《Stories about Spring》Spring Is Coming PPT课件
第一部分内容：Warm-up
Talk about the questions
What clothes do you wear in spring?
What interesting things do you see in spring?
Words and expressions
low adj. 低的；浅的
below prep. & adv. 低于；在……下面
zero num. 零
until conj. 直到……为止
groundhog n. 土拨鼠
bush n. 灌木
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Stories about SpringPPT，第二部分内容：Language points
1. The temperature can be as low as -15℃.
as...as意为“和……一样”，表示同级的比较。结构为：as+ adj./ adv. +as
(1) This film is as interesting as that one.
这部电影和那部电影一样有趣。
(2) Your pen writes as smoothly as mine.
你的钢笔书写起来和我的一样流畅。
其否定式为not as/so +adj./ adv. +as。例如：
This dictionary is not as/so useful as you think.
这本字典不如你想象的那样有用。
若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个as之前。例如：
Your bag is twice as expensive as mine.
你的袋子比我的贵一倍。
2. We probably won’t see any flowers until May or June!
until“直到”，表示某一种行为一直持续到某一时间
I studied English until 9 o’clock last night.
我咋晚学英语一直学到9点钟。 (表示9点前一直在学)
not...until“直到……才”表示直到某一时间，某一行为才发生，之前该行为并没有发生。
I did not study English until 9 o’clock last night.
我咋晚直到9点钟才学英语。
(表示9点才开始学)
3. We had to wear our jackets and boots…
have to 意为“必须，不得不”，后接动词原形。 have to 的否定式是don’t have to
【辨析】 have to与 must
① must强调人主观认为必须做某事,而have to强调客观情况迫使人不得不做某事; ②must只用于一般现在时中,没有人称和数的变化,而have to可用于多种时态中,并且有人称和数的变化。
We must go to school on time.
我们必须按时上学。
She has to look after her baby at home.
她不得不在家照顾孩子。
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Stories about SpringPPT，第三部分内容：Exercise
I. Fill in the blanks.
1. We ______ listen to the teachers carefully. (必须)
2. You are __ tall __ your father. (与……一样)
3. He dived _____ the surface of the water. (在……下面)
4. They are speaking in ____ voices. (低的)
5. Let’s wait _____ the rain stops. (直到……为止)
II. Translation.
1. 他不得不跑回学校取他的作业本。
He had to run back to school to get his exercise-books.
2. 这没有我想象的那么困难。
It’s not as hard as I thought.
3. 请不要在这条线下面写东西。
Please do not write below this line.
4. 太阳低挂在天空。
The sun was low in the sky.
5. 他一直工作到去世。
He continued working until his death.
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Stories about SpringPPT，第四部分内容：Homework:
Write a short passage about things you can do in spring and why you do them.
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