高中英語 Unit4Exploring plants-Using language課件 新人教選修9學(xué)習(xí)培訓(xùn)模板課件

1、Reading and discussion on P37Flowers and their animal pollinators BeeHumming-birdsButterflies moth Difficult words and expressionsevolveevolutionattach tobattubeodourgive out發(fā)展；進(jìn)展；進(jìn)化發(fā)出；分發(fā)氣味管子演變；進(jìn)化附上；貼上蝙蝠What is the text about? What do pictures show you? What is the chart about?1The text is about flo

2、wers 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.Answer the questions.1. What is the advantage for animals of visiting flowers? Animals get food calle

3、d nectar from the flowers.2. Why do some plants need animals? Some plants need animals to pollinate them.23. 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 attrac

4、ting animal pollinators? The features of a flower that are important in attracting animal pollinators are its colour, shape, size and smell.5. 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

5、pollinated by bees, moths and butterflies.True 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. TTF34. Bats pollinate flowers at night. 5. Flower colour i

6、s not important to hummingbirds. 6. All pollinators need to land on the flower if they are to find the nectar. TFFFind 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 th

7、at describe smells: _.odour, perfumedelicate, fragrant, odourless, strong, sweet, musty, fruity41. evolveevolve 常用作不及物動詞，意為“進(jìn)化，形成，發(fā)展”，常與from 搭配使用，意為“從發(fā)展而來”。如：The present British political system has evolved over several centuries.英國的現(xiàn)行政治制度是經(jīng)過幾個世紀(jì)逐步發(fā)展而成的。單詞講解The developmental history of society tells

8、 us that man has evolved from the ape.社會發(fā)展史告訴我們?nèi)耸菑念惾嗽尺M(jìn)化來的。其名詞形式為 evolution, 意為 “進(jìn)化，演變，發(fā)展，漸進(jìn)”。如：1）. Darwins theory of evolution has been widely accepted. 達(dá)爾文的進(jìn)化論已經(jīng)被廣泛接受。2）. The farmers benefit a lot from the evolution of farming methods. 耕種方法的發(fā)展使農(nóng)民大大受益。其形容詞形式為evolutionary, 意為“演變的，進(jìn)化的，逐漸發(fā)展的”。如：The cha

9、nge has been evolutionary. 變化是漸進(jìn)的。小試 翻譯下列句子。這位設(shè)計(jì)師逐漸形成了自己的風(fēng)格。2. 這家公司已經(jīng)發(fā)展成為一家大機(jī)構(gòu)。The designer gradually evolved the style of his own. The company has evolved into a large organization.2. attach attach sth. to sth. 表示“把附加、系上或縛在上” 。如：He attached a label to each piece of luggage. 他把每件行李都貼上標(biāo)簽。 attach to s

10、b. / sth. 表示“（使）與有聯(lián)系，與有關(guān)聯(lián)”。如： It was just an accident and no blame attaches to either of you.這只是一個意外，你倆一點(diǎn)責(zé)任也沒有。 attach importance / value / weight, etc. to sth. 表示“認(rèn)為有重要性/價值/分量等”。如：We should attach primary importance to the development of economy.我們應(yīng)把經(jīng)濟(jì)發(fā)展放在首要位置。 be attached to表示 “（變得）喜歡，依戀，對有感情”。如：I

11、 am much attached to my family.我對我的家很依戀。be attached to 還表示“附屬于”。如：This middle school is attached to a normal college.這所中學(xué)附屬于一所師范院校。 attach oneself to sb. / sth. 表示“依附某人，參加某事”。如：He attached himself to the group of mountain climbers. 他參加了那個登山隊(duì)。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. 在年底前你將一直屬于這一部