教师对教学目标、教学任务、教学材料、教学方法等内容的反思是（）
A、自我指导型反思
B、任务指向型反思
C、教学中反思
D、教学后反思
参考答案：B
Scientists have created the world's smallest "snowman", ____ about a fifth of the width of a human hair. [ ]
A. measuring
B. measures
C. measured
D. to measure
天津蓝印户籍人员能否参加天津居民养老保险？
