.Fast­reading

　　1．Skim the text and then we know that there are two main types of advertisements. They're commercial_advertisements_and_public_service_advertisements_(PSAs)．

　　2．The author wrote this article in order to help_us_get_a_comprehensive/thorough_understanding_of_ads.

　　Ⅱ.Careful­reading

　　(Ⅰ)Read the text and decide whether the following statements are true (T) or false (F)．

　　1．Ads mainly use written words to persuade people to buy a product or service.( F )

　　2．Commercial ads have more effect on society than PSAs.( F )

　　3．Some skilful methods used in commercial ads are hard to recognize.( T )

　　4．Not all ads are run free of charge.( T )

　　5．Not all PSAs deal with social concerns.( T )

　　(Ⅱ)Fill in each blank with no more than three words according to the text.

Introduction We get used to advertisements as they (1)appear wherever we go. They can be found in places like newspapers, magazines, the Internet, radio and television to persuade people into (2)buying/purchasing a product or service, or into believing in an idea. Two types

of ads Commercial

ads PSAs Characteristics ▲Be not free for (3)advertising a product or service.

▲Use skilful methods to promote things.

▲Play tricks on people and often don't tell people (4)the_truth. ▲Be (5)free_of_charge to educate people about health, safety, or any other problem that affects public welfare.

▲Use some of the same methods including attractive pictures and clever language to serve the public.

▲Aim to teach us and help us to (6)lead_better_lives.

▲Be (7)beneficial_to the public instead of fooling them.