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外研版 (2019)Unit 5 Revealing nature优秀课件ppt
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这是一份外研版 (2019)Unit 5 Revealing nature优秀课件ppt，共42页。
Develping ideas
Lk at the pictures and tick what plants can d.
□attack□mve□breathe □speak □eat □steal□sleep □think
Read the passage and find ut the ways in which plants cmmunicate.
TheSecret Language f Plants
Plants can cmmunicate with each ther by using chemicals, sund and “wd wide web”.
Organise infrmatin frm the passage and cmplete the diagram.
参考答案1 cmmunicate with each ther2 frm the leaves3 release its wn, different chemicals4 with their rts5 tell if a neighburing plant is helpful, r unfriendly6 clicking nises when there is nt enugh water, indicating drught is arriving7 the rts f different plants t each ther8 share infrmatin and even fd9 steal fd frm each ther, r spread pisns
1 What figure f speech is being used when the plants are described as calling fr help? What is its functin?2 What des “wd wide web” mean?
Think & Share
Persnificatin. It can make descriptins mre vivid.
“Wd wide web” means an amazing system f cmmunicatin that can link nearly every plant in a frest. It is linked undergrund by fungi and this fungal netwrk links the rts f different plants t each ther. Using the wd wide web, plants can share infrmatin and even fd with each ther.
3 What d yu think are the benefits f studying plant cmmunicatin?4 What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Passage 1 reveals the discvery f evlutin and Passage 2 reveals the discvery f cmmunicatin between plants. They all reflect that there are numerus secrets in nature that remain t be explred.
Give a talk abut cmmunicatin between living things.1 Read the passage again and talk abut hw plants cmmunicate.2 Think abut and discuss the fllwing ways f cmmunicatin in the animal wrld. Bees “dance” t signal t ther bees that they have fund fd.Ants cmmunicate with each ther thrugh tuch, chemical signals, mving their bdies and even using their legs t make sunds.
Give a talk abut cmmunicatin between living things.3 Organise yur ideas fllwing the steps belw. Begin with what living things yu have chsen t talk abut.Explain hw they cmmunicate and give examples.Cnclude by explaining what we have learnt frm their behaviur.4 Give a talk t the class abut cmmunicatin between living things.
Writing an bservatinal jurnalRead the bservatinal jurnal and answer the questins.
Writing an bservatinal jurnalRead the bservatinal jurnal and answer the questins.1 Hw were the daffdil bulbs planted? 2 In what envirnment did the leaves grw? 3 What d the flwers lk like?
They were planted side by side in sil, with the pinted ends facing up.
The leaves grew in a sunny, but cl place.
The flwers are yellw and white, and shaped like trumpets.
Writing an bservatinal jurnalWrk in pairs. Lk at the pictures and talk abut hw the sunflwer grws.
One pssible versin:An bservatinal jurnal abut the sunflwer1 JuneCvered with 1-2 cm f mist sil, the sunflwer seed takes a few days t cme up after being planted. Water has been added regularly and the hard seed cat sftens in the damp sil t allw the first rt t pierce dwnwards and the first leaves t push t the sil surface.6 JulyThe rt cntinues t grw dwnwards. The single stem grws hllw and smth, revealing large spade-shaped leaves frm the grwing tip. Gradually, the plant’s grwing tip reveals the first hints f develpment f the flwer bud. The plant stem becmes mre wdy.26 JulyAbut three weeks after the flwer bud first becmes visible at the tip f the sunflwer stem, it enlarges and begins t reveal a flattened disc. Over the curse f ne week, the yellw ray flrets, the disc flrets blm acrss the cre f the sunflwer blssm. It is yellw, lking beautiful.
Presenting ideas
Wrk in grups. Lk at the infrmatin abut the nature dcumentaries and answer the questins.1 Can yu guess what secrets f nature are revealed in these dcumentaries?2 What ther nature dcumentaries have yu watched? Which ne d yu like mst? Give yur reasns.
Chse ne nature dcumentary yu like and cmplete the ntes.Title : __________________________________________________________________Main theme: ____________________________________________________________Reasns yu recmmend it : _______________________________________________________________________________________________________________________
Practise presenting infrmatin abut yur dcumentary. Cnsiderthe fllwing: 1 the structure f yur presentatin2 useful wrds, expressins and structures
Language pints
核心词汇教材原句p.56 And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple. 在一些现代故事——例如电影《阿凡达》——中， 树可以与动物和人类沟通交流。1 cmmunicate with 与……交流The nly way yu can mtivate peple is t cmmunicate with them. 调动人们积极性的唯一方法是与他们交流。【归纳拓展】（1）cmmunicate by 通过……方式交流 cmmunicate sth. t sb. 把某事传达给某人 Nwadays peple rarely cmmunicate by letter. 现在人们很少写信交流。［词汇复现］ She is unable t cmmunicate her ideas t ther peple. 她无法把自己的想法传达给别人。（2）cmmunicatin n. 交流，沟通 be in cmmunicatin with sb. 与某人保持联络
◆单句语法填空（1）Parents smetimes find it difficult t cmmunicate their teenage children. （2）We cmmunicated mstly e-mail. （3）The decisin was cmmunicated ur staff at the end f last year. （4）［词汇复现］Gd （cmmunicate） is essential in a large rganizatin. ◆完成句子（5）她无意间向孩子传达了她的焦虑。Withut meaning t, she her child.
cmmunicatin
cmmunicated her anxiety t
教材原句p.56 The plant releases tiny amunts f chemicals frm the leaves that are being eaten. 正遭受啃食的叶子会释放出微量的化学物质。2 tiny amunts f 微量的Tiny amunts f vitamins shuld be taken by these patients. 这些病人应该服用少量的维生素。【误区警示】（1）amunt 只可用来修饰不可数名词。如：a large amunt f mney（√） a large amunt f bks（×）（此处应把amunt 改作 number） （2）“an amunt f + 不可数名词”作主语，谓语动词用单数形式；“amunts f + 不可数名词”作主语，谓语动词用复数形式。即谓语动词与amunt 的单复数形式一致。
【归纳拓展】（1）a cnsiderable/a large/an enrmus amunt f 相当数额的，大量的a small/tiny amunt f 一点点n amunt f sth. can/will d sth. 即使再多（再大）……也毫无结果（毫无影响） N amunt f washing can remve the ink. 再洗也洗不掉墨水。（2）amunt t（数量上）达到，总计；等于，意味着nt amunt t much/anything/a great deal 没多少意义（价值、成就等） If he ges n like this，he’ll never amunt t anything. 如果他继续这样下去，他将一事无成。
◆单句语法填空（1）［词汇复现］A large amunt f mney （spend）n advertisements every year. （2）Small amunts f land （use）fr keeping animals. （3）Finally, their ideas amunt the same thing. ◆完成句子（4）The spkesman stressed that the measures did nt （等于）an verall ban. （5） （怎么劝也无法） make her change her mind. （6）Her case has attracted （大量的）public sympathy. （7）Her academic achievements （没有多大价值）.
N amunt f persuasin culd/can
an enrmus/a large/ a cnsiderable amunt f
dn’t amunt t much/ anything/a great deal
教材原句p.56 When anther bean plant detects the chemicals frm its injured neighbur... 当另一株豆类植物察觉到附近受伤同伴释放的化学物质时…… 3 detect v. 发现，察觉（尤指不易觉察到的事物） 搭配：detect sb. ding sth. 发现某人在做某事 I detected a change in his md. 我觉察出他的情绪有变化。［词汇复现］ We detected a peacck pacing in the wd. 我们发现一只孔雀在树林里踱步。［词汇复现］ 【单词积累】detectable adj. 可察觉的，可发现的 detectin n. 察觉，发现；侦查
◆单句语法填空（1）［词汇复现］The teacher detected him （cheat）in the exam. （2）Early （detect）f the disease is vital. （3）Sme sunds cannt （detect）by the human ear. ◆完成句子（4）The by （被发现在偷） apples frm the rchard（果园）.
be detected
was detected stealing
教材原句p.56 Sme f these chemicals drive insects away. 其中一些化学物质能驱赶昆虫。4 驱赶……，赶走…… What can I d t drive these feelings f sadness away? 我能做些什么来赶走这些悲伤的感觉呢？ 【归纳拓展】 赶走…… 迫使……离开；使……消失 drive dwn （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. t d sth. 迫使/ 促使某人做某事 drive sb. t/int... 迫使某人进入某状态 The cmpanies try t drive dwn wages in rder t make mre prfits. 公司设法压低工资以赚取更多的利润。What emtive experience drve the fellw t d s? 是什么情感经历驱使这个家伙这样做的？［词汇复现］
◆单句语法填空（1）［词汇复现］He was cruel because he wanted t drive me . （2）As we went frward, ur jy was driven by hrrr. （3）The msquites drive me distractin. （4）We have t drive high csts. ◆完成句子（5）The failure （使他绝望）. （6）The detective wndered what （促使汤姆打电话给她）.
drve him t/int despair
had driven Tm t phne her
教材原句p.56 have an amazing system f cmmunicatin that can link nearly every plant in a frest. ……植物拥有一套神奇的信息交流系统，几乎可以连接起森林中所有的植物。5 link v. & n. （1）v. 把……联系起来；连接 把……与……联系/ 连接起来 link sb. /sth. tgether 把……联系/ 连接在一起be linked t/with 与……有关The new bridge will link the island t the mainland. 这座新桥将把那个岛与大陆连接起来。The tw cuntries are friendly neighburing cuntries linked tgether as flesh and bld. 两国是血肉相连的友好邻邦。Expsure t ultravilet light is clsely linked t skin cancer. 受紫外线照射与皮肤癌紧密相关。
（2）n. 联系，连接a/the link between...……之间的联系 have strng links with... 和……关系牢固Plice suspect there may be a link between the tw murders. 警方怀疑那两桩凶杀案可能有关联。［词汇复现］ the clse link between teachers and students 师生之间的紧密关系
◆单句语法填空（1）The study further strengthens the evidence （link） smking with early death. （2）Sme birth defects are linked smking during pregnancy. （3）Is there a link smking and lung disease? ◆完成句子（4）Strng family ties still （把他们联系在一起）. （5）The pipe must （和…… 连接）the cld water supply. （6）There are （……之间有许多联系）the tw theries. （7）The cmpany （与……关系牢固）big investrs.
linked them tgether
be linked t/with
a number f links between
has strng links with
教材原句p.58 Bees “dance” t signal t ther bees that they have fund fd. 蜜蜂“跳舞”是为了向其他蜜蜂表明它们找到了食物。6 signal v. & n. （1）v. 发信号，示意signal t sb. 向某人示意 signal fr sth. 示意要某物 signal（t）sb. t d sth. 示意某人去做某事 The judge signaled t a plice fficer and the man was led away. 法官向一名警察示意，于是那人就被带走了。The ship signaled fr help. 那艘船发出了求救信号。He signaled the waiter t bring the menu. 他示意服务员拿菜单来。
（2）n. 信号；标志；预示a/the signal（fr sb.）t d 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 Her speech yesterday is a signal that the trend has changed. 她昨天的讲话表明趋势已经改变。［词汇复现］ The alarm was a signal fr everyne t leave the building. 警报器一响，就是要所有人离开大楼。The plice fficer gave us the signal t stp. 警察示意我们停下。
◆单句语法填空（1）When she gt up frm the table，it was bviusly the signal us t leave. （2）She signaled Ted that she was mving frward. （3）He pushed his plate away and signaled cffee. （4）The plice signaled the traffic （mve）frward slwly. ◆完成句子（5）The headmaster （示意） t begin. （6）The Cast Guard （接收到信号）frm a freighter 50 miles away at sea.
gave the signal
picked up/received a signal
重点句式 教材原句p.56 Alexander the Great and Marc Pl were said t have visited such a tree in India. 据说亚历山大大帝和马可·波罗曾在印度见过这样一棵树。1 Sb. be said t d... 据说某人做…… 句式Sb. be said t d... 相当于 It be said that sb. ...，意为“据说某人做……”。其中，不定式根据情况可用一般式、进行式或完成式： Sb. be said t d... 据说某人做…… Sb. be said t be ding... 据说某人正在做…… Sb. be said t have dne... 据说某人曾做过…… He is said t be a gd dancer. =It is said that he is a gd dancer. 据说他跳舞跳得很好。His brther is said t be wrking in an amusement park. =It is said that his brther is wrking in an amusement park. 据说他的弟弟在游乐场工作。［词汇复现］ Sme f ur research may be said t have reached advanced levels. 我们有些研究工作可以说已经达到了先进水平。
【归纳拓展】It is thught that... 据认为……It is believed that... 人们相信…… It is reprted that... 据报道…… It is claimed that... 据称…… It is hped that... 人们希望…… It is well-knwn that... 众所周知…… It is generally cnsidered that... 大家普遍认为…… It is believed that Jhn will be elected chairman f the assciatin. 人们相信约翰将被选为协会主席。［词汇复现］ It is reprted that the temperature will decline sharply in ne r tw days. 据报道，近一两天气温将急剧下降。［词汇复现］
◆单句语法填空（1）It （say）that this by，wh had a great gift fr languages and persuasin，is the father f the Manchu peple. （2）He is said （be）the richest man in the wrld nw. （3）She is said （sing）very well when she was yung. （4）He is said （fcus）n strategic prjects and is particularly interested in scial netwrking. ◆完成句子（5）Regulatrs （据说正在调查）hw the accident ccurred. （6） （大家希望） it wn’t rain n ur camping day. ◆同义句转换（7）It is said that carbn dixide is heating the earth twice as quickly as previusly feared. =Carbn dixide the earth twice as quickly as previusly feared. （8）It is said that the early Eurpean playing-cards were designed fr entertainment and educatin. =The early Eurpean playing-cards fr entertainment and educatin.
t have sung
t be fcusing
are said t be examining
It is hped that
is said t be heating
are said t have been designed
教材原句p.59 On each stem are tw leaves, which are lng and narrw with a waxy texture. 每根茎上有两片叶子，又长又窄，有蜡制的质地。【句式分析】该主从复合句中主句部分使用了完全倒装；which引导非限制性定语从句，对leaves 进行补充说明。2 完全倒装 完全倒装就是将谓语动词全部置于主语之前。主要有以下几种 情况： （1）表示地点的介词短语 + 不及物动词/ 系动词be + 主语（名词） In a lecture hall f a university in England sits a prfessr. 在英国一所大学的讲堂里坐着一位教授。By the windw std a yung fellw with a badge in his hand. 窗边站着一个年轻人，他的手里拿着一枚徽章。［词汇复现］
（2）作表语的形容词/ 分词短语 + 系动词be + 主语（名词） Present at the party are several cmpsers and gelgists. 出席宴会的是几位作曲家和地质学家。［词汇复现］ Grwing all ver the muntain are wild flwers. 漫山遍野都是野花。（3）表示方位/地点/时间的副词（in，ut，dwn，up，ff，away， here，there，nw，then 等）+ 不及物动词/系动词be + 主语（名词） Dwn came the rain and up went the umbrellas. 下雨了，伞都撑起来了。Here cmes the bus. 公共汽车来了。Nw cmes yur turn. 现在轮到你了。
◆完成句子（1） （在里面是）an exhibitin f the mst up-t-date inventins f the 21st century. （2） （学校的中心坐落着）ur library, which is between the garden and the teaching building. （3） （坐在地上的是）a grup f yung peple. （4） （在我们房子的前面有）a tall tree with a histry f 1,000 years, which is prtected by the gvernment nw. （5）As she turned arund, （站在那儿）Gladys Claffern. （6）—Hw can I realize my dreams in a shrt time? —Be practical. （你和你的梦想之间有） a lt f hard wrk.
In the centre f ur schl lies/is
Seated n the grund are
In frnt f ur huse stands/is
Between yu and yur dreams stands
Develping ideas
Lk at the pictures and tick what plants can d.
□attack□mve□breathe □speak □eat □steal□sleep □think
Read the passage and find ut the ways in which plants cmmunicate.
TheSecret Language f Plants
Plants can cmmunicate with each ther by using chemicals, sund and “wd wide web”.
Organise infrmatin frm the passage and cmplete the diagram.
参考答案1 cmmunicate with each ther2 frm the leaves3 release its wn, different chemicals4 with their rts5 tell if a neighburing plant is helpful, r unfriendly6 clicking nises when there is nt enugh water, indicating drught is arriving7 the rts f different plants t each ther8 share infrmatin and even fd9 steal fd frm each ther, r spread pisns
1 What figure f speech is being used when the plants are described as calling fr help? What is its functin?2 What des “wd wide web” mean?
Think & Share
Persnificatin. It can make descriptins mre vivid.
“Wd wide web” means an amazing system f cmmunicatin that can link nearly every plant in a frest. It is linked undergrund by fungi and this fungal netwrk links the rts f different plants t each ther. Using the wd wide web, plants can share infrmatin and even fd with each ther.
3 What d yu think are the benefits f studying plant cmmunicatin?4 What discveries are described in the tw reading passages in this unit and what d their meanings have in cmmn?
Passage 1 reveals the discvery f evlutin and Passage 2 reveals the discvery f cmmunicatin between plants. They all reflect that there are numerus secrets in nature that remain t be explred.
Give a talk abut cmmunicatin between living things.1 Read the passage again and talk abut hw plants cmmunicate.2 Think abut and discuss the fllwing ways f cmmunicatin in the animal wrld. Bees “dance” t signal t ther bees that they have fund fd.Ants cmmunicate with each ther thrugh tuch, chemical signals, mving their bdies and even using their legs t make sunds.
Give a talk abut cmmunicatin between living things.3 Organise yur ideas fllwing the steps belw. Begin with what living things yu have chsen t talk abut.Explain hw they cmmunicate and give examples.Cnclude by explaining what we have learnt frm their behaviur.4 Give a talk t the class abut cmmunicatin between living things.
Writing an bservatinal jurnalRead the bservatinal jurnal and answer the questins.
Writing an bservatinal jurnalRead the bservatinal jurnal and answer the questins.1 Hw were the daffdil bulbs planted? 2 In what envirnment did the leaves grw? 3 What d the flwers lk like?
They were planted side by side in sil, with the pinted ends facing up.
The leaves grew in a sunny, but cl place.
The flwers are yellw and white, and shaped like trumpets.
Writing an bservatinal jurnalWrk in pairs. Lk at the pictures and talk abut hw the sunflwer grws.
One pssible versin:An bservatinal jurnal abut the sunflwer1 JuneCvered with 1-2 cm f mist sil, the sunflwer seed takes a few days t cme up after being planted. Water has been added regularly and the hard seed cat sftens in the damp sil t allw the first rt t pierce dwnwards and the first leaves t push t the sil surface.6 JulyThe rt cntinues t grw dwnwards. The single stem grws hllw and smth, revealing large spade-shaped leaves frm the grwing tip. Gradually, the plant’s grwing tip reveals the first hints f develpment f the flwer bud. The plant stem becmes mre wdy.26 JulyAbut three weeks after the flwer bud first becmes visible at the tip f the sunflwer stem, it enlarges and begins t reveal a flattened disc. Over the curse f ne week, the yellw ray flrets, the disc flrets blm acrss the cre f the sunflwer blssm. It is yellw, lking beautiful.
Presenting ideas
Wrk in grups. Lk at the infrmatin abut the nature dcumentaries and answer the questins.1 Can yu guess what secrets f nature are revealed in these dcumentaries?2 What ther nature dcumentaries have yu watched? Which ne d yu like mst? Give yur reasns.
Chse ne nature dcumentary yu like and cmplete the ntes.Title : __________________________________________________________________Main theme: ____________________________________________________________Reasns yu recmmend it : _______________________________________________________________________________________________________________________
Practise presenting infrmatin abut yur dcumentary. Cnsiderthe fllwing: 1 the structure f yur presentatin2 useful wrds, expressins and structures
Language pints
核心词汇教材原句p.56 And in sme mdern stries, such as the film Avatar, trees can cmmunicate with animals and peple. 在一些现代故事——例如电影《阿凡达》——中， 树可以与动物和人类沟通交流。1 cmmunicate with 与……交流The nly way yu can mtivate peple is t cmmunicate with them. 调动人们积极性的唯一方法是与他们交流。【归纳拓展】（1）cmmunicate by 通过……方式交流 cmmunicate sth. t sb. 把某事传达给某人 Nwadays peple rarely cmmunicate by letter. 现在人们很少写信交流。［词汇复现］ She is unable t cmmunicate her ideas t ther peple. 她无法把自己的想法传达给别人。（2）cmmunicatin n. 交流，沟通 be in cmmunicatin with sb. 与某人保持联络
◆单句语法填空（1）Parents smetimes find it difficult t cmmunicate their teenage children. （2）We cmmunicated mstly e-mail. （3）The decisin was cmmunicated ur staff at the end f last year. （4）［词汇复现］Gd （cmmunicate） is essential in a large rganizatin. ◆完成句子（5）她无意间向孩子传达了她的焦虑。Withut meaning t, she her child.
cmmunicatin
cmmunicated her anxiety t
教材原句p.56 The plant releases tiny amunts f chemicals frm the leaves that are being eaten. 正遭受啃食的叶子会释放出微量的化学物质。2 tiny amunts f 微量的Tiny amunts f vitamins shuld be taken by these patients. 这些病人应该服用少量的维生素。【误区警示】（1）amunt 只可用来修饰不可数名词。如：a large amunt f mney（√） a large amunt f bks（×）（此处应把amunt 改作 number） （2）“an amunt f + 不可数名词”作主语，谓语动词用单数形式；“amunts f + 不可数名词”作主语，谓语动词用复数形式。即谓语动词与amunt 的单复数形式一致。
【归纳拓展】（1）a cnsiderable/a large/an enrmus amunt f 相当数额的，大量的a small/tiny amunt f 一点点n amunt f sth. can/will d sth. 即使再多（再大）……也毫无结果（毫无影响） N amunt f washing can remve the ink. 再洗也洗不掉墨水。（2）amunt t（数量上）达到，总计；等于，意味着nt amunt t much/anything/a great deal 没多少意义（价值、成就等） If he ges n like this，he’ll never amunt t anything. 如果他继续这样下去，他将一事无成。
◆单句语法填空（1）［词汇复现］A large amunt f mney （spend）n advertisements every year. （2）Small amunts f land （use）fr keeping animals. （3）Finally, their ideas amunt the same thing. ◆完成句子（4）The spkesman stressed that the measures did nt （等于）an verall ban. （5） （怎么劝也无法） make her change her mind. （6）Her case has attracted （大量的）public sympathy. （7）Her academic achievements （没有多大价值）.
N amunt f persuasin culd/can
an enrmus/a large/ a cnsiderable amunt f
dn’t amunt t much/ anything/a great deal
教材原句p.56 When anther bean plant detects the chemicals frm its injured neighbur... 当另一株豆类植物察觉到附近受伤同伴释放的化学物质时…… 3 detect v. 发现，察觉（尤指不易觉察到的事物） 搭配：detect sb. ding sth. 发现某人在做某事 I detected a change in his md. 我觉察出他的情绪有变化。［词汇复现］ We detected a peacck pacing in the wd. 我们发现一只孔雀在树林里踱步。［词汇复现］ 【单词积累】detectable adj. 可察觉的，可发现的 detectin n. 察觉，发现；侦查
◆单句语法填空（1）［词汇复现］The teacher detected him （cheat）in the exam. （2）Early （detect）f the disease is vital. （3）Sme sunds cannt （detect）by the human ear. ◆完成句子（4）The by （被发现在偷） apples frm the rchard（果园）.
be detected
was detected stealing
教材原句p.56 Sme f these chemicals drive insects away. 其中一些化学物质能驱赶昆虫。4 驱赶……，赶走…… What can I d t drive these feelings f sadness away? 我能做些什么来赶走这些悲伤的感觉呢？ 【归纳拓展】 赶走…… 迫使……离开；使……消失 drive dwn （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. t d sth. 迫使/ 促使某人做某事 drive sb. t/int... 迫使某人进入某状态 The cmpanies try t drive dwn wages in rder t make mre prfits. 公司设法压低工资以赚取更多的利润。What emtive experience drve the fellw t d s? 是什么情感经历驱使这个家伙这样做的？［词汇复现］
◆单句语法填空（1）［词汇复现］He was cruel because he wanted t drive me . （2）As we went frward, ur jy was driven by hrrr. （3）The msquites drive me distractin. （4）We have t drive high csts. ◆完成句子（5）The failure （使他绝望）. （6）The detective wndered what （促使汤姆打电话给她）.
drve him t/int despair
had driven Tm t phne her
教材原句p.56 have an amazing system f cmmunicatin that can link nearly every plant in a frest. ……植物拥有一套神奇的信息交流系统，几乎可以连接起森林中所有的植物。5 link v. & n. （1）v. 把……联系起来；连接 把……与……联系/ 连接起来 link sb. /sth. tgether 把……联系/ 连接在一起be linked t/with 与……有关The new bridge will link the island t the mainland. 这座新桥将把那个岛与大陆连接起来。The tw cuntries are friendly neighburing cuntries linked tgether as flesh and bld. 两国是血肉相连的友好邻邦。Expsure t ultravilet light is clsely linked t skin cancer. 受紫外线照射与皮肤癌紧密相关。
（2）n. 联系，连接a/the link between...……之间的联系 have strng links with... 和……关系牢固Plice suspect there may be a link between the tw murders. 警方怀疑那两桩凶杀案可能有关联。［词汇复现］ the clse link between teachers and students 师生之间的紧密关系
◆单句语法填空（1）The study further strengthens the evidence （link） smking with early death. （2）Sme birth defects are linked smking during pregnancy. （3）Is there a link smking and lung disease? ◆完成句子（4）Strng family ties still （把他们联系在一起）. （5）The pipe must （和…… 连接）the cld water supply. （6）There are （……之间有许多联系）the tw theries. （7）The cmpany （与……关系牢固）big investrs.
linked them tgether
be linked t/with
a number f links between
has strng links with
教材原句p.58 Bees “dance” t signal t ther bees that they have fund fd. 蜜蜂“跳舞”是为了向其他蜜蜂表明它们找到了食物。6 signal v. & n. （1）v. 发信号，示意signal t sb. 向某人示意 signal fr sth. 示意要某物 signal（t）sb. t d sth. 示意某人去做某事 The judge signaled t a plice fficer and the man was led away. 法官向一名警察示意，于是那人就被带走了。The ship signaled fr help. 那艘船发出了求救信号。He signaled the waiter t bring the menu. 他示意服务员拿菜单来。
（2）n. 信号；标志；预示a/the signal（fr sb.）t d 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 Her speech yesterday is a signal that the trend has changed. 她昨天的讲话表明趋势已经改变。［词汇复现］ The alarm was a signal fr everyne t leave the building. 警报器一响，就是要所有人离开大楼。The plice fficer gave us the signal t stp. 警察示意我们停下。
◆单句语法填空（1）When she gt up frm the table，it was bviusly the signal us t leave. （2）She signaled Ted that she was mving frward. （3）He pushed his plate away and signaled cffee. （4）The plice signaled the traffic （mve）frward slwly. ◆完成句子（5）The headmaster （示意） t begin. （6）The Cast Guard （接收到信号）frm a freighter 50 miles away at sea.
gave the signal
picked up/received a signal
重点句式 教材原句p.56 Alexander the Great and Marc Pl were said t have visited such a tree in India. 据说亚历山大大帝和马可·波罗曾在印度见过这样一棵树。1 Sb. be said t d... 据说某人做…… 句式Sb. be said t d... 相当于 It be said that sb. ...，意为“据说某人做……”。其中，不定式根据情况可用一般式、进行式或完成式： Sb. be said t d... 据说某人做…… Sb. be said t be ding... 据说某人正在做…… Sb. be said t have dne... 据说某人曾做过…… He is said t be a gd dancer. =It is said that he is a gd dancer. 据说他跳舞跳得很好。His brther is said t be wrking in an amusement park. =It is said that his brther is wrking in an amusement park. 据说他的弟弟在游乐场工作。［词汇复现］ Sme f ur research may be said t have reached advanced levels. 我们有些研究工作可以说已经达到了先进水平。
【归纳拓展】It is thught that... 据认为……It is believed that... 人们相信…… It is reprted that... 据报道…… It is claimed that... 据称…… It is hped that... 人们希望…… It is well-knwn that... 众所周知…… It is generally cnsidered that... 大家普遍认为…… It is believed that Jhn will be elected chairman f the assciatin. 人们相信约翰将被选为协会主席。［词汇复现］ It is reprted that the temperature will decline sharply in ne r tw days. 据报道，近一两天气温将急剧下降。［词汇复现］
◆单句语法填空（1）It （say）that this by，wh had a great gift fr languages and persuasin，is the father f the Manchu peple. （2）He is said （be）the richest man in the wrld nw. （3）She is said （sing）very well when she was yung. （4）He is said （fcus）n strategic prjects and is particularly interested in scial netwrking. ◆完成句子（5）Regulatrs （据说正在调查）hw the accident ccurred. （6） （大家希望） it wn’t rain n ur camping day. ◆同义句转换（7）It is said that carbn dixide is heating the earth twice as quickly as previusly feared. =Carbn dixide the earth twice as quickly as previusly feared. （8）It is said that the early Eurpean playing-cards were designed fr entertainment and educatin. =The early Eurpean playing-cards fr entertainment and educatin.
t have sung
t be fcusing
are said t be examining
It is hped that
is said t be heating
are said t have been designed
教材原句p.59 On each stem are tw leaves, which are lng and narrw with a waxy texture. 每根茎上有两片叶子，又长又窄，有蜡制的质地。【句式分析】该主从复合句中主句部分使用了完全倒装；which引导非限制性定语从句，对leaves 进行补充说明。2 完全倒装 完全倒装就是将谓语动词全部置于主语之前。主要有以下几种 情况： （1）表示地点的介词短语 + 不及物动词/ 系动词be + 主语（名词） In a lecture hall f a university in England sits a prfessr. 在英国一所大学的讲堂里坐着一位教授。By the windw std a yung fellw with a badge in his hand. 窗边站着一个年轻人，他的手里拿着一枚徽章。［词汇复现］
（2）作表语的形容词/ 分词短语 + 系动词be + 主语（名词） Present at the party are several cmpsers and gelgists. 出席宴会的是几位作曲家和地质学家。［词汇复现］ Grwing all ver the muntain are wild flwers. 漫山遍野都是野花。（3）表示方位/地点/时间的副词（in，ut，dwn，up，ff，away， here，there，nw，then 等）+ 不及物动词/系动词be + 主语（名词） Dwn came the rain and up went the umbrellas. 下雨了，伞都撑起来了。Here cmes the bus. 公共汽车来了。Nw cmes yur turn. 现在轮到你了。
◆完成句子（1） （在里面是）an exhibitin f the mst up-t-date inventins f the 21st century. （2） （学校的中心坐落着）ur library, which is between the garden and the teaching building. （3） （坐在地上的是）a grup f yung peple. （4） （在我们房子的前面有）a tall tree with a histry f 1,000 years, which is prtected by the gvernment nw. （5）As she turned arund, （站在那儿）Gladys Claffern. （6）—Hw can I realize my dreams in a shrt time? —Be practical. （你和你的梦想之间有） a lt f hard wrk.
In the centre f ur schl lies/is
Seated n the grund are
In frnt f ur huse stands/is
Between yu and yur dreams stands
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