Question

20．are good for，fruits and vegetables，to keep fit，people，fresh（连词成句）
Fresh fruits and vegetables are good for people to keep fit．

Answer 1

分析 新鲜水果和蔬菜对人们保持健康是有好处的．

解答 答案：Fresh fruits and vegetables are good for people to keep fit．
通过观察所给的单词和短语，根据are good for，to keep fit，people可联想到句型：主语+be good for sb to do sth意为"某事对某人做某事有好处"，结合该结构可知所给的名词短语fruits and vegetables在句中作主语，其中形容词fresh可作定语修饰该短语，即主语为Fresh fruits and vegetables，people跟在介词for后面，套用结构，故答案为Fresh fruits and vegetables are good for people to keep fit．

点评 浏览所给单词联想到所学句型，所以平时还是要多记忆一些固定句型．