依据“遵循课程标准,关注终端评价”“聚焦核心内容,切合学生实际”“难度分层设置,促进个性发展”“充分发掘功能,融合三维目标”的设计原则,遵循“主题与目标确定”“题型与题量设计”“备用题源检索”“课时作业编制”“难度与功能评估”的规范流程,设计“离子反应(第一课时)”的课时作业。 According to the “follow the curriculum standards, focus on the terminal evaluation ” “focus on the core content, in line with the actual difficulty of students ” Follow the “” theme and goal to determine “” type and problem design “” alternative title source retrieval “” classworking “” difficulty and function evaluation “standard process, design Response (first class hours) ”class hours homework.