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初中英语外研版 (新标准)八年级下册Unit 2 We have not found life on any other planets yet教案
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这是一份初中英语外研版 (新标准)八年级下册Unit 2 We have not found life on any other planets yet教案，共6页。教案主要包含了教学目标，教学重点及难点，教学准备，教学过程，板书设计等内容，欢迎下载使用。
教学设计
一、教学目标
1.掌握词汇：earth, mn, news, planet, reach, yet, prject, n prblem, latest, n, space travel, nne
2. 掌握句型：
I’ve just made a mdel spaceship fr ur schl prject.
Has it arrived yet?
Astrnauts have already been t the mn.
3. 能够理解关于太空旅行的对话并识别特定信息。
4. 能用already，just，yet及现在完成时谈论有关太空旅行的最新事件。
5. 能够辨认并掌握句子的重音。
6. 能够听懂关于太空探索的话题并提取信息。
7. 培养学生对天文知识的兴趣和对未知事物的探索精神。
二、教学重点及难点
重点：1. 掌握重点词汇和句型。
2. 能够正确朗读对话。
难点：能够运用含有现在完成时的语句进行简单的交际。
三、教学准备
1. 多媒体设备和课件。
2. 教学光盘。
四、教学过程
Step Ⅰ Warming-up
T let Ss watch the vide abut the slar system, then answer the fllwing questins.
D yu knw abut ur slar system?
Hw many planets g arund the sun?
Which planet is the third planet frm the sun?
Which planet is the furth planet frm the sun?
设计意图：通过呈现八大行星的英文歌曲视频，让学生在欣赏歌曲的同时，初步了解宇宙相关知识。再通过问题的讨论与思考，进一步引出本模块话题，激发学习兴趣。
Step Ⅱ Pre-listening
New wrds
1. T let Ss learn the new wrds.
T: Firstly, let’s learn the new wrds tgether.
2. T encurages Ss t say smething abut these wrds.
e.g. earth
T: The Earth is a planet and it ges arund the Sun. It is a beautiful blue and white ball when it is seen frm space and it has the envirnment with air, s peple and things can grw.
设计意图：在学习完本单元重点词汇之后，让学生利用新词说句子，加深对新词理解。
Activity 1
1. T lets Ss read the wrds in Activity 1 and try t understand them.
T: Wh wants t read ut the wrds in Activity 1 t the whle class? Hands up please.
2. T chses sme Ss t read these wrds and crrect their prnunciatin.
设计意图：听录音前重点记忆新词，为下一步的听做好准备。
3. T lets Ss listen t the recrding fr the first time and pay attentin t the wrds they hear.
4. T lets Ss listen fr the secnd time and finish Activity 1.
5. Ss check their answers in pairs.
6. T plays the recrding fr the third time fr Ss t check if their answers are crrect.
设计意图：带着任务去听材料，培养学生听取关键信息的能力。
Activity 2
1. T lets Ss read the sentences in Activity 2 and predict befre listening. And then T asks several Ss t share their predictin and write them n the blackbard.
2. Ss listen t the recrding fr the first time and try t understand the dialgue.
3. T plays the recrding again. Ss write their answers.
4. T checks their answers and guides Ss t share their answers.
5. Ss listen and repeat.
设计意图：活动2为听力基本能力训练，为学生能更好地理解下一环节中的对话内容作铺垫。
Step ⅡI While-listening
1. Ss listen t the recrding in Activity 3 fr the first time and try t answer the questin.
Has the spacecraft reached Mars?
2. Ss listen t the cnversatin again and finish the fllwing tasks.
(1) What are Daming and Tny talking abut?
A. Mdel spaceship.
B. The news abut the trip t Mars.
C. Schl prject.
(2) Mark T(True) r F(False).
The spaceship’s trip t Mars tk several years. ( )
They have discvered life n Mars. ( )
Astrnauts have already been t the mn. ( )
3. T plays the recrding fr the third time. Ss check their answers.
设计意图：让学生带着问题听，提高学生听的效率。通过听力练习题目的设置，让学生获取对话主要内容和一些细节信息，锻炼学生快速获取信息的能力。
Step IV Pst-listening
Activity 3
1. Ss read the cnversatin in Activity 3 and answer the questins.
设计意图：让学生阅读对话，回答一系列问题来掌握对话细节。
2. T asks Ss t rle play the cnversatin.
设计意图：通过角色扮演，让学生复述对话，巩固对对话的理解，为下面完成活动4做准备。
Language pints
T explains the language pints in the cnversatin.
1. What are yu up t？
be up t 表示“从事于, 忙于”，后面接名词、代词或-ing形式等。
2. I’m nt sure hw t make it.
be sure后可接从句、动词不定式或“介词 f/abut+ 名词/代词/动名词”，表示“对……确信、有把握”。
3. Have yu heard the latest news?
latest adj. 最新的，最近的，最迟的（常放在名词前作定语）
latest也可作adv. 意为“最迟地；最近地”。
4. Has it arrived yet?
【拓展】arrive, reach与get的区别：
arrive 不及物动词，arrive in+大地点，arrive at+小地点
reach 及物动词，reach+地点名词
get 不及物动词 get t+地点名词
【拓展】just, already与yet的区别：
just意为“刚刚，正好”，常用于肯定句，放在have/has之后，过去分词之前。
already意为“已经，就……”，常用于肯定句，放在have/has之后，过去分词之前。
yet意为“还（没），尚（未）”，常用于疑问句或否定句，用于句末。
5. S have they discvered life n Mars?
【拓展】discver, find ut, invent, lk fr与find的区别：
discver 发现。表示“偶然”或“经过努力”发现客观存在的事物、真理或错误。
find ut 查明；弄清楚。强调经过一番努力或询问而查明某事或真相。
invent 发明。强调创造出以前从未存在过的新事物。
lk fr 寻找。强调寻找的过程。
find 找到。强调寻找的结果和能力。
6. Lts f scientists are wrking hard in rder t send astrnauts t Mars ne day.
in rder t意为“为了……”，表示目的，其后接动词原形，否定结构为in rder nt t。
设计意图：学习掌握本课重要知识点。
Activity 4
1. Ss d Activity 4 and write the answers n the bks. And then shw the answers ut.
2. T checks the answers with the whle class.
Activity 5
1. Ss read these sentences silently and predict which wrds shuld be stressed.
2. Ss listen t the recrding and check if their predictins are right r wrng.
3. Ss listen again and repeat.
Activity 6
1. Team racing
T: We have knwn much abut space travel in this class. Nw I will divide the whle class int tw teams. Tw teams will have a race. The team that first gives a crrect sentence gets ne pint.
设计意图：通过群组比赛说现在完成时句子，激发学生竞争意识，提升训练效果。
2. T makes a list abut space travel n the blackbard. Each team chses ne student t write dwn their sentences.
Activity 7
Ss wrk in pairs. Talk abut space travel with the lists in Activity 6.
—Have we sent a spaceship t Mars?
—Yes, we have. But…
设计意图：借助PPT以问答形式练习新句型，来检测学生运用现在进行时的情况。
Exercises
T lets Ss d sme exercises.
完成下列句子。
1. 宇宙飞船已经把信息传回地球。
The spacecraft has______________________ t earth.
2. 我刚刚制作了一个太空站的模型。
I’ve_________________________f space statin.
3. 你听到这条最新消息了吗？
______ yu __________________news?
4. 到达那儿已经花费了好几个月。
It has _______________________t get there.
5. 他们还没有发现火星上有任何生命。
They ________________________n Mars yet.
用have been t或have gne t 完成对话。
A: _______ yu ________t the z?
B: Yes, I _____ _______there three times.
C: Where is Lucy, d yu knw?
A: Srry, I dn’t knw.
B: She _______ ________ t the library.
Cultural Backgrund
T intrduces the eight planets in ur slar system.
设计意图：通过展示太阳系八大行星的相关内容，帮助学生更好地了解宇宙相关知识，以培养学生对宇宙探索的兴趣。
Step V Summary
New wrds:
earth, mn, news, planet, reach, yet, just, mdel, spaceship, prject, n prblem, latest, n, discver, astrnaut, space travel.
New sentences:
I’ve just made a mdel spaceship fr ur schl prject.
Has it arrived yet?
Astrnauts have already been t the mn.
Step IV Hmewrk
1. Recite the dialgue.
2. Get ready fr Unit 2.
五、板书设计
Mdule 3
Unit 1 Has it arrived yet?
earth, mn, news, planet, reach, yet, prject, n prblem, latest, n, space travel, nne.
I’ve just…
Has it arrived yet?
Astrnauts have already been t the mn.
教学设计
一、教学目标
1.掌握词汇：earth, mn, news, planet, reach, yet, prject, n prblem, latest, n, space travel, nne
2. 掌握句型：
I’ve just made a mdel spaceship fr ur schl prject.
Has it arrived yet?
Astrnauts have already been t the mn.
3. 能够理解关于太空旅行的对话并识别特定信息。
4. 能用already，just，yet及现在完成时谈论有关太空旅行的最新事件。
5. 能够辨认并掌握句子的重音。
6. 能够听懂关于太空探索的话题并提取信息。
7. 培养学生对天文知识的兴趣和对未知事物的探索精神。
二、教学重点及难点
重点：1. 掌握重点词汇和句型。
2. 能够正确朗读对话。
难点：能够运用含有现在完成时的语句进行简单的交际。
三、教学准备
1. 多媒体设备和课件。
2. 教学光盘。
四、教学过程
Step Ⅰ Warming-up
T let Ss watch the vide abut the slar system, then answer the fllwing questins.
D yu knw abut ur slar system?
Hw many planets g arund the sun?
Which planet is the third planet frm the sun?
Which planet is the furth planet frm the sun?
设计意图：通过呈现八大行星的英文歌曲视频，让学生在欣赏歌曲的同时，初步了解宇宙相关知识。再通过问题的讨论与思考，进一步引出本模块话题，激发学习兴趣。
Step Ⅱ Pre-listening
New wrds
1. T let Ss learn the new wrds.
T: Firstly, let’s learn the new wrds tgether.
2. T encurages Ss t say smething abut these wrds.
e.g. earth
T: The Earth is a planet and it ges arund the Sun. It is a beautiful blue and white ball when it is seen frm space and it has the envirnment with air, s peple and things can grw.
设计意图：在学习完本单元重点词汇之后，让学生利用新词说句子，加深对新词理解。
Activity 1
1. T lets Ss read the wrds in Activity 1 and try t understand them.
T: Wh wants t read ut the wrds in Activity 1 t the whle class? Hands up please.
2. T chses sme Ss t read these wrds and crrect their prnunciatin.
设计意图：听录音前重点记忆新词，为下一步的听做好准备。
3. T lets Ss listen t the recrding fr the first time and pay attentin t the wrds they hear.
4. T lets Ss listen fr the secnd time and finish Activity 1.
5. Ss check their answers in pairs.
6. T plays the recrding fr the third time fr Ss t check if their answers are crrect.
设计意图：带着任务去听材料，培养学生听取关键信息的能力。
Activity 2
1. T lets Ss read the sentences in Activity 2 and predict befre listening. And then T asks several Ss t share their predictin and write them n the blackbard.
2. Ss listen t the recrding fr the first time and try t understand the dialgue.
3. T plays the recrding again. Ss write their answers.
4. T checks their answers and guides Ss t share their answers.
5. Ss listen and repeat.
设计意图：活动2为听力基本能力训练，为学生能更好地理解下一环节中的对话内容作铺垫。
Step ⅡI While-listening
1. Ss listen t the recrding in Activity 3 fr the first time and try t answer the questin.
Has the spacecraft reached Mars?
2. Ss listen t the cnversatin again and finish the fllwing tasks.
(1) What are Daming and Tny talking abut?
A. Mdel spaceship.
B. The news abut the trip t Mars.
C. Schl prject.
(2) Mark T(True) r F(False).
The spaceship’s trip t Mars tk several years. ( )
They have discvered life n Mars. ( )
Astrnauts have already been t the mn. ( )
3. T plays the recrding fr the third time. Ss check their answers.
设计意图：让学生带着问题听，提高学生听的效率。通过听力练习题目的设置，让学生获取对话主要内容和一些细节信息，锻炼学生快速获取信息的能力。
Step IV Pst-listening
Activity 3
1. Ss read the cnversatin in Activity 3 and answer the questins.
设计意图：让学生阅读对话，回答一系列问题来掌握对话细节。
2. T asks Ss t rle play the cnversatin.
设计意图：通过角色扮演，让学生复述对话，巩固对对话的理解，为下面完成活动4做准备。
Language pints
T explains the language pints in the cnversatin.
1. What are yu up t？
be up t 表示“从事于, 忙于”，后面接名词、代词或-ing形式等。
2. I’m nt sure hw t make it.
be sure后可接从句、动词不定式或“介词 f/abut+ 名词/代词/动名词”，表示“对……确信、有把握”。
3. Have yu heard the latest news?
latest adj. 最新的，最近的，最迟的（常放在名词前作定语）
latest也可作adv. 意为“最迟地；最近地”。
4. Has it arrived yet?
【拓展】arrive, reach与get的区别：
arrive 不及物动词，arrive in+大地点，arrive at+小地点
reach 及物动词，reach+地点名词
get 不及物动词 get t+地点名词
【拓展】just, already与yet的区别：
just意为“刚刚，正好”，常用于肯定句，放在have/has之后，过去分词之前。
already意为“已经，就……”，常用于肯定句，放在have/has之后，过去分词之前。
yet意为“还（没），尚（未）”，常用于疑问句或否定句，用于句末。
5. S have they discvered life n Mars?
【拓展】discver, find ut, invent, lk fr与find的区别：
discver 发现。表示“偶然”或“经过努力”发现客观存在的事物、真理或错误。
find ut 查明；弄清楚。强调经过一番努力或询问而查明某事或真相。
invent 发明。强调创造出以前从未存在过的新事物。
lk fr 寻找。强调寻找的过程。
find 找到。强调寻找的结果和能力。
6. Lts f scientists are wrking hard in rder t send astrnauts t Mars ne day.
in rder t意为“为了……”，表示目的，其后接动词原形，否定结构为in rder nt t。
设计意图：学习掌握本课重要知识点。
Activity 4
1. Ss d Activity 4 and write the answers n the bks. And then shw the answers ut.
2. T checks the answers with the whle class.
Activity 5
1. Ss read these sentences silently and predict which wrds shuld be stressed.
2. Ss listen t the recrding and check if their predictins are right r wrng.
3. Ss listen again and repeat.
Activity 6
1. Team racing
T: We have knwn much abut space travel in this class. Nw I will divide the whle class int tw teams. Tw teams will have a race. The team that first gives a crrect sentence gets ne pint.
设计意图：通过群组比赛说现在完成时句子，激发学生竞争意识，提升训练效果。
2. T makes a list abut space travel n the blackbard. Each team chses ne student t write dwn their sentences.
Activity 7
Ss wrk in pairs. Talk abut space travel with the lists in Activity 6.
—Have we sent a spaceship t Mars?
—Yes, we have. But…
设计意图：借助PPT以问答形式练习新句型，来检测学生运用现在进行时的情况。
Exercises
T lets Ss d sme exercises.
完成下列句子。
1. 宇宙飞船已经把信息传回地球。
The spacecraft has______________________ t earth.
2. 我刚刚制作了一个太空站的模型。
I’ve_________________________f space statin.
3. 你听到这条最新消息了吗？
______ yu __________________news?
4. 到达那儿已经花费了好几个月。
It has _______________________t get there.
5. 他们还没有发现火星上有任何生命。
They ________________________n Mars yet.
用have been t或have gne t 完成对话。
A: _______ yu ________t the z?
B: Yes, I _____ _______there three times.
C: Where is Lucy, d yu knw?
A: Srry, I dn’t knw.
B: She _______ ________ t the library.
Cultural Backgrund
T intrduces the eight planets in ur slar system.
设计意图：通过展示太阳系八大行星的相关内容，帮助学生更好地了解宇宙相关知识，以培养学生对宇宙探索的兴趣。
Step V Summary
New wrds:
earth, mn, news, planet, reach, yet, just, mdel, spaceship, prject, n prblem, latest, n, discver, astrnaut, space travel.
New sentences:
I’ve just made a mdel spaceship fr ur schl prject.
Has it arrived yet?
Astrnauts have already been t the mn.
Step IV Hmewrk
1. Recite the dialgue.
2. Get ready fr Unit 2.
五、板书设计
Mdule 3
Unit 1 Has it arrived yet?
earth, mn, news, planet, reach, yet, prject, n prblem, latest, n, space travel, nne.
I’ve just…
Has it arrived yet?
Astrnauts have already been t the mn.
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