上教版 (2020)选择性必修第一册Culture focus优秀ppt课件

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仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而
We experience the wrld thrugh ur senses. Different peple perceive the wrld differently; animals, meanwhile, can see, hear and smell things that human beings are unable t ntice.In this sectin, yu will first read an excerpt where a famus writer describes a frightening experience during a hike, and hw we perceive things differently when we are far ut in the wds. Yu will then watch a vide abut hw spiders build amazing webs with micrscpic thread that humans can barely see.
Discuss in grups and answer the questins.
Have yu ever gne camping? If s, where did yu g? Did yu have a gd time?
Read the passage and decide whether the fllwing statements are true (T) r false (F). Crrect the false nes.
(1) Bill usually slept very well when camping.(2) Everything sunded big in the wds because there were wild animals utside the tent.
(3) Katz shuted at the animal in rder t frighten it away.(4) Bill pulled his tent nearer t Katz's s that he culd climb int his tent.
(5) The battery in the trch was used up, s Bill had t use a miner's lamp.(6) In the end the animals left, but Bill was still very wrried.
Read the passage again. What happened t Bill and Stephen that night? What kind f persnalities d they have? Find details in the passage that describe hw Bill and Stephen reacted. Then cmplete the table and reprt the results t the class.
Use yur imaginatin and write a paragraph starting with "Suddenly I heard anther sund and it was very near.
Start thinking
Answer the questins.(1) Hw d yu think a spider catches its prey?(2) What is special abut the spider's web?
Cmprehensin check
Watch the vide and answer the questins.(1) Hw lng is the Humber Bridge?(2) What is the similarity between the Humber Bridge and the spider's web?
Watch the vide and answer the questins.(3) Hw lng have spiders lived n earth?(4) Hw lng can a spider prduce silk in ne cntinuus thread?
Watch the vide and answer the questins.(5) What engineering tricks have we learnt frm spiders?
Cmplete the text with the wrds belw.A spider is a very capable engineer and the spider's web is truly an engineering 1)__________. First, a spider can prduce silk in ne cntinuus thread.
• junctins • miracle • stretch• sticky • secret • curled
Cmplete the text with the wrds belw.Secnd, it can prduce different types f silk, including 2)____________ sheets and an incredibly strngsingle thread. The 3)_________f the spider's web lies in the water drplets at the 4)________ in which strands f web are tightly 5)_________
Cmplete the text with the wrds belw.When a fly hits the web, these strands will straighten ut s that the web can 6)__________withut breaking.
Wrk in grups. (1) In yur grup, brainstrm a list f animals with special features which enable them t survive in nature.(2) Chse an animal with unique features. Research hw this enables it t survive, and hw it has inspired humans t develp new technlgies.
Wrk in grups. (3) Write a paragraph t describe yur findings.(4) Present yur findings t the class and vte n the mst interesting presentatin.