1、选择性必修一 Unit 5 Developing ideas Writing高二年级 英语Step 1:Analysis of the materialWhat:本课的文本部分是一篇观察日志，文章主要记录了水仙花的生长过程。Why:本课旨在让同学们掌握观察日志的写作方法，掌握相关词汇及句型。How:通过引导同学们对文本结构的解读以及对细节的梳理，了解观察日志的写作方法。通过对例文的分析，了解观察日志的常用词汇和句型，并应用这些知识介绍向日葵的生长过程。Step 2:Leading-inBrainstormCan you think of some words and expressions w
2、hich can be used to describe how a flower seed is planted and how it grows?Nouns:seed,soil,pot,water,fertilizer（肥料）,sunshine,environment,temperature,stem（茎）,leaf,tip（尖端）,bud（花苞）,flowerVerbs:plant,cover,water,keep,sprout（发芽）,move,grow,produce,blossom（开花）,wither(凋零）Adjectives:cool,dark,warm,sunny,wet,
3、tender（娇嫩的）,long,narrow,short,wide,tallAdverbs:gently,regularly,patientlyStep 3:Knowledge learningRead the observational journal and answer the questions.1.How were the daffodil bulbs planted?2.In what environment did the leaves grow?3.What do the flowers look like?1.How were the daffodil bulbs plan
4、ted?bulb:the round underground part of some plants,shaped like an onion,which grows into a new plant every year.植物鳞茎 They were planted side by side in soil with the pointed ends（尖端）facing up.2.In what environment did the leaves grow?The leaves grew in a sunny,but cool place.3.What do the flowers loo
5、k like?The flowers are yellow and white,and shaped like trumpetsThe information we need in this observational journal:Week 1:We need the information about how the daffodil bulbs have been planted,how to water them and what environment we should put these plants in.Week 3:We need to describe how the
6、stem grows,how the leaves grow and what environment we should put these plants in at this time.Week 6:We need to tell the readers what the plants look like now,how they blossom and what the flowers look like.Read the observational journal carefully,and pay attention to the structure of it.You should
7、 choose three periods to write about,such as the week when the daffodil bulbs were planted,the week when the firststem came out,and the week when the stem produced a flower.What is the main tense of an observational journal?The main tense of an observational journal should be present tense,but somet
8、imes we use other tenses when necessary.Can you find out some useful words and expressionswhich are used to describe how the plant grows?Week 1:The daffodil bulbs have been planted side by side in soil,with the pointed ends facing up.Water has been added and the container was put in a cool,dark plac
9、e.The bulbs are being watered regularly.have been planted in soil 被种在土壤里with the pointed ends facing up 种的时候尖端朝上Water has been added and the container was put in 浇点水,把花盆放在are being watered regularly.要按时给浇水。Week 3:A single stem has sprouted from each of the bulbs.On each stem are two leaves,which are
10、 long and narrow with a waxy texture.The container has been moved to a sunny,but cool place.The stem has sprouted 茎已长了出来 On each stem are two leaves 每条茎上都有两片叶子The container has been moved to 花盆被移到了Week 6:The stems have grown to around 20 centimeters tall and each has produced a single flower.The flo
11、wers are yellow and white,and shaped like trumpets.The stems have grown to 茎已经长到了produced a flower 开花了Step 4:Language practiceLook at the pictures and write your observational journal about the sunflower.Lets look at the pictures one by one.In picture 1,we can see a small sprout（芽）come out from the
12、soil in the pot.We can use theexpressions weve learnt,such as The seed has been planted.Water has been added regularly.The pot should be put in a damp and warm room.An example:1 JuneCovered with 1/2 cm of moist soil,the sunflower seed takes 5 to 12 days to come up after being planted.Water has been
13、added regularly and the hard seed coat softens in the damp soil to allow the first roots to pierce downwards and the first sprouts to push to the soil surface.moist soil 湿润的土壤the seed takes 5 to 12 days to come up after being planted播种之后，种子花了5至12天破土而出。Water has been added regularly 按时浇水roots pierce
14、downwards 扎根 sprouts push to the soil surface 钻出新芽Lets look at the second picture.In picture 2,we can see the stem grows taller,Large spade-shaped（铲状的）leaves comes out from the growing tip.We can use the expressions weve learnt,such as On the top of the stem are some spade-shaped leaves.The pot has
15、been moved to a warm and sunny place.An example:6 JulyThe root continues to grow downward.The single stem grows taller,revealing（显露出）large spade-shaped leaves from the growing tip.Gradually,the plants growing tip reveals the first hints of development of the flower bud.Its time to move the container
16、 to a warm and sunny place.The root continues to grow downward.根扎得更深了。large spade-shaped leaves 铲状的大叶子flower bud 花骨朵Its time to move the container to a warm and sunny place.该把花盆挪到温暖明亮的地方去了。Lets look at the third picture.In picture 3,we can see the stem grow much taller.More leaves come out and a yel
17、low flower appears onthe top of the stem.The disk florets（盘状小花）bloomacross the central part of the yellow flower.We can use the expressions weve learnt,such as The flower bud becomes visible（可见的）at the tip of thesunflower stem.The disk florets bloom（开花）across the core（中心）of the sunflower blossom.An
18、example:26 JulyAbout three weeks after the flower bud first becomes visible at the tip of the sunflower stem,it enlarges and begins to reveal a flattened disk（扁平的花盘）.Over the course of one week,many small florets（小花）bloom across the core（中央）of the sunflower blossom（花朵）,which is yellow and looks beau
19、tiful.The flower bud first becomes visible.花骨朵儿变得很明显了。It enlarges and begins to reveal 花骨朵儿变大并长成了。Step 5:Practical applicationWork in pairs.Make improvements to the observational journal belowand share them with the class.You can use the words and expressions we brainstormed at the beginningof this
20、class and the ones that are used in our textbook.Nouns:seed,soil,pot,water,fertilizer,sunshine,environment,temperature,stem,leaf,bud（花苞）,tip,flowerVerbs:plant,cover,water,keep,sprout,move,grow,produce,wither(凋零）Adjectives:cool,dark,warm,sunny,wet,tender（娇嫩的）,long,narrow,short,wide,tallAdverbials:gen
21、tly,regularly,patientlyThis is an observational journal about the sunflower growth from a student.You should try to use the knowledge weve learnt today to make improvementsto this journal.如图，6月1号向日葵种子已经发芽了，所以种子不是1号那天种的，所以划线句子的时态不对。没有介绍这个阶段植物应当放在什么样的环境当中。The sunflower seed takes 5 to 12 days to come
22、up after being planted in damp soil.Water has been added regularly.The first sprout has appeared on top of the soil surface.It should be kept in a warm place.划线部分均存在语法错误。没有介绍这个阶段植物应当放在什么样的环境当中。The single stem continues to grow taller.The large spade-shaped leaves are much bigger than they were a mon
23、th ago.A cute tiny flower bud hascome out.Its time to move the container to a sunny place.划线部分均存在语法错误。About three weeks after the flower bud first came out,it becomes bigger and the stem has been twice taller than before.Many small florets bloom in the centre of the sunflower blossom,which is yellow and looks beautiful.Step 6:Homework Work in pairs.Make improvements to each others observationaljournal,share them with your class and post your writing on your social media.Thank you!
