《Stories about Spring》Spring Is Coming PPT
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《Stories about Spring》Spring Is Coming PPT
第一部分内容：基础知识
Read the text in groups and pay attention to these sentences .
(1)The temperature can be as low as -15℃,but it can also reach 15℃.
(2)We probably won’t see any flowers until May or June!
(3)We had to wear our jackets and boots,but it was fun.
Please pay attention to the long words:temperature,probably.
Listen to the tape and answer the questions.
1.How is the weather in Edmonton in March?
It can be cold and snowy or warm and sunny.
2.When can people in Edmonton see flowers?
Until May or June.
3.What do people in Edmonton do in spring?
Many families drive to the countryside on weekends.
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Stories about SpringPPT，第二部分内容：教材解读
1.The temperature can be as low as -15℃,but it can also reach 15℃.
as…as…意为“和……一样……”,用于同级之间的比较。其基本结构为:as+形容词或者副词的原级+as。
I gave him as much as he could eat.
他能吃多少,我就给了他多少。
【拓展】(1)as…as…的否定形式为“not as/so+形容词或者副词的原级+as…”,表示“不如……,比不上……”。
(2)as…as…结构中可以使用以下修饰词(组):just,exactly,not quite,half,
twice等,并且这些修饰词(组)必须置于第一个as之前,而不能置于其后。
2.We probably won’t see any flowers until May or June!
until意为“直到……为止”,引导时间状语从句。until用于肯定句时,主句的动作必须是延续性的,表示这一动作或状态一直延续到until所表示的时间为止;用于否定句时,主句的动作一般是非延续性动词,强调表示动作或者状态直到until所表示的时间才发生,构成not…until…结构,表示“直到……才……”。如果主句使用一般将来时态,则从句必须用一般现在时态表示将来。
The bus won’t start until everyone gets on.直到每个人都上车,公共汽车才会开动。
【拓展】till 是连词,意思是“直到……之时;在……之前”,通常用来表示时间,相当于until,只是语气较弱。
They waited here till ten o’clock.他们在这儿一直等到十点。
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Stories about SpringPPT，第三部分内容：Homework
1.Practice the letter with your group members after class.
2.Copy the new words twice.
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