1、第三课时Developing ideas & Presenting ideas.词汇初探1myth n. 神话2legend n. 传奇；传说3detect v发现；察觉detective adj. 侦探的；n. 侦探，警探detection n. 侦查；探测4wasp n. 黄蜂5pesticide n. 杀虫剂；农药6root n. 根7link v. 把联系起来；连接8fungus n. 真菌fungal adj. 真菌的.短语互译1毕竟；终究after_all 2把赶走 drive_away 3. 少量的 tiny_amounts_of 4和；也 as_well_as5communic
2、ate with 和交流 6in some ways 在某些方面 7steal.from 从偷 8call for help 呼救 .经典句式1Alexander the Great and Marco Polo were said to_have_visited such a tree in India.(P56)据说亚历山大大帝和马可波罗在印度见到过这样一棵树。2It appears that plants can communicate after all.(P56)似乎植物可以交流。3Scientists hope to learn more about this plant warn
3、ing system, so_that we can use it to grow crops without pesticides. (P56)科学家们希望更多地了解这种植物预警系统，以便我们能够利用它来种植不用杀虫剂的作物。4Using the wood wide web, plants can share information and even food with each other.(P57)利用树联网，植物可以彼此共享信息甚至食物。5Maybe one day we will know enough about plant communication to_be_able to
4、“talk”with them ourselves. (P57)也许有一天，我们会对植物的交流有足够的了解，能够自己和它们“交谈”。.语篇理解Step.Read the text on Page 5657 and choose the best answers.1Which of the following statements is wrong according to the passage?AMany cultures have stories of talking trees. BAlexander the Great and Marco Polo were said to have
5、visited such a tree. CTrees can communicate with animals and people in some modern stories.DWe used to believe that there were talking trees.答案：D2Modern research shows plants can communicate using something except _.Achemicals Bfood Csound Dwood wide web答案：B3Which plants communicate by making noises
6、 according to the passage?ACorn and chilli. BCorn and wheat. CWheat and chilli. DChilli and rice.答案：A4Some pine trees can communicate with each other by _.Asound Bchemicals Cthe fungal network Dlight答案：C5From the passage, we can infer that _.Atalking trees are merely legends Bpeople have long been e
7、xploring the secret language of plantsCwe can communicate with plants ourselvesDit is impossible for the wood wide web to be attacked答案：BStep.Fill in the blanks according to the text.We have had a belief that talking plants are fantasy, but new research has revealed something _1_ (amaze): it appears
8、 that plants can communicate in three ways.First, some plants use chemicals _2_ (communicate)with each other. For example, when a bean plant gets _3_ (attack)by insects, it will release tiny amounts of chemicals from the leaves that _4_(eat)This is like a warning to other bean plants._5_(surprise),
9、plants also use sound to communicate. Some plants also “listen” to the noises from other plants. A chilli plant can tell if a neighbouring plant is helpful _6_unfriendly. Most surprisingly of all, plants have _7_amazing system of communication called “wood wide web”. Using the web, plants can share
10、information and even food with each other. _8_， the wood wide web has its own version of “cybercrime”Plants can steal food_9_each other or spread poisons to attack other plants. Scientists will learn how to create a “firewall” to help prevent these attacks.Scientists are learning more about the secr
11、et ways_10_ plants talk to each other. Maybe one day we will be able to “talk”with plants.1amazing2.to_communicate3.attacked4.are_being_eaten5More_surprisingly6.or7.an8.However9.from10in_which1 教材原句 Most surprisingly of all, plants have an amazing system of communication that can link nearly every p
12、lant in a forest.(P56)最令人惊讶的是，植物有一个惊人的通讯系统，几乎可以连接森林中的每一种植物。eg.This old Silk Road linked China with the West in ancient times.这条古老的丝绸之路在古代把中国和西方连接了起来。 归纳拓展(1)link.to/with.将和联系或连接起来link.together 把连接在一起(2)link up with. 与联合；使与衔接link up 连接；结合a link between A and B A与B之间的联系a link with sth./sb. 与某事/某人的联系(3
13、)表示“把和连接起来”的短语还有connect.to/with/and.join.to/and.即时巩固单句语法填空/完成句子The new bridge will link the island to the mainland.Is there a link between smoking and lung disease?吸烟与肺部疾病之间有关系吗？There is convincing evidence that skin cancer is_linked_to exposure to the sun.有令人信服的证据表明皮肤癌与暴露在阳光下有关。2 figure n. 画像；身材；数字
14、；体形v.估计；计算；认为教材原句What figure of speech is being used when the plants are described as calling for help？(P58)当植物被描述为需要帮助时，使用的是什么语言代码？归纳拓展(1) keep ones figure 保持体形have a good figure 身材好a political/public figure 一位政治/公众人物(2) figure on 打算；指望figure in 算入，包括进figure out 理解；想出；计算出即时巩固 (1)写出下列句子中figure的含义She
15、 has a good figure. 身材，体形By 2014, this figure had risen to 14 million. 数字Chairman Mao is an important political figure. 人物I figured that he was drunk and shouldnt be allowed to drink more. 认为(2)完成句子How does Mary manage to keep_her_figure when she eats so much?玛丽吃得这么多，究竟是怎样保持优美身材的？We figure_on your c
16、oming early to help us.我们指望你们早些来帮助我们。I cant figure_out what it is that makes him so depressed recently.我琢磨不透最近什么事让他情绪这么低落。3 教材原句Bees“dance”to signal to other bees that they have found food. (P58)蜜蜂“跳舞”向其他蜜蜂发出它们找到食物的信号。归纳拓展(1)signal to sb.to do sth.示意某人做某事signal (to sb.) that. 示意 (某人)(2) give signals
17、/a signal (to sb.) (向某人)发信号a traffic signal 交通信号send out a signal 发出信号名师点津signal指为某一目的而有意发出的信号；symbol指象征或表达某种深邃意蕴的特殊事物；sign普通用词，指人们公认的事物的标志，也可指某种情况的征兆；mark普通用词，含义广泛。既可指为便于辨认而有意做的标记，又可指自然形成的标记或有别于其他事物的特征。即时巩固单句语法填空As soon as he sat down at the table, he signaled to the waiter to bring the menu.The po
18、liceman signalled the driver to_stop (stop) his car by raising his hand.He stood up, signaling (signal) to the police officer that he had finished talking with his client.1 教材原句It appears that plants can communicate after all.(P56)似乎植物可以交流。归纳拓展at all究竟 (在问句、条件句及肯定句中表强调) not.at all 根本不；一点也不in all 总共a
19、bove all 首先；最重要的是all in all 总的来说；总而言之first of all 首先 (强调次序) 即时巩固用all的短语补全句子Bob thought he couldnt go to the party because he had to write a report，but he went after_all.We must work，and above_all we must believe in ourselves.First_of_all，let me introduce myself to you.There are thirty in_all in the
20、party who will travel to Lanzhou.2 教材原句The plant releases tiny amounts of chemicals from the leaves that are being eaten.(P56)这种植物从被吃掉的叶子中释放出微量的化学物质。归纳拓展a small/large amount of不可数名词少/大量的amounts of不可数名词大量的the amount of不可数名词的数量amount to 合计；总共；相当于名师点津a huge amount of用来修饰不可数名词，“a huge amount of不可数名词”作主语
21、时，谓语动词用单数；“huge amounts of不可数名词”作主语时，谓语动词用复数。即时巩固 单句语法填空/完成句子A huge amount of oil was (be) on the road yesterday, the effects of which are not clear.Huge amounts of oil were (be) on the road yesterday, the effects of which are not clear.At the start of the year，foreigners living in Italy amounted_to
22、 4.56 million.今年年初，居住在意大利的外国人数量达到了456万。3 教材原句Some of these chemicals drive insects away.Others attract insectsthe wasps.(P56)其中一些化学物质会驱走昆虫，另一些则会吸引昆虫黄蜂。eg.After two and a half years, the mother drove the young panda away.两年半后，熊猫妈妈把小熊猫赶跑了。 归纳拓展(1) drive off 开车离开 drive sb.crazy/mad 把某人逼疯drive sb./sth.o
23、ut of sth.把某人/物赶出去(2)go for a drive 去兜风即时巩固完成句子Someone drove the car away in the night.有人夜里把车开走了。I watched several people go by，get into their cars and drive_off.我看着几个人走过，上车然后开车离开。The children nearly drove her crazy by making fun of her.孩子们取笑她，这简直让她发疯。Alexander the Great and Marco Polo were said to
24、have visited such a tree in India.(P56)据说亚历山大大帝和马可波罗在印度见到过这样一棵树。句式分析本句为 sb.is said to have done sth.结构，表示据说某人做过某事。归纳拓展(1)该句型中的不定式根据句子意思可有一般式 (to do)、进行式 (to be doing)和完成式 (to have done)三种形式。(2)该结构还可以转换成It is said that.结构。类似的结构还有：It is thought that.大家认为It is believed that.人们相信It is hoped that.人们希望It
25、is reported that.据报道It is wellknown that.众所周知It is generally considered that.大家认为It is supposed that.据推测即时巩固 单句语法填空/完成句子It is said that a new shopping mall was built in the city the other day.A new shopping mall is said to_have_been_built in the city the other day.He is thought to_have_acted (act) f
26、oolishly. Now he has no one but himself to blame for losing the job.Carbon dioxide is said to_be_heating (heat) the earth twice as quickly as previously feared.John is said to_be one of the best teachers in the school.It_is_said_that John is one of the best teachers in the school.据说约翰是这个学校最好的老师之一。.单
27、词拼写1There is a famous Greek myth (神话) in which Icarus flew too near to the sun.2She was a legend (传奇) in her own lifetime.3The tests are designed to detect(发现)the disease early.4These are vegetables grown without the use of pesticides(杀虫剂)5I pulled the plant up by the roots (根)6The video cameras are
28、 linked (联系)to a powerful computer.选词填空drive away； after all； in some ways； as well as； be linked with；amounts of1Television stations around the world are_linked_with each other by satellite.2Large amounts_of money are needed for the trip.3Why are you so anxious？It isnt your problem after_all.4In th
29、e afternoon，he took his wife and drove_away from the city.5As_well_as writing stories, I love reading and listening to music.6In_some_ways,_it could be better for developers and for users.完成句子1Its obvious that this man is_linked_to this accident.很明显这个人与此事有关。2It_is_hoped_that the terrible disease wil
30、l soon be controlled.人们希望这种可怕的疾病能迅速得到控制。3When he goes out，he often wears sunglasses so_that_/in_order_that nobody/no one can recognize him.他外出时经常戴太阳镜，这样就没人能认出他了。4They went home happily, talking_and_laughing.他们高高兴兴地回家了，路上有说有笑。5The boy was lucky enough to_escape_being_punished for telling a lie.这个男孩很幸运，逃脱了说谎的惩罚。
