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选修9《Using LanguageⅠ》新课标PPT课件优质课下载
evolve
evolution
attach to
bat
tube
odour
give out
发展；进展；进化
发出；分发
气味
管子
演变；进化
附上；贴上
蝙蝠
What is the text about? What do pictures show you? What is the chart about?
The text is about flowers and their animal pollinators. The pictures show different kinds of animal pollinators and their flowers. The chart lists animal pollinators and the characteristics of the flowers they pollinate.
Read the text and answer the questions.
1. What is the advantage for animals of visiting flowers?
Animals get food called nectar from the flowers.
2. Why do some plants need animals?
Some plants need animals to pollinate them.
3. How does an animal pollinate a flower?
An animal pollinates a flower by collecting pollen from a flower and passing it onto another flower.
4. What features of a flower are
important in attracting animal pollinators?