右面是小明同学整理的某皇帝施政政策要点。这些政策产生的结果应是 ( )
A:推进大一统格局
B:形成三国鼎立局面
C:加快江南经济开发
D:促进北方民族融合
读漫画,回答以下问题。
⑴What is this? ____ A. Thursday.
⑵What are these?____ B. Yes, it is.
⑶What is she wearing?____ C. They're shorts.
⑷Is this a new cap?____ D. She is wearing a blue skirt.
⑸What day is today?____ E. It's a new T-shirt.
计算:12°24′=____;56°33′+23°27′=____.
结合所学知识回答下列问题: