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Many people are optimistic about the 21st century and expect scientists to make positive changes to the world. To what extent do you agree or disagree with their optimism? What changes do you like to see in your new century?

#people #st #century #scientists #changes #world #optimism
There is a controversial notion heating a debate over the fact that numerous
people
 are optimistic about the 21st
century
 and hope for radical
changes
 brought by scientists. In my opinion, I consider myself as an advocate of
this
 statement and I look forward to seeing some effective tactics to protect the environment and Without a shadow of a doubt, there is a myriad of positive
changes
 in the 21st
century
, which makes
people
 more optimistic. Currently, experts have applied technology to invent various productions ranging from education to medication research that can help
people
 solve pressing issues without difficulties.
For instance
, a global disease named covid-19 seems to have no way to prevent it,
however
, researchers have produced some vaccines like AstraZeneca, Pfizer that reduce the mortality rates around the world.
Hence
, it is undeniable that positive development makes society optimistic in
this
 day and age.
Additionally
,
people
 really like to see positive
changes
 in
21th
Change the ending
21st
show examples
century
, especially the favourable
changes
 in the environment. Undoubtedly, there is a wealth of alarming environmental problems that pose a threat to the public's health
such
 as
air
 pollution, water contamination.
Hence
people
 should take action immediately by some small actions like planting more trees, using public transport rather than private vehicles.
For example
, China, a country with the worst
air
 quality during three decades in the 20th
century
, but there have been more positive alterations in the 21st
century
 because almost all vehicles in China use electricity
instead
 of gasoline to reduce
air
 pollution and by the beginning of the 21st
century
, the quality of
air
 increased significantly.
As a result
, a small switch in the citizens may bring drastic
changes
 in the country. To sum up, it is reasonable that
people
 are more optimistic and look forward to the redeeming feature by scientists. Through the shift of each person, the community can enjoy a healthier life.
Submitted by hoctotnha on

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Use a variety of complex and simple sentences

You should use complex sentences in your writing, but it does not mean that you should try to make all of our sentences complex.

‘Complex’ sentences are not actually very complex; they are just two or more simple sentences put together. Putting them together makes the essay more coherent and cohesive.

Examples:

I really want to study but I’m too tired.

I wore a warm coat because the weather was cold.

If action is not taken soon on climate change, global warming will get worse.

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Topic Vocabulary:
  • Breakthroughs
  • Incurable diseases
  • Rapid development
  • Vaccines
  • Technological advancements
  • Automation
  • Efficiency
  • Cautious optimism
  • Ethical issues
  • Artificial intelligence
  • Renewable energy
  • Climate change
  • Collaboration
  • Global issues
  • Wealth disparity
  • Innovative
  • Economic policies
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