《Save the tigers!》Aminal friends PPT课件

冀教版七年级英语上册《Save the tigers!》Aminal friends PPT课件，共17页。

Discussion

1.Discuss in groups. Think of a new kind of animal that they want to protect and talk about it. 

What do they look like?

Where can you usually see them?

Why do you think they need our help?

2. Work in groups and discuss some ways we can protect animals. Write down your ideas.  

Language Points

1. They are important to nature.

它们对大自然来说很重要。

be important to 对……很重要

例：Friends are important to us.

朋友对我们来说是很重要的。

2.They keep the number of other wild animals in balance. 

它可以帮助保持其他野生动物的数量平衡。 

①the number of …的数量，后跟名词复数，做主语时谓语动词用单三。

The number of tigers in the wild is dropping quickly.

野生老虎的数量急剧下降。

拓展：a number of …意为“许多；大量”，相当于a lot of或lots of，后接复数名词，作主语时,谓语动词用复数形式。

② keep… in balance 保持……平衡

… … …

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