九年级英语上册U2T1SA教学设计 最新仁爱版
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1 Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
Ⅰ. Material analysis
本课是九年级第二单元第一话题的第一课时。主活动是1a。1a通过对比“West Hill”今昔的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时的用法及区别。1b要求学生能够听懂一般过去时态和现在完成时态，也就是要分清1b所提及的词语所伴随的时间。1c则是在阅读之后再找出“西山”所发生的变化。2通过观察图片内容，结对编对话，描述污染前后的情况，进一步训练学生口头表达能力和对一般过去时和现在完成时的运用能力。3通过听并记录“动物的生存现状”，了解环境污染带给动物的危害，继续提高学生的听力水平。任务4的口语表达，培养学生的说的技能，检测对本课的掌握情况。通过本课的学习，培养学生关注环境问题的意识。
Ⅱ.Teaching aims
1.Knowledge aims：
掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。
能够用一般过去时和现在完成时描述过去和现在的变化。
正确使用there be sth./sb. doing sth.来表达“有某人/物正在做某事”。
2.Skill aims:
能听懂描述环境变化的对话，区别一般过去时和现在完成时的用法。
能理解和运用一般过去时和现在完成时来进行听、说、读、写活动。 九年级上册教学案例设计
2 3.Emotional aims: (optional)
让学生了解环境污染的严重性，并树立环保意识。
4. Culture awareness: (optional)
通过课文的学习，让学生了解环境的变化，关注全球的环境问题。
Ⅲ. The key points and difficult points
1. Key points:
Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, villager, destroy, cut down, goodness, pour,
see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodness
Sentences: What a shame! / What a mess!
The flowers and grass have gone!
What has happened here?
There be sth./sb. doing sth.
There are several factories pouring waste water into the stream.
Everything has changed.
Grammar: differences between Simple Past and Present Perfect tense.
2. Difficult points：
正确使用there be sth./sb. doing sth.来表达“有某人/物正在做某事” 。
区别使用短语see sb./ sth. do sth.和 see sb. / sth. doing sth.。
3 能正确地以口头和书面形式区别使用一般过去时和现在完成时。
Ⅳ. Learning strategies
通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的习惯。
通过朗读1a和2，引导学生模仿已有对话，编写新的对话。
通过1c，培养学生整合对话信息，将对话转换为语篇的能力。
Ⅴ. Teaching aids
图片（关于校园周边环境变化对比图或者影像资料），录音机，幻灯片等。
Ⅵ. Teaching procedures
Stage
(time period) Interaction
patterns Teacher activity Student activity Remarks
1 Getting students
ready for
learning
（1 min) Class activity Greet and talk about the weather. Lead the Ss to
discuss the right place for a picnic.
T: Hi, boys and girls! It’s a nice day, isn’t it?
Ss: Yes.
T: Would you like to have a picnic with me?
Ss: I’d like that./Sounds great.
T: So where shall we go? Greet and focus their attention on
the teacher.
...
Ss: Yes.
Ss: I’d like that./Sounds great. 通过谈论天气，要去野炊，吸引学生的注意力，也符合课文主题，使学生专注于课堂。如果天气不好，也可以做好周末的野炊计划。 九年级上册教学案例设计
4 Ss...
Ss...
2 Lead-in
(3-5 mins) Group work Let the Ss discuss where to have a picnic.
Encourage them to state the reasons.
T: Now work in groups, choose the best place
for a picnic and tell the class why you choose
that place.
Ss…
T: OK, tell us where to have a picnic. Why?
S1: I think …is the best choice. The air there is
fresh. We can fly kites on the grass.
S2… Discuss where to have a picnic and
state the reasons.
…
Ss…
S1: I think …is the best choice. The
air there is fresh. We can fly kites
on the grass.
S2… 先让学生讨论出合适的野炊地点，老师再出示西山没被污染的图片来吸引学生的注意。当学生兴趣高涨时，又呈现被污染后的图片，让学生满怀兴趣和疑问去了解西山被污染前后的状况，更好的体会一般过去时和现在完成时在语境中的运用，同时也突破了单词关。
3 Pre-listening
(5-7 mins) Class activity Present two pictures of the West Hill and
describe the changes. Teach the new words and
some difficult sentences.
(Show the old picture of the West Hill to the Ss) Watch the pictures of the West Hill,
guess the meaning and
pronunciation of the words
according to the introduction about
在教授新单词时，老师应当同时呈现单词和音标，让学生运用所学音标自己解决单
5 T: Look at this beautiful picture. Kangkang and
his friends had a picnic there two years ago.
Can you guess where it is?
Ss: Yes, it’s the West Hill.
T: What can you see in the picture?
S1: Some flowers, a clean river and a big tree…
T: Right. The West Hill is a beautiful place. Can
you see the bees and butterflies dancing there
(Point to the bees and butterflies, and then write
down the words and phrases on the Bb)
T: So do you want to go there for a picnic?
Ss: Yes…
T: I’d like to. But now it has changed a lot.
Look at this picture. Do you like it?
Ss: No.
(Teacher presents the new words and difficult
sentences through the description of the the changes of the West Hill.
Ss: Yes, it’s the West Hill.
…
S1: Some flowers, a clean river and
a big tree…
…
Ss: Yes…
…
Ss: No. 词的读音问题，如果学生发音不准，老师要及时更正。再根据图片和讲解，引导学生大胆的猜测词义和部分难句的意思，为1a中的听力对话扫障碍。
