题目

As an old saying goes, friendship is like money: easier made than ______. A. kept              B. to be kept             C. keeping            D. having kept 答案：A 解析: 略下列四幅图是同纬度的四个地区,其中气温日较差最小的是A. B. C. D. B 【解析】试题分析:于海陆性质差异大,地吸、放热,海洋热、放热慢因海洋地阴时气温日较差应最小．故选B符合题意。