[填空题]The entertainment profession, or show business, attracts many young people.{{U}} (36) {{/U}}, only very few can hope to become famous and prosperous.{{U}} (37) {{/U}}is not enough because show business is as{{U}} (38) {{/U}}as any other business. Without a good manager, a performer can never hope to succeed.{{U}} (39) {{/U}}is important in this business, too. The best tailor in the world will never be a success if he makes old-fashioned clothes. In exactly the same way, a performer must change his "act" in order to{{U}} (40) {{/U}}the taste of the moment. This is true for actors and dancers, but most of all for singers. "Pop" stands for "popular" , and a pop singer has to work very hard to become{{U}} (41) {{/U}} He must either give the public what they already want, or he must find a new way of singing that will attract their{{U}} (42) {{/U}}.Even when he has succeeded, and his records are sold everywhere, he cannot{{U}} (43) {{/U}}.Then he must work harder than ev