题目

In American history, today’s grandparents used to grow up in a period of angry rebelling against their parents’ authority. As time goes by and they ease into the role of ___51___ family members, they may wonder: What happened to the generation gap? Is it gone or just in the ___52___? Or is it still present but mostly underground? A generation gap is commonly recognized to refer to differences between generations that cause conflict and ___53___ communication, creating a ‘gap.’ Sociologist William Safire provides a more positive definition.  Generation gap, according to him, c4．The young computer engineer wassupposed to break into the computer system several times．（推断）