Unit 3 Keep Fit 闯关复习手册（含答案）

Unit 3 Keep Fit 闯关复习手册 Part 1 核心语法训练场（3页） 第一关：健康守护情态动词 语法法典 ┌———�———�———� │ 情态动词 │ 健康场景应用 │ 典型错误预警 │ ├———�———�———� │ should │ 建议（轻度义务） │ He should to drink... │ ├———�———�———� │ had better │ 紧急建议（含后果暗示） │ You'd better don't... │ ├———�———�———� │ must/mustn't│ 强制健康规定 │ Must I take medicine │ ———�———�———� 阶梯训练 1.基础应用： You _____ wash hands before meals. (should) 2.语境转换： "Drink more water!" → 委婉建议：_____ 3.培优挑战： If I _____ (be) you, I _____ (go) to bed before 11 pm. （答案：were; would go） 第二关：频率副词健康监测 能量值对照表 副词 频次星级 句型位置规则 always 实义动词前/be动词后 hardly ever 助动词与实义动词之间 错题急诊室 典型错误： She always is late. → She is always late. I go usually swimming. → I usually go swimming. Part 2 健康词汇矩阵（2页） 第三关：营养词库分类挑战 词族能量站 [运动类] 低强度：jogging, yoga 高强度：weightlifting, aerobics [饮食类] 推荐食品：whole grains, low-fat dairy 限制食品：processed food, carbonated drinks 词形变换实验室 原词 形容词 动词化 反义组合 health healthy heal illness nutrition nutritious nourish malnutrition Part 3 技能突破营地（3页） 第四关：健康建议信写作工坊 黄金结构模板 Dear [Name], ① 健康现状描述： I noticed you often _____ (熬夜). ② 科学建议（3条）： It's vital that you _____ (should+原型) Avoid _____ (动名词) too much ③ 鼓励结尾： Let's make a _____ (健康计划) together! 真题改编 补全建议信： "_____ (not eat) fast food more than once a week would help _____ (keep) fit." （答案：Not eating; keep） 第五关：健康数据解读 BMI计算实战 1.计算题： Tom体重52kg，身高1.6m，BMI=_____（保留一位小数） 2.对话填空： A: My BMI is 26. What _____ I do B: You _____ cut down on sugar. （答案：should; should/must） Part 4 培优竞技场（1页） 终极挑战：健康危机处理 综合应用题 情景：学校食堂推出新菜单，包含高糖饮料和油炸食品 任务要求： 1.用3种不同情态动词写反对理由 2.提出2条科学替代方案 3.使用"not only...but also"句式总结 示范答案 Students mustn't consume excessive sugar. 闯关测试 一、单项选择 1．I think eating more _____ food can help you keep _____. A．health; health B．health; healthy C．healthy; healthy 2．The old man often takes a walk alone, but _____ with his dog. A．sometimes B．sometime C．some time 3．Jane is kind. She _____ helps her little sister _____ maths. A．never; with B．always; with C．often; on 4．Walking exercise _____ boring at times but it’s fun to walk early on a sunny morning. A．may be B．is never C．almost 5．_____ is good for me because it keeps me healthy. A．Swimming B．Swim C．Swimmer D．Swims 6．Tina gets up early every morning, so she is _____ late for school. A．often B．always C．never D．usually 7．My sister goes shopping _____. A．three time B．three C．three time every month D．three times a month 8．—_____, is this your volleyball — Yes, it is. You’re welcome B．Thank you C．Don’t worry D．Excuse me 9．Jack needs to go to the supermarket now ... ...