资源简介

Unit 7 Ways to be healthy
Lesson 3
一、教学内容分析
本课时包含一篇说明文。语篇说明了睡眠对健康的重要性以及如何拥有好睡眠。强调了充足睡眠对健康的重要性。通过本课时的学习，学生将深刻了解睡眠对健康的重要性，同时了解如何才能睡得更好。并学会祈使句的基本用法，使用祈使句为朋友的睡眠问题提供建议。理解良好睡眠对健康的重要性，培养“早睡早起”的健康睡眠理念。
二、语篇分析
【What】 本课时包含一篇说明文。语篇说明了睡眠对健康的重要性以及如何拥有好睡眠。好睡眠能让人早上感到精神焕发。睡不好会整天困倦，思考和工作受影响，有时还难以与他人相处。提到如何睡好：不要熬夜，每晚按时睡觉；睡前别花太多时间玩手机，手机屏幕的光会让人清醒，睡前 30 分钟或更久把手机放一边；保持房间黑暗安静。最后记住 “早睡早起使人健康、富有和聪明” 这句谚语。 【Why】 本课时的语篇为学生提供关于良好睡眠的重要性及方法的健康知识指导。引导学生养成规律、健康的睡眠习惯。增进学生对睡眠与健康关系的理解。 【How】 本课时的说明文条理清晰，先阐述睡眠的重要性，再给出睡好的建议。解释睡不好的不良影响及睡好的具体做法的原理。引用谚语，增强说服力和文化内涵。 本语篇多使用祈使句时，如 “Go to bed ...”“Don’t stay up...” 等给出具体建议，语言简洁明了，便于理解。
三、学情分析
本课时的文章涉及睡眠习惯，学生对于谈论这一与生活密切相关的话题，可能会有较高的兴趣和参与度。本节课的话题贴近学生生活，同学们学习起来也比较容易。但本课时学习祈使句，内容较多，应该在讲解时注意学生的学习状态。
四、教学目标
通过本节课的学习，学生能够： 1.理解掌握本课时出现的重点单词、短语。 2.获取和梳理语篇内容，了解不良睡眠对健康的影响以及如何改善，完成阅读任务。 3.总结归纳祈使句的结构与用法，学会正确使用祈使句提出保持良好睡眠的方法。 4.理解良好睡眠对健康的重要性，培养“早睡早起”的健康睡眠理念。
五、教学重难点
【重点】 1.理解掌握本课时出现的重点单词、短语。 2.获取和梳理语篇内容，了解不良睡眠对健康的影响以及如何改善，完成阅读任务。 3.总结归纳祈使句的结构与用法，学会正确使用祈使句提出保持良好睡眠的方法。 【难点】 总结归纳祈使句的结构与用法，学会正确使用祈使句提出保持良好睡眠的方法。
六、教学活动设计
环节一：视频了解睡眠对健康的重要性，对话了解同学们的睡眠情况。（5 mins） 利用视频让学生了解睡眠对于健康的重要性，学生找出视频要表达的含义，引出本节课的话题。通过对话，了解学生们日常的睡眠情况。
教学活动 活动层次 效果评价
Students watch a video about the importance of sleep and then answer some questions. Students answer the teacher’s questions and talk about their sleep conditions. 学习理解之感知与注意 教师观察学生观看视频后，是否能正确回答视频要表达的含义。根据学生的表现了解学生存在的问题,并根据学生的回答情况给予帮助和鼓励 观察学生是否可以正确的表达自己的睡眠情况。
环节设计意图：通过观看视频，一是让学生了解睡眠对于健康的重要性,二是通过观看视频激发学生的学习兴趣。接下来通过师生讨论，继续深入话题，激活学生已有的生活经验，为接下来的学习做好铺垫。
环节二：围绕文本内容展开阅读训练。（10 mins） 学生进入情境，了解如何才能睡的更好，通读课文，判断正误，再读课文，回答问题。找出答案所在的句子。精读文章，找出文章中的重点单词和短语。
教学活动 活动层次 效果评价
Students read the passage quickly and write true (T) or false (F). Students read the passage again and find out ways to sleep well. Students read the passage carefully and identify the key words, phrases, and sentences within it. 学习理解之感知与注意、获取与梳理 应用实践之描述与阐释、分析与判断 观察学生是否可以快速进入情境，跟随老师的指引，进入本文的学习。 观察学生能否可以读懂文章，判断正误。对于困难的学生及时给予指导。 观察学生是否能正确找出答案，以此来判断学生是否真正理解文本。 观察学生是否可以快速从文本中找出本课的重点内容。 观察学生读音的准确性,并及时纠正 。
环节设计意图:学生进入情境，读文章，完成判断正误。再读文章，找出答案。不仅是对文章的深度理解，同时锻炼学生总结归纳、梳理文本的能力。
环节三：通过感知例句，总结归纳，掌握祈使句的基本用法。（15 mins） 学生根据所给例句，找出句子中的规则。通过总结归纳出祈使句的基本用法，并通过练习来巩固学习效果。
教学活动 活动层次 效果评价
Students read the given example sentences and answer the question “What type of sentence are they ” Students learn about the concept of the imperative. Students learn four different usage of imperative sentences. Students learn the answers to imperative sentences. Students tick imperative sentences from the given sentences. 应用实践之描述与阐释、分析与判断、内化与运用 观察学生是否可以发现例句中句子的开头的规律。 观察学生是否可以梳理出祈使句的用法，可以适当给予指导。 观察学生是否可以正确完成练习。在学生遇到困难时教师可进行适时的引导。
环节设计意图: 通过学生感知例句，重点关注句子的开头，总结归纳祈使句的基本用法。让学生通过观察例句，讨论祈使句的用法规则，然后总结归纳出四类祈使句的基本用法。利用选出祈使句练习，巩固所学知识。
环节四：完成对话练习口语，通过讨论解决问题，梳理本课内容，完成思维导图。（15 mins） 学生完成对话练习口语，学生小组讨论如何解决朋友的睡眠问题，把本课所学内容运用到实际生活中。总结本节课所学内容，文本中出现的主要知识点，共同梳理出本节课的复习思维导图。
教学活动 活动层次 效果评价
Students read and complete the conversation. Students read conversation in different roles. Student groups discuss how to solve good friends’ sleep problems with the help of the expressions that can be used from this lesson. 应用实践之分析与判断、内化与运用 观察学生是否能根据对话内容，选出正确的句子完成对话。 观察学生在分角色朗读时，发音是否正确，及时纠正。 观察学生在小组讨论中是否积极参与，并表达出自己的观点。 观察学生是否可以就朋友的睡眠问题，给出正确的建议，教师及时给予指导。
环节设计意图: 让学生根据对话内容，找出正确句子完成对话，不仅是对本课学习内容的巩固，同时锻炼了学生的情景交际能力，链接中考题中的情景交际题。分角色朗读锻炼了学生的口语能力。小组讨论，降低了学生解决实际问题的难度。
作业与拓展 基础型作业： 1. Read the passage fluently. 2. Recite the words and expressions in Lesson 3. 实践型作业： Design a “Bedtime Precautions” poster for family members using imperative sentences.
4 / 4(共23张PPT)
Ways to be healthy
第3课时
Unit 7
Lesson 3
通过本课时学习，学生能够：
1.理解掌握本课时出现的重点单词、短语。
2.获取和梳理语篇内容，了解不良睡眠对健康的影响以及如何改善，完成阅读任务。
3.总结归纳祈使句的结构与用法，学会正确使用祈使句提出保持良好睡眠的方法。
4.理解良好睡眠对健康的重要性，培养“早睡早起”的健康睡眠理念。
重点
重点
Learning objectives
重点
Watch and talk
1. How many hours of sleep do teenagers need at night
About ten hours.
2. What can we learn from the video
Good sleep is very important for us.
Talk and share
How many hours do you sleep every night
I’m not sure.
I think it’s about eight hours.
Maybe 7 hours.
Do you sleep well
Yes, I do.
Sometimes I can’t sleep well.
I sleep very well.
Sleep is very important for us. How can we sleep well Let’s go take a look together!
Read and write
Getting enough sleep is important for your health. Sleep gives you time to rest and helps you feel refreshed in the morning. When you don’t sleep well, you may feel sleepy all day. You can’t think or work well. Sometimes, you may have trouble getting along with others.
What can you do to sleep well Don’t stay up late. Go to bed at the same time every night. Don’t spend too much time on your phone before going to bed. Your brain needs to calm down. The light from the screen can keep you awake. Put your phone away 30 minutes or more before bedtime. Keep your room dark and quiet. This will help you sleep well all night.
Remember the saying: early to bed and early to rise makes us healthy, wealthy, and wise.
Good sleep for good health
Skim the passage and write true (T) or false (F).
Read and write
A When you sleep well, you think and work well. ( )
B It’s a good habit to go to bed at the same time every
night. ( )
C A bright and quiet room will help you sleep well all night. ( )
T
F
T
dark
Read and find
Don’t stay up late!
Go to bed at the same time every night.
Don’t spend too much time on your phone.
Put your phone away before bedtime.
Keep your room dark and quiet.
Ways to sleep well :
Read the passage and find out ways to sleep well.
Read and learn
Getting enough sleep is important for your health. Sleep gives you time to rest and helps you feel refreshed in the morning. When you don’t sleep well, you may feel sleepy all day. You can’t think or work well.
Sometimes, you may have trouble
getting along with others.
Good sleep for good health
refresh /r fre /
v. 使恢复精力；刷新
refreshed /r fre t/
adj. 神清气爽的
sleepy / sli pi/
adj. 困倦的；
feel sleepy 感到困倦
What can you do to sleep well Don’t stay up late. Go to bed at the same time every night. Don’t spend too much time on your phone before going to bed. Your brain needs to calm down. The light from the screen can keep you awake.
stay up late
熬夜
spend /spend/
v.花(时间）；花（钱）
spend time on
在……上花费时间
spend time/money (in) doing sth
花费时间/金钱做某事
brain /bre n/
n. 脑；智力；聪明的人
calm /kɑ m/
v. 使平静；使镇静
adj. 镇静的；沉着的
calm down 冷静；（使）平静下来
screen /skri n/
n. 屏幕；荧光屏
awake/ we k/
adj. 醒着的
v. (使)醒来；唤醒
keep awake 保持清醒
Put your phone away 30 minutes or more before bedtime. Keep your room dark and quiet. This will help you sleep well all night.
Remember the saying: early to bed and early to rise makes us healthy, wealthy, and wise.
put your phone away
把……移开，收起
bedtime / bedta m/
n. 就寝时间
dark /dɑ k/
n. 黑色；暗色
adj. 黑暗的；忧郁的
rise /ra z/
v. 起床；上升
n. 上升；增加
wealthy / welθi/ adj. 富有的
同义词：rich 反义词：poor
wealth n. 财富；财产
wise /wa z/
adj.明智的；英明的
wisely adv.明智地；英明地
remember/r memb (r)/
v. 记住；纪念
Read and answer
Read the sentences and answer the question.
Go to bed at the same time every night.
Put your phone away 30 minutes or more before bedtime.
Don’t stay up late.
Don’t spend too much time on your phone before going to bed.
What type of sentence are they
The imperative.
Grammar
The imperative most commonly functions as commands, instructions or orders. We do not usually include the subject in an imperative clause.
祈使句通常用作指令、指示或命令。祈使句通常不包含主语。
祈使句肯定形式常以动词原形开头，句尾加句号或感叹号，读时用降调。为表示礼貌，可以在句首或句尾加上please。句末用please时，前面通常加逗号。
Grammar
Grammar
Do型祈使句
肯定句:动词原形(+宾语) (+其他).
否定句:Don’t +动词原形(+宾语) (+其他).
e.g. Wear the school uniform on school days, please.
在上学日请穿校服。
Don’t watch TV before dinner.
晚饭前不要看电视。
Grammar
Grammar
2. Be型祈使句
肯定句: Be+表语(+其他).
否定句:Don’t+be+表语(+其他).
e.g. Be careful next time. 下次要小心。
3. Let型祈使句
肯定句：Let+宾语+动词原形(+其他).
否定句：Don’t+let +宾语+动词原形(+其他).
或 Let+宾语+not +动词原形(+其他).
e.g. Let’s have a rest. 咱们休息一下吧。
Grammar
Grammar
4. 其他类型的否定祈使句
（1）No+ v.-ing! / No+名词!
No smoking! 禁止吸烟! No fishing! 禁止钓鱼!
No entry! 禁止入内! No photos! 禁止拍照!
（2）never代替don’t来加强语气。
Never give up! 决不放弃!
Grammar
Grammar
祈使句的应答
回答祈使句的肯定形式一般用will，回答祈使句的否定形式一般用won’t。
—Please remember to bring your homework tomorrow.
—Yes, I will.
—Don’t be late for school again.
—Sorry, I won’t.
Grammar
Tick the imperatives.
Practice
A Come on!
C Don’t take photos!
E The student went for help.
G He got angry.
B She is healthy.
D Go ahead!
F Don’t feed the animals!
H Listen to yourself.
√
√
√
√
√
Read and complete
Mary: Hi, Jack.
You look tired today.
Jack: I am tired!
Mary: When did you go to bed last night
Jack: And I didn’t sleep well.
Mary: What did you do
Jack: __________ .
Mary: That’s too bad.
Jack: What can I do to sleep better
Mary: It keeps you awake.
A. I played games on my phone.
B. Don’t spend too much time
on your phone.
C. I stayed up late.
C
A
B
Work in groups
Don’t stay up late!
Go to bed at the same time every night.
Don’t spend too much time on your phone.
Put your phone away before bedtime.
Keep your room dark and quiet.
Your friend feels sleepy all the time. What can you do to help him/her
Discuss in your group.
Structures and expressions
Grammar
Key words
2
3
1
Summary
with let
spend, brain, calm, screen, awake, dark, remember, rise, wise
stay up late
spend time on
calm down
keep awake
put ... away
Summary
with do
with be
Imperatives
Homework
基础型作业：
1. Read the passage fluently.
2. Recite the words and expressions in Lesson 3.
实践型作业：
Design a “Bedtime Precautions” poster for family members using imperative sentences.
Bye-bye!

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