题目

I’m writing this letter ________ my mother, who wants to thank you for your nice gift. A. in order to                          B. in behalf of C. on behalf of                         D. in terms of 答案：C 解析: 略下图为亮亮在学习世界某区域时绘制的思维导图，据此完成下面小题。【1】根据思维导图判断，该区域①是A.中东B.欧洲西部C.东南亚D.撒哈拉以南非洲【2】图中“②”应填A.地形以平原为主B.山河相间，南北纵列分布C.地势南高北低D.地势西高东低，呈阶梯状分布