内容正文:
Topic 2
Section A
单击此处编辑母版文本样式
语言能力 会灵活运用不定代词和不定副词来谈论污染问题
文化品格 明白中国空气污染的现状以及对环保的建议,树立爱护大自然、关心身边动植物的决心
思维品质 认识到各种环境问题,关注自然资源,关注全球的环境问题
学习能力 会描述某种污染的原因和危害,并提出倡议
素养目标
单击此处编辑母版文本样式
1.谈论沙尘暴的成因,初步感知不定代词和不定副词的用法。
2.能够从所听材料中获取有效的细节信息,提高听力能力。
3.树立绿色环保意识,关注环境问题。
学习目标
单击此处编辑母版文本样式
多媒体播放有关沙尘暴天气的app,然后提出问题:
1.What’s the weather like?
2.How do you feel when it happens?
3.How does it come into being?
预习导学
单击此处编辑母版文本样式
一、生词速查
1. sand n.沙
2. although conj.虽然,尽管,即使
sand
although
预习导学
单击此处编辑母版文本样式
二、短语速记
1. blow strongly 猛烈地刮
2. walk down the street 沿着大街走
3. cut down 砍倒
4. change into 转换成;变成
5. stop...from... 阻止
6. blow away 刮走
7. wash away 冲走
blow strongly
walk down the street
cut down
change into
stop...from...
blow away
wash away
预习导学
单击此处编辑母版文本样式
8. The Green Great Wall 绿色长城
9. a large number of 许多;大量
10. as a result 作为结果
11. come into being 形成
12. die out 灭绝
13. the importance of... ……的重要性
The Green Great Wall
a large number of
as a result
come into being
die out
the importance of...
预习导学
单击此处编辑母版文本样式
三、句子速译
1.什么导致了这些沙尘暴?
What causes these sandstorms?
2.结果,许多富饶的良田变成了沙漠。
As a result, a lot of rich land changed into desert.
3.树木可以防止风吹走尘土。
Trees can stop the wind from blowing the earth away .
causes
changed
into
stop the wind from blowing the earth away
预习导学
单击此处编辑母版文本样式
4.虽然以前有沙尘暴,但现在我们已经建成了“绿色长城”。
Although there were sandstorms before, now we have built “The Green Great Wall”.
Although
have
built
预习导学
单击此处编辑母版文本样式
四、想一想
预习课本1a,回答下列问题。
1.What’s the weather like?
It’s windy.
2.What caused the sandstorms?
People cut down too many trees.
It’s windy.
People cut down too many trees.
预习导学
单击此处编辑母版文本样式
3.What are the trees’ functions?
Trees can stop the wind from blowing the earth away, save the water and stop the water from washing the earth away.
Trees can stop the wind from blowing the earth away, save the water and stop the water from washing the earth away.
预习导学
单击此处编辑母版文本样式
复合不定代词练习
·导学建议·
课前让学生预习课本1a,并完成课本1b的选择和课本1c 的树状