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

1、The Secret Languageof Plants.Match the main idea with each paragraph.Para.1_ APlants use chemicals to communicate with each other.Para.2 _ BPlants use sound to communicate.Para.3 _ CTalking plants have long been a thing of myths and legends.Fast readingPara.4 _ DNew research has revealed that plants

2、 can communicate.Para.5 _ EMaybe one day well be able to“talk”with plants.Para.6 _ FPlants use“wood wide web”to communicate.答案：答案：CDABFE.Read the passage and choose the best answer to each question.1What can we learn from paragraph 3?APlants can release chemicals from the roots.BPlants can release c

3、hemicals when attacked.CChemicals from some plants destroy the other plants.DScientists find the method of growing crops without pesticides.2How many ways plants communicate are talked about in the passage?A1B2C3 D43Which of the following shows the structure of the passage?paragraph 1paragraph 2para

4、graph 3paragraph 4paragraph 5paragraph 6ABCD4What is the main purpose of this passage?ATo encourage people to study plants.BTo introduce ways of communication between plants.CTo argue why plants are able to communicate.DTo tell us some myths about talking plants.The Secret Language of PlantsTalking

5、plants have long been a thing of myths and legends.Many cultures have stories of talking trees that give advice as well as warnings to people.Alexander the Great and Marco Polo were said to have visited such a tree in India.And in some modern stories,such as the film Avatar,trees can communicate wit

6、h animals and people.植物密语植物密语 会说话的植物长久以来都是神话和传说里的事情。许多文化里都有会说话的树给会说话的植物长久以来都是神话和传说里的事情。许多文化里都有会说话的树给人们警告人们警告和和建议的故事。据说，亚历山大大帝和马可建议的故事。据说，亚历山大大帝和马可波罗曾在印度见过这样一棵树。波罗曾在印度见过这样一棵树。而且在一些现代故事中，像电影阿凡达，树木可以与动物和人而且在一些现代故事中，像电影阿凡达，树木可以与动物和人交流交流。Communicate with sb.和某人交流as well as 和，也Intensive reading With us lo

7、ng believing that talking plants are fantasy，new research has revealed something amazing:it appears that plants can communicate after all我们一直认为会说话的植物只存在于幻想之中，但新的研究有了惊人的发我们一直认为会说话的植物只存在于幻想之中，但新的研究有了惊人的发现：植物间似乎确实可以交流。现：植物间似乎确实可以交流。reveal v.揭露，表明，展示，显示after all 毕竟，终究 “with复合结构复合结构”在句中多作状语，也可以作定语。常见的结构有

8、在句中多作状语，也可以作定语。常见的结构有：(1)with宾语宾语doing (4)with宾语宾语adv.(2)with宾语宾语done (5)with宾语宾语to do(3)with宾语宾语adj.(6)with宾语介词短语宾语介词短语练通练通单句语法填空单句语法填空(1)With winter _(come)on，its time to buy warm clothes.(2)With all the things she needed _(buy)，she went home happily.(3)With nothing _(do)，Tom sleeps at home.(4)The

9、 man came in，with a bottle_ his ingboughtto doin写美写美句式升级句式升级(5)(普通表达)The College Entrance Examination is drawing near,so the students feel great pressure.(高级表达)_,the students feel great pressure.(with复合结构)With the College Entrance Examination drawing nearIt has been known for some time that plants u

10、se chemicals to communicate with each other.This happens when a plant,say a bean plant,gets attacked by insects.The plant releases tiny amounts of chemicals from the leaves that are being eaten.This is like a warning,or a call for help:“Im being attacked！”When another bean plant detects the chemical

11、s from its injured neighbour,it starts to release its own,different chemicals.人们知道植物使用化学物质相互交流已经有一段时间了。当某种植物人们知道植物使用化学物质相互交流已经有一段时间了。当某种植物(比如豆类植比如豆类植物物)受到昆虫侵害的时候就会这样做。受到昆虫侵害的时候就会这样做。(受侵害的受侵害的)植株从正被啃食的叶子中释放出植株从正被啃食的叶子中释放出微量的化学物质，就像是发出警告或者呼救：微量的化学物质，就像是发出警告或者呼救：“我被攻击了！我被攻击了！”另一株豆类植物察另一株豆类植物察觉到附近受伤植株释放

12、出的化学物质时，它便开始释放自身不同的化学物质。觉到附近受伤植株释放出的化学物质时，它便开始释放自身不同的化学物质。release v.释放，发行，上映detect v.查明，检测出，侦察tiny mounts of 微量的Some of these chemicals drive insects away.Others attract insectsthe wasps！The wasps kill the insects that are eating the bean plants.Scientists hope to learn more about this plant warning

13、 system,so that we can use it to grow crops without pesticides.其中一些化学物质把昆虫驱走，另一些则会吸引昆虫其中一些化学物质把昆虫驱走，另一些则会吸引昆虫黄蜂黄蜂！黄蜂会杀死正啃食！黄蜂会杀死正啃食豆类植株的昆虫。科学家希望能进一步了解这种植物警报系统，这样我们就可以利豆类植株的昆虫。科学家希望能进一步了解这种植物警报系统，这样我们就可以利用其种植农作物，而不使用用其种植农作物，而不使用农药农药。drive.away 把把赶走赶走More surprisingly，plants also use sound to communic

14、ate.People cant hear these sounds,but plants are making them.Some plants make noises with their roots.Corn and chili plants do this.They also“listen”to the noises from other plants.A chilli plant can tell if a neighboring plant is helpful,or unfriendly.Some trees make clicking noises 1.when there is

15、 not enough water,indicating drought is arriving更令人惊讶的是更令人惊讶的是，植物也会用声音交流。虽然人类无法听到，但是植物确实在，植物也会用声音交流。虽然人类无法听到，但是植物确实在发出声音。有些植物发出声音。有些植物用根部发出响声用根部发出响声，玉米和辣椒就是如此。它们还会，玉米和辣椒就是如此。它们还会“倾听倾听”其其他植物发出的声音。辣椒可以分辨出邻近的植物是敌是友。一些树在没有足够的水他植物发出的声音。辣椒可以分辨出邻近的植物是敌是友。一些树在没有足够的水分时，会发出咔嗒声以示分时，会发出咔嗒声以示干旱干旱即将来临。即将来临。indica

16、te v.表明，指示此处when引导时间状语从句，意为“当时”；indicating.arriving是现在分词短语作伴随状语。Most surprisingly of all,plants have an amazing system of communication that can link nearly every plant in a forest.Scientists call this system the“wood wide web”.It is in some ways similar to the Internet we use.While the Internet is

17、a worldwide network of computers linked by cables and satellites,the wood wide web is linked underground by fungi.This fungal network links the roots of different plants to each other.最令人惊讶的是最令人惊讶的是，植物之间有一个惊人的交流系统，该交流系统可以把森林里几乎每，植物之间有一个惊人的交流系统，该交流系统可以把森林里几乎每一株植物联系起来。科学家称该系统为一株植物联系起来。科学家称该系统为“植物万维网植物

18、万维网”。它在某种程度上与我们使用。它在某种程度上与我们使用的互联网相似。互联网是由电缆和卫星连接起来的全球计算机网络，而植物万维网是的互联网相似。互联网是由电缆和卫星连接起来的全球计算机网络，而植物万维网是由真菌在地下连接而成的。这个真菌网络将不同植物的根系相互连接了起来。由真菌在地下连接而成的。这个真菌网络将不同植物的根系相互连接了起来。link v./n.联系in some ways 在某种程度上be similar to 与相似Using the wood wide web,plants can share information and even food with each oth

19、er.For example,some pine trees can send food to smaller pine trees to help them grow.But just like our own Internet,the wood wide web has its own version of“cybercrime”.Plants can steal food from each other,or spread poisons to attack other plants.Perhaps one day scientists will learn how to create

20、a“firewall”to help prevent these attacks within the wood wide web.通过植物万维网，植物可以相互分享信息甚至食物。例如，一些松树能够给松树幼苗输通过植物万维网，植物可以相互分享信息甚至食物。例如，一些松树能够给松树幼苗输送养分，帮助它们生长。不过就像我们的互联网一样，植物万维网也有自己送养分，帮助它们生长。不过就像我们的互联网一样，植物万维网也有自己版本版本的的“网网络犯罪络犯罪”。植物间会互相窃取食物，或者传播毒素以攻击其他植物。也许有一天，科学。植物间会互相窃取食物，或者传播毒素以攻击其他植物。也许有一天，科学家将学会如何建造

21、家将学会如何建造“防火墙防火墙”来帮助阻止植物万维网内部的攻击。来帮助阻止植物万维网内部的攻击。share sth.With sb.和某人分享某物spread v.传播，蔓延，展开Version n.形式、样式、版本此处是现在分词短语作方式状语。Scientists are learning more every day about the secret ways in which plants talk to each other.Who knows?Maybe one day we will know enough about plant communication to be able

22、to“talk”with them ourselves.此处为此处为“介词关系代词介词关系代词”引导的定语从句，其中介词引导的定语从句，其中介词inin由先行词由先行词waysways的搭配决定。的搭配决定。科学家对于植物互相交流的秘密方式的认识与日俱增。谁知道呢？也科学家对于植物互相交流的秘密方式的认识与日俱增。谁知道呢？也许有一天，我们对植物交流有了足够的了解，便能够亲自与它们许有一天，我们对植物交流有了足够的了解，便能够亲自与它们“交谈交谈”。.核心词汇核心词汇练通练通根据课文语境及汉语提示写出正确的单词根据课文语境及汉语提示写出正确的单词1a thing of myths and _

23、神话和传说里的事情2grow crops without _ 种植不使用农药的作物legendspesticidesPractice 3make noises with their _ 用它们的根发出声响4_ nearly every plant in a forest 把森林里几乎每一种 植物联系起来5around 20 _ tall 大约20厘米高rootslinkcentimetres.拓展词汇拓展词汇用活用活根据提示写出相应的单词根据提示写出相应的单词1_ n(古代的)神话mythical adj.神话的；虚构的2_ v发现，察觉detective n侦探detector n检测器my

24、thdetect.重点短语重点短语再现再现根据课文语境及汉语提示填入合适的短语根据课文语境及汉语提示填入合适的短语1Many cultures have stories of talking trees that give advice _(也；还；除之外)warnings to people.2New research has revealed something amazing:it appears that plants can communicate _(毕竟；终究)as well asafter all3And in some modern stories,such as the f

25、ilm Avatar,trees can _(与交流)animals and people.4The plant releases _(微量的)chemicals from the leaves that are being municate withtiny amounts of5Some of these chemicals _ insects _(把赶走)6It _ in some ways _(和相似)the Internet we use.driveawayissimilar to.重点句型重点句型呈现呈现根据课文语境及汉语提示补全句子根据课文语境及汉语提示补全句子1with复合结构

26、复合结构_(我们一直认为会说话的植物只存在于幻想之中),new research has revealed something amazing:it appears that plants can communicate after all.With us long believing that talking plants are fantasy2so that引导目的状语从句引导目的状语从句Scientists hope to learn more about this plant warning system,_(这样我们就可以利用其种植农作物，而不使用农药)3现在分词短语作伴随状语现在分词短语作伴随状语Some trees make clicking noises when there is not enough water,_(以示干旱就要来了)so that we can use it to grow crops without pesticidesindicating drought is arriving