AI 引导讲解 · 小津AI tutor “Xiaojin”
答错不直接给答案:小津按「审题 → 方法 → …」分步提示,可以“再选一次”,想看时再展开完整解析。Get it wrong and Xiaojin doesn’t just hand over the answer: step-by-step hints (read the question → method → …), a second try, and the full explanation when you want it.
逐项解析 · 标出“坑”Option-by-option traps
每个错误选项都标注常见陷阱(如“只验一部分”“临界粗估”),并附分步解法与关键数据。Every wrong option is tagged with the trap behind it, plus a step-by-step worked solution with the key numbers.
练习册与智能练习Practice book & smart sets
按章节和知识点组织的练习册,配方法卡;还有智能推荐、自适应一组和自定义练习。A practice book organised by chapter and topic with method cards, plus recommended, adaptive and custom sets.
限时模拟考试Timed mock exams
全真模拟卷与小模考,按部分组卷、限时作答,熟悉真实考试节奏。Full-length and mini mocks, split into sections and timed, so you learn the real pace.
错题本 + 间隔复习Mistake book + spaced review
错题自动收录,按“未掌握 / 今天到期 / 已掌握”管理,到期提醒你回来复习。Wrong answers are collected automatically and tracked as not mastered / due today / mastered, with spaced review.
掌握度 · AI 学情分析Mastery map & AI analysis
按考纲逐个知识点显示薄弱、提升中、扎实;AI 汇总近 30 天的作答,找出错误规律。A per-topic mastery map (weak / improving / solid) and an AI report on the last 30 days that looks for patterns in your mistakes.