Unit+5+Words+and+Starting+out（ppt课件）-新外研版（2019）《高中英语》选择性必修第一册.pptx

1、Revealing Nature1.distantadj._n.距离距离_adv.遥远地遥远地;疏远地疏远地,冷漠地冷漠地syn.2.disgracen._adj.丢脸的，可耻的丢脸的，可耻的_adj.被人唾弃的被人唾弃的_n.优美优美,优雅优雅_adj.优雅优雅的的syn.3.evolutionn._adj.进化的，演变的进化的，演变的_v.进化，进化形成；逐渐形成，逐渐演变进化，进化形成；逐渐形成，逐渐演变4.generatev._n.一代一代,一辈一辈;产生产生distancedistantlydisgracefuldisgracedgracegracefulevolutionaryge

2、nerationevolveremote，farawayshame6.characteristicn._n.角色角色,字符字符_v.是是.的特征；以的特征；以.为类型为类型7.declinev.(近近)_8.gaintadj.(近近)_9.detectv._n.侦查侦查,探测探测;发觉发觉,发现发现;察察觉觉_n.侦探侦探_n.检测器检测器;探测探测器器;侦察器侦察器10.linkv.把把连接起来；联系，相关联；连接起来；联系，相关联；n.联系，连接；联系，连接；关系，纽带；交通路线关系，纽带；交通路线（近）（近）_reduce,decrease,cutdowndetectiondetecti

3、vedetectorcharactercharacterizehuge,enormous,vastconnect，associateStarting outKomodo dragon:(科莫多巨晰）科莫多巨晰）Komodo dragons were first encountered by Western researchers in 1910.The researchers said the ancestor of the Komodo dragon most likely evolved in Australia and spread westward,reaching the Indon

4、esian island of Flores 900,000 years ago.encountered遭遇（近：meet with,run into）偶遇，邂逅（近：come across）Duck-billed platypus（鸭嘴兽鸭嘴兽）The first scientists to examine a preserved(保藏的)platypus body judged it a fake in the late 18th century.The oldest discovered fossil of the modern platypus dates back to（追溯到）ab

5、out 100,000 years ago.preserve v.保护，维护，贮存 n.动物保护区Nautilus（鹦鹉螺）（鹦鹉螺）Fossil（化石）records indicate that the nautilus has survived relatively（相当地，相对地）unchanged for around 500 million years.That is why it is often given the name“living fossil.”1.How can seeds travel?2.How can this benefit plants?V 传播，移动传播，

6、移动How seeds travel?How can seeds travel?Seeds cane travel great distances by being carried by the _,upon the _,_ or _.windwateranimalspeople2.How can this benefit plants?Seeds have a _(better/worse)chance at life when they are _(closer/further)away from their parent plant.Growing too _(far/close)to

7、the parent plant means seeds might not get enough_,_and nutrients from the _.A species is _(more/less)likely to _ if its members are more _(closely/widely)spread.betterfurtherclosesunwatersoilmoresurvivewidelyExample Carried byFeatureHowMaple seedsWings that spin and keep them in the _ for longer,al

8、lowing them to _ in all kinds of placesDepending on the strength of the _,they can sometimes travel for _ _ kilometersCoconutsIts hard shell allows it to _ on the water for a long time.When a coconut _from a tree onto the beach,the sea picks it up and carries it away to _somewhere elseCherry Many pl

9、ants produce fleshy fruits that animals like to _Animals move especially _,so the seeds can easily end up a _way from the parent plant.Example Carried byFeatureHowMaple seedsWings that spin and keep them in the _ for longer,allowing them to _ in all kinds of placesDepending on the strength of the _,

10、they can sometimes travel for _ _ kilometersCoconutsIts hard shell allows it to _ on the water for a long time.When a coconut _from a tree onto the beach,the sea picks it up and carries it away to _somewhere elseCherry Many plants produce fleshy fruits that animals like to _Animals move especially _,so the seeds can easily end up a _way from the parent plant.windoceancurrentsanimalsairlandwindhundreds of floatfallsgroweatbirdslong