Paragraph Four Tennis is a stop-and-go sport, often with moments of violent activity, requiring a sudden surge of heart action. It is a good sport for those in good physical condition who do suitable daily conditioning exercises, and who do not approach their limit of activity or endurance. 39. Tennis as a sport a______ only for right people.
【正确答案】：ask
【题目解析】：该段落描述的是乒乓球运动，有该段落内容可知，打乒乓球要求很严格，最好是身体强壮的人来打，所以不是所以人适合打乒乓球的。这段内容可以概括为，乒乓球作为一种运动要求合适的人打，题干中缺少了ask，“要求”的意思。
