Unit 5 Revealing nature Developing ideas Writing （ppt课件）-2022新外研版（2019）《高中英语》选择性必修第一册.pptx

1、Section C Developing ideas-writingcommunicate with【归纳拓展】（1）communicate by通过 方式交流communicate sth.to sb.把某事传达给某人（2）communication n.交流，沟通be in communication with sb.与某人保持联络练习：Parents sometimes find it difficult to communicate _ their teenage children.withdetect detect sb.doing sth.发现某人在做某事【单词积累】detecta

2、ble adj.可察觉的，可发现的detection n.察觉，发现；侦查练习：The teacher detected him _(cheat)in the exam.cheatingdriveaway【归纳拓展】drive.off 赶走diveout 使 离开；使消失drive down（迅速）压低，降低（价格、成本等）drive up 抬高，迫使（价格、成本等）快速上升drive sb.to do sth.迫使/促使某人做某事drive sb.to/into.迫使某人进入某状态练习：He was cruel because he wanted to drive me _.away/off

3、 link linkto/with.把与联系/连接起来link sb./sth.together把联系/连接在一起be linked to/with与有关a/the link between.间的联系have strong links with.系牢固练习：The study further strengthens the evidence _(link)smoking with early death.linkingsignal signal to sb.向某人示意signal for sth.示意要某物signal(to)sb.to do sth.示意某人去做某事a/the signal(

4、for sb.)to do sth.要（某人）做某事的信号/示意send/give a signal 发出信号，示意receive/pick up a signal 接收信号练习：When she got up from the table,it was obviously the signal _ us to leave.forRead the observational journal and answer the questions.1 They were planted side by side in soil,with the pointed ends facing up.2 The

5、 leaves grew in a sunny,but cool place.3 The flowers are yellow and white,and shaped like trumpets.主题写作植物生长过程的观察日志Work in pairs.Look at the pictures and talk about how the sunflower grows.写作指导本单元写作项目是描写植物生长过程的观察日志。观察日志多是亲身经历和耳闻目睹的事情，所以要用第一人称来写；日志多是记述发生过的事情，因此常使用一般过去时，但使用时必须灵活掌握。日志应条理清楚，写出真实感。此外，应注意日

6、志的格式，包括日期、星期和天气的书写位置。文章开头要表明写作目的，文章主体部分着重记录植物的成长过程，文章结尾记录作者的感受。常用语句（1）开头Do you have an experience of planting a kind of plants?你有种植一种植物的经历吗？Let me share my experience of growing watermelon with you.让我跟你分享一下我种西瓜的经历吧。I once lived in the countryside and planted some garlic in the garden.我曾经住在乡下,在花园里种了一

7、些大蒜。（2）正文Check to see if there are any local requirements about digging.看看当地对挖掘是否有要求。Take a suitable shovel and dig a hole that is 4-5 times the width of the root ball.拿一把合适的铲子，挖一个4-5倍于根球宽度的洞。Use the garden cultivator to loosen the dirt all around the hole to make it easier for the roots to spread.用

8、花园里的松土除草机把洞周围的泥土弄松，让根系更容易伸展。（3）结尾Seeing the flowers,I was too excited to express my feelings.看到这些花，我激动得无法表达我的感觉。I cant wait to show my grandparents the fruit trees I have planted.我迫不及待地要给爷爷奶奶看我种的果树。No pain,no gain.不劳无获。5 54 43 32 21 1Complete content Complete content Enough wordsEnough wordsGood exp

9、ressionsGood expressions Correct grammarCorrect grammar Nice handwritingNice handwritingAn observational journal about the sunflower1 JuneCovered with 1-2 cm of moist soil,the sunflower seed takes a few days to come up after being planted.Water has been added regularly and the hard seed coat softens

10、 in the damp soil to allow the first root to pierce downwards and the first leaves to push to the soil surface.6 JulyThe root continues to grow downwards.The single stem grows hollow and smooth,revealing large spade-shaped leaves from the growing tip.Gradually,the plants growing tip reveals the firs

11、t hints of development of the flower bud.The plant stem becomes more woody.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 disc.Over the course of one week,the yellow ray florets,the disc florets bloom across the core of the sunflower blossom.It is yellow,looking beautiful.