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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 because there is ________ bread.
A．little B．a little C．few D．a few
10．The young man ________ work as a doctor. Look! He is walking to the hospital. ________ he is on his way to work.
A．may be; Maybe B．maybe; May be
C．may; Maybe D．maybe; May
二、完形填空
请先阅读下面短文，掌握其大意，然后从各小题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳选项。
Animals have their own ways to express (表达) themselves. They will try to 11 people when they are in danger and when they want people to help them. And they 12 together to help each other.
I was on a sheep farm in North America once. I was talking with my friend near a lake 13 one of the mother sheep came to us late in the afternoon. The sheep 14 sadly. My friend told me that 15 was wrong.
Together we followed the mother sheep back to the 16 . She rushed forward and 17 looked back to see if we were following her. The mother sheep led us to an old well (井) at 18 , and we heard the sad cries of her young baby. Maybe it 19 into the well when it was eating the grass. As we were 20 the baby, the mother sheep was watching us beside the well. It was not hard 21 . There was 22 water in the well and it was only six feet deep. In a few 23 the baby went to its mother. She looked very 24 . Watching them, we felt very happy. The mother sheep was so 25 .
11．A．ask B．tell C．give D．help
12．A．walk B．stand C．live D．sleep
13．A．where B．why C．how D．when
14．A．cried B．talked C．said D．smiled
15．A．anything B．something C．everything D．nothing
16．A．garden B．lake C．farm D．kitchen
17．A．hardly ever B．often C．seldom D．never
18．A．last B．once C．least D．first
19．A．jumped B．drove C．ran D．fell
20．A．looking B．watching C．saving D．calling
21．A．work B．fact C．job D．problem
22．A．many B．much C．no D．few
23．A．hours B．days C．weeks D．minutes
24．A．worried B．excited C．interested D．angry
25．A．nice B．kind C．friendly D．clever
三、阅读理解
What do students do in their free time Last Friday, we asked 50 students about their free time activities. Our questions were about exercise, reading extracurricular (课外的) books, using the Internet, doing housework and traveling.
We found that half the students do sports once or twice a week. More than fifty percent of the students read extracurricular books for about four hours a week. About sixty percent of the students surf the Internet twice or three times a week. Twenty students do housework every day.
★How often do you exercise ★How many hours do you read extracurricular books in a week
★How often do you use the Internet ★How often do you do housework
The last question is about traveling. None of the students have traveled since the outbreak (爆发) of COVID-19. They stay at home to protect themselves. And they hope the pandemic (疫情) will end soon so that they can go outside to have fun.
26．How many students exercise three or four times a week ________
A．About 5. B．About 15. C．About 25.
27．What percent of students read extracurricular books for about two hours a week ________
A．10%. B．20%. C．56%.
28．How often do most students use the Internet ________
A．2﹣3 times a week.
B．4﹣5 times a week.
C．Every day.
29．Why do the students stay at home instead of traveling ________
A．To relax.
B．To have fun.
C．To protect themselves.
30．Which of the following is TRUE according to the survey (调查) ________
A．15 students do housework every day.
B．The survey is about the students' study.
C．We invited 50 students to finish the survey last Friday.
What are PE lessons like in your country 31
Yuan Ningfei, 16, the UK
At my school, sports can be relaxed. You don’t have to go to a 40-minute class each week. Instead, we get to pick when we want to play sports. 32 So everyone can find their favourite sports. Our school has many amazing activities. We can take lessons in swimming, rock climbing, dancing and so on.
Niu Hanliang, 15, the US
In my school, every afternoon from 3: 30 to 5 pm is PE time. In PE classes, students usually just do some exercise, such as running or weight lifting (举重) in the gym, or playing. However, people in the US love sports a lot. 33 Every school has sports teams, for example, American football, baseball, basketball, tennis, and much more.
Emilia Jovic, 16, Serbia
In Serbia, our school classes include two hours of PE per week. Each part lasts 50 minutes. During these classes, we start with 10 minutes of running, then we play different sports like soccer, basketball, volleyball, or badminton. Many students at my school love physical activities very much. 34 Each training lasts two hours.
Different countries has different PE lessons. Most of the students like it very much. 35 Do you think so
A．They also join after-school clubs to get training five times each week.
B．There are many interesting outdoor activities.
C．Some students from all over the world tell something about their PE classes.
D．Sports team training is another way of PE.
E．There are also a great number of sports to choose from.
F．All the students don't have exams for sports.
G．Doing sports is a great way to stay active and improve our health.
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参考答案
题号 1 2 3 4 5 6 7 8 9 10
答案 C A B A A C D D A C
题号 11 12 13 14 15 16 17 18 19 20
答案 B C D A B C B A D C
题号 21 22 23 24 25 26 27 28 29 30
答案 A C D B D B A A C C
题号 31 32 33 34 35
答案 C E D A G
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