题目

— I’m fed up with this rain. How I wish to go hiking this weekend! — Forget it. I’m afraid the wet days will _____. A. hold up                           B. keep up                    C. take up                    D. turn up 答案：B下图中①、②、③为不同时期人类对地球形状认识的简图，下列排序最符合人类对地球形状认识过程的是(　　)A. ①→③→② B. ③→②→①C. ②→③→① D. ③→①→②