问题
选择题
When it comes to “empty-nest syndrome(综合症)”, parents are advised to _______regular contact with children through phone calls, emails, texts or video chats.
A．substitute
B．sacrifice
C．associate
D．maintain
答案
答案：D
题目分析：说到“空巢综合症”，建议老人与子女“保持”经常的联系。substitute: 替代；sacrifice: 牺牲；associate: 联系。maintain contact with sb. 与……保持联系。故D项正确。