Read the following text and fill each of the numbered spaces with ONE suitable word．
Write your answers on ANSWER SHEET 1． The most obvious purpose of advertising is to inform the consumer of available products or services．The second (31)＿＿＿is to sell the product．The second purpose might be more important to the manufacturers than the (32) ＿＿＿．The manufacturers go beyond only telling consumers about their products．They also try to persuade customers to buy the(33) ＿＿＿by creating a desire(34) ＿＿＿it．Because of advertisement，consumers think that they want something that they do not need．After buying somethin9，the purchaser cannot always explain why it was(35) ＿＿＿．
Even(36) ＿＿＿—the purchaser probably does not know why he or she bought something，the manufacturers (37) ＿＿＿．Manufacturers have analyzed the business of(38) ＿＿＿and buyin9．They know all the different motives that influence a consumer’s purchase--some rational and(39) ＿＿＿emotional．Furthermore，they take advantage of this(40) ＿＿＿．
Why(41) ＿＿＿so many products displayed at the checkout counters in grocery stores? The store management has some good(42) ＿＿＿．By the time the customer is(43) ＿＿＿to pay for a purchase，he or she has already made rational，thought—out decisions(44) ＿＿＿what he or she needs and wants to buy．The(45) ＿＿＿feels that he or she has done a good job of choosing the items．The shopper is especially vulnerable at this point．The(46) ＿＿＿of candy，chewing gum，and magazines are very attractive．They persuade the purchaser to buy something for emotional，not(47) ＿＿＿motives．For example，the customer neither needs nor plans to buy candy．but while the customer is standing，waiting to pay money，he or she may suddenly decide to buy(48) ＿＿＿．This is exactly(49) ＿＿＿the store and the manufacturer hope that the customer will(50) ＿＿＿．The customer follows his or her plan．
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