高中英语 Unit4Exploring plantsUsing language课件 新人教选修9.ppt

Reading and discussion on P37Flowers and their animal pollinators 2021/8/11 星期三1Bee2021/8/11 星期三22021/8/11 星期三3Humming-birds2021/8/11 星期三4Butterflies 2021/8/11 星期三5moth 2021/8/11 星期三6Difficult words and expressionsevolveevolutionattach tobattubeodourgive out发展；进展；进化发展；进展；进化发出；分发发出；分发气味气味管子管子演变；进化演变；进化附上；贴上附上；贴上蝙蝠蝙蝠2021/8/11 星期三7What is the text about?What do pictures show you?What is the chart about?1The 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.2021/8/11 星期三8Answer 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.22021/8/11 星期三93.How does an animal pollinate a flower?An animal pollinates a flower by collecting pollen from a flower and passing it onto another flower.2021/8/11 星期三104.What features of a flower are important in attracting animal pollinators?The features of a flower that are important in attracting animal pollinators are its colour,shape,size and smell.2021/8/11 星期三115.What is nectar?Nectar is a sweet liquid produced by flowers and collected by bees.6.What kinds of animals are most flowers pollinated by?Most flowers are pollinated by bees,moths and butterflies.2021/8/11 星期三12True or false1.Bees follow coloured lines to the nectar inside the flower.2.Flowers that are white or pale can be seen by night pollinators.3.Butterflies are attracted to sweet-smelling flowers.TTF32021/8/11 星期三134.Bats pollinate flowers at night.5.Flower colour is not important to hummingbirds.6.All pollinators need to land on the flower if they are to find the nectar.TFF2021/8/11 星期三14Find other nouns in the chart that mean the same as“smell”.List adjectives from the chart that are used to describe different kinds of smells.Nouns that mean“smell”:_ _.Adjectives that describe smells:_.odour,perfumedelicate,fragrant,odourless,strong,sweet,musty,fruity42021/8/11 星期三151.evolveevolve 常用作不及物动词，意为常用作不及物动词，意为“进化，进化，形成，发展形成，发展”，常与，常与from 搭配使用，搭配使用，意为意为“从从发展而来发展而来”。如：。如：The present British political system has evolved over several centuries.英国的现行政治制度是经过几个世纪逐英国的现行政治制度是经过几个世纪逐步发展而成的。步发展而成的。单词讲解解2021/8/11 星期三16The developmental history of society tells us that man has evolved from the ape.社会发展史告诉我们人是从类人猿进社会发展史告诉我们人是从类人猿进化来的。化来的。其名词形式为其名词形式为 evolution,意为意为“进进化，演变，发展，渐进化，演变，发展，渐进”。2021/8/11 星期三17如：如：1）.Darwins theory of evolution has been widely accepted.达尔文的进化论已经被广泛接受。达尔文的进化论已经被广泛接受。2）.The farmers benefit a lot from the evolution of farming methods.耕种方法耕种方法的发展使农民大大受益。的发展使农民大大受益。其形容词形式为其形容词形式为evolutionary,意为意为“演演变的，进化的，逐渐发展的变的，进化的，逐渐发展的”。如：。如：The change has been evolutionary.变化是渐进的。变化是渐进的。2021/8/11 星期三18小试小试 翻译下列句子。翻译下列句子。1.这位设计师逐渐形成了自己的风格。这位设计师逐渐形成了自己的风格。2.这家公司已经发展成为一家大机构。这家公司已经发展成为一家大机构。The designer gradually evolved the style of his own.The company has evolved into a large organization.2021/8/11 星期三192.attach attach sth.to sth.表示表示“把把附加、附加、系上或缚在系上或缚在上上”。如：。如：He attached a label to each piece of luggage.他把每件行李都贴上标签。他把每件行李都贴上标签。attach to sb./sth.表示表示“（使）与（使）与有联系，与有联系，与有关联有关联”。如：。如：It was just an accident and no blame attaches to either of you.这只是一个这只是一个意外，你俩一点责任也没有。意外，你俩一点责任也没有。2021/8/11 星期三20 attach importance/value/weight,etc.to sth.表示表示“认为认为有重要性有重要性/价值价值/分量等分量等”。如：。如：We should attach primary importance to the development of economy.我们应把经济发展放在首要位置。我们应把经济发展放在首要位置。2021/8/11 星期三21 be attached to表示表示“（变得）喜欢，（变得）喜欢，依恋，对依恋，对有感情有感情”。如：。如：I am much attached to my family.我对我的家很依恋。我对我的家很依恋。be attached to 还表示还表示“附属于附属于”。如：。如：This middle school is attached to a normal college.这所中学附属于一所师范院校。这所中学附属于一所师范院校。2021/8/11 星期三22 attach oneself to sb./sth.表示表示“依依附某人，参加某事附某人，参加某事”。如：。如：He attached himself to the group of mountain climbers.他参加了那个登山队。他参加了那个登山队。2021/8/11 星期三231.The hospital is attached to that university.2.A young man attached himself to me at the party and I couldnt get rid of him.3.在年底前你将一直属于这一部门。在年底前你将一直属于这一部门。4.我们已变得十分留恋这所房子，舍不得搬家。我们已变得十分留恋这所房子，舍不得搬家。这家医院附属于那所大学。这家医院附属于那所大学。在聚会上有个年轻人总缠着我，我简直无在聚会上有个年轻人总缠着我，我简直无法摆脱他。法摆脱他。Youll be attached to this apartment until the end of the year.Weve grown very attached to this house and wouldnt move.2021/8/11 星期三242021/8/11 星期三25