高中英语Unit 4 Space Exploration课前预习ppt课件

这是一份高中英语Unit 4 Space Exploration课前预习ppt课件，共16页。
ECOSOC Yuth Frum 2021
Cuntries arund the glbe are spending billins f dllars and lts f time n varius space missins.
Nwadays, the main threats t ur well-being are the damaged envirnment, hunger, fatal diseases and s n.
Shuld we spend s much time, mney and even lives t explre space?
Is explring space a waste f time and mney?
During space explaratin, there are hugh risks which may cause deaths r disasters.
Skim the passage quickly and wrk ut the structure.
1.What is the authr’s pint?2.Hw des the authr develp his pint?3.D yu think it is a gd and persuasive argumentative essay? Why?
Read the passage carefully and answer the questins.
The authr argues that explring space has benefitted us a lt thus it shuld cntinue.
The authr develps his pint by giving arguments in 3 different aspects.
already made a difference in the fight against wrld hunger.
already prmted technlgical imprvements that benefit us all.
helped peple t think abut the wrld’s prblems and even t find ways t slve them.
prper cnjunctins(lgical wrds)
3.D yu think it is a gd and persuasive argumentative essay? Why?
As a result
Fr example
In the future
clear structure
parallel sentences
Writing Techniques
A.giving examples B.making cmparisns r cntrastsC.making graphsD.using qutsE.listing data r numbersF.giving explanatins
prper writing techniques
A.There are a lt f unslved mysteries n Earth. S why are we ging int space t explre?B.It is necessary t find a new hme fr peple in space, as the resurces n Earth will run ut.C.I cannt understand spending all this mney n expensive research and experiments when s many peple need space encurages scientists t imprve technlgy that can help peple in ther ways, t.
Are the statements FOR r AGAINST space explratin?
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Yur pinin + supprting details
I cannt understand spending all this mney n expensive research and experiments when s many peple need fd. Arund the wrld, millins f peple are hungry and dying f starvatin. On the ther hand, we hear n TV that fr as little as a dllar a day, a child in Africa can be saved. Cnsidering the billins spent n space travel, it just seems a better investment t feed he hungry.
pssible versin1
Ever since space research began, it has been criticized as a huge waste f mney and ther resurces. Despite the disadvantages and ptential dangers, the advantages are far greater. We have already succeeded in using satellites fr cmmunicatins, weather frecast and il explratin and with further space research, mre prblems we are having nw can be slved. Space explratin cntributes nt nly t the imprvement f the quality f human life, but als t ur understanding f all the creatures.
pssible versin2