冀教版（2024）七年级下册（2024）Lesson 3 Good sleep for good health课前预习课件ppt

这是一份冀教版（2024）七年级下册（2024）Lesson 3 Good sleep for good health课前预习课件ppt，共28页。PPT课件主要包含了New words，Free talk，Yes I do，祈使句，Reading，adj困倦的，adj安静的，sleepy，强烈警告，肯定祈使句的形式等内容，欢迎下载使用。
1. T master sme new wrds and phrases.2. T understand the imprtance f getting enugh sleep fr gd health thrugh reading.3. T master the usage f imperatives.
A When yu sleep well, yu think and wrk well. （ ）B It’s a gd habit t g t bed at the same time every night. （ ）C A bright and quiet rm will help yu sleep well all night. （ ）
Read the sentences and tick the imperatives.
G t bed at the same time every night.Put yur phne away 30 minutes r mre befre bedtime.Dn't stay up late.Dn't spend t much time n yur phne befre ging t bed.
The imperative mst cmmnly functins as cmmands, instructins r rders. We d nt usually include the subject in an imperative clause.
A Cme n! B She is healthy.C Dn’t take phts! D G ahead!E The student went fr help. F Dn’t feed the animals!G He gt angry. H Listen t yurself.
refreshv. 使恢复精力；刷新sleepyadj. 困倦的；安静的spend v. 花（时间）；花（钱） ‖ n. 花销；花费brain n. 脑；智力；聪明的人calmv. 使平静；使镇定 ‖ adj. 镇静的；沉着的screenn. 屏幕；荧光屏awakeadj. 醒着 ‖ v. （使）醒来；唤起bedtimen. 就寝时间darkadj. 黑暗的；忧郁的 ‖ n. 黑暗；暗色rememberv. 记住；纪念risev. 起床；上升 ‖ n. 上升；增加wealthyadj. 富有的wiseadj. 明智的；英明的
Read the questins and give yur answers.
A Hw many hurs d yu sleep every night?B D yu sleep well?
I sleep fr abut seven hurs every night.
祈使句一般用来表示请求、命令、劝说、号召、警告等。在祈使句中，通常省略主语 yu，其肯定形式常以动词原形开头，否定形式是在动词原形前加 dn’t。祈使句句尾用句号或感叹号，读时用降调。为表示礼貌，可以在句首或句末加上please。句末用 please时，前面通常加逗号。
Grammar Fcus
1. 祈使句的构成① D型祈使句 肯定句:动词原形(+宾语) (+其他). 否定句:Dn’t +动词原形(+宾语) (+其他) Wear the schl unifrm n schl days, please.上学日请穿校服。Dn’t watch TV befre dinner.晚饭前不要看电视。
2. Be型祈使句 肯定句: Be+表语(+其他). 否定句: Dn’t+be+表语(+其他). e.g. Be careful next time. 下次要小心。 Dn’t be late fr schl! 上学不要迟到!
3. Let型祈使句 肯定句：Let+宾语+动词原形(+其他). 否定句：Dn’t+let +宾语+动词原形(+其他). 或 Let+宾语+nt +动词原形(+其他) Let’s have a rest. 咱们休息一下吧。Dn’t let him g swimming in the river. = Let him nt g swimming in the river.不要让他去河里游泳。
4 . 其他类型的否定祈使句(1) N+ v. -ing! / N+名词!e.g. N smking!禁止吸烟! N fishing!禁止钓鱼! N entry! 禁止入内! N phts !禁止拍照!(2) never 代替 dn’t来加强语气。 e.g. Never give up! 决不放弃!
Read the passage and write true (T) r false (F).
Getting enugh sleep is imprtant fr yur health. Sleep gives yu time t rest and helps yu feel refreshed in the mrning. When yu dn't sleep well, yu may feel sleepy all day. Yu can't think r wrk well. Smetimes, yu may have truble getting alng with thers. What can yu d t sleep well? Dn’t stay up late. G t bed at the same time every night. Dn't spend t much time n yur phne befre ging t bed. Yur brain needs t calm dwn.The light frm the screen can keep yu awake. Put yur phne away 30 minutes r mre befre bedtime. Keep yur rm dark and quiet. This will help yu sleep well all night. Remember the saying: early t bed and early t rise makes us healthy, wealthy and wise.
sleepy /ˈsliːpi/ adj. 困倦的；安静的feel sleepy 感到困倦
1. When yu dn’t sleep well, yu may feel sleepy all day.当你睡眠不好的时候，你可能会一整天都昏昏欲睡。
The warmth frm the fire made her feel sleepy. 暖洋洋的炉火使她昏昏欲睡。
My hmetwn is a sleepy little twn.我的家乡是一个宁静的小城。
Language pints
Read the passage again and answer the questins.
Peple may feel sleepy all day. They can’t think r wrk well. Smetimes, they may have truble getting alng with thers.
Dn’t stay up late.
G t bed at the same time every night.
Keep yur rm dark and quiet.
A Cme n! B She is healthy.C Dn’t take phts! D G ahead!E The student went fr help. F Dn’t feed the animals!G He gt angry. H Listen t yurself.
Read and cmplete the cnversatin.
Mary: Hi, Jack. Yu lk tired tday.Jack: I am tired!Mary: When did yu g t bed last night?Jack: _______ And I didn't sleep well.Mary: What did yu d?Jack: ________Mary: That’s t bad.Jack: What can I d t sleep well?Mary: ________ It keeps yu awake.
A. I played games n my phne.B. Dn’t spend t much time n yur phne.C.I stayed up late.
Read the sentences and tick the imperatives.
● G t bed at the same time every night. ● Put yur phne away 30 minutes r mre befre bedtime. ● Dn’t stay up late. ● Dn’t spend t much time n yur phne befre ging t bed.
Yur friend feels sleepy all the time. What can yu d t help him/her?
Read and cmplete the cnversatin.Mary: Hi, Jack. Yu lk tired tday.Jack: I am tired and sleepy.Mary: When did yu g t bed last night?Jack:___ And I didn't sleep well.Mary: What did yu d?Jack:___Mary: That's t bad.Jack: What can I d t sleep better?Mary: ___ It will keep yu awake.
祈使句最常用于表达命令，因其对象(即主语)是第二人称，所以通常省略主语而以动词原形开头。
祈使句句末使用句号或叹号来表示结束。
为表示礼貌，可在句首或句末加上 please。please 放在句末时，其前面通常加逗号。
G and wash yur hands. 去洗手。
Lk ut! Danger! 小心！危险！
Be quiet, please. 请安静。
动词原形 (+宾语) +其他成分.
Be+表语(名词或形容词)+其他成分.
Let+宾语+动词原形+其他成分.
Please have a seat here. 请这边坐。
Be a gd child! 要做一个好孩子！
Let me help yu.让我来帮你。
D型和Be型祈使句的否定式都是在句首加dn't(若句首有please,则在 please 后加 dn't)。
Dn't frget me! 不要忘记我！
Please dn't be late fr schl! 请不要上学迟到！
Let 型祈使句的否定式有两种："Dn't +let +宾语+动词原形+其他成分."和"Let +宾语 +nt+动词原形 +其他成分."
Dn't let him g. /Let him nt g. 别让他走。
用n开头，表示禁止的祈使句。
N phts! 禁止拍照！
Yur friend feels sleepy all the time.What can yu d t help him/her?
A:Hi，yu lk sleepy.When did yu g t bed last night.B:I stayed up late.A:Oh,that’s bad fr yur health.B:I knw.But what can I d t sleep well?A:Yu shuld g t bed at the same time every night. Dn't stay up late.Dn't spend t much time n yur phne befre ging t bed.B:Thank yu.I remember.
refresh v.使恢复精力;刷新 sleepy adj.困倦的;安静的spend v.花(时间);花(钱)n.花销;花费brain n.脑;智力;聪明的人 calm v.使平静;使镇定 adj.平静的;沉着的screen n.屏幕，荧光屏 awake adj.醒着 v.(使)醒来;唤起bedtime n.就寝时间 dark adj.黑暗的;忧郁的 n.黑暗;暗色remember v. 记住;纪念 rise /raɪz/ v.起床;上升 n.上升;增加wealthy adj.富有的 wise /waiz/ adj.明智的;英明的stay up late 熬夜 spend time n在……上花费时间calm dwn 冷静;(使)平静下来 keep awake 保持清醒put... away 把……移开，收起
基础性作业cmplete the activity bk f Lessn3 .拓展性作业Make a dialgue abut getting enugh sleep and then Share it with yur classmates.实践性作业在网络上搜查，目前世界上熬夜的人群类型，占比和危害，做成一张手抄报，并写出改善睡眠的合理建议。