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?

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For the time being, alterations made by scientists of the 21st century have never failed to provoke debates among
people
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. While some
people
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are content with the current standard of living and tend to depend on technical advances, an opposing point of view is that not all these changes to lives are positive. In my opinion, a myriad of things have been improved but there are still some unresolved issues. Without a doubt, the twenty-
first
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century has been a pivotal event in healthcare research thanks to breakthrough medicines. Apparently, the breakdown of
COVID-19
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the COVID-19
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epidemic has spread rapidly over the world, putting pressure on civilization to take immediate action to prevent the spread of losses.
Nevertheless
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, a diverse group of chemists has banded together to conduct a flood of scientific research in the hopes of finding effective solutions for
this
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pressing problem.
For example
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, a high death toll stemming from the Covid-19 epidemic has been alleviated since companies
such
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as Pfizer and AstraZeneca invented a variety of vaccinations for inhabitants to be using.
Therefore
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, it is
such
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a positive influence for dwellers to enhance their living standards due to the great healthcare situations. Despite a wealth of outstanding effective developments in science, some pressing problems regarding the environment have to be immediately mentioned. As a law-abiding inhabitant in a big megacity, what excites me tremendously is witnessing the positive changes
as
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apply
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for the new century in order to improve my living standards.
Therefore
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, governors and ordinary dwellers could certainly make more effort to reduce the urgent air pollution. To be specific, the government could introduce laws to limit emissions from factories as well as impose green taxes on drivers and airline companies
such
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as encouraging
people
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to use public transport rather than take flights abroad and so on. Undeniably, the positive shifts in the near future were not only invented by great scientists but
also
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by law-abiding
people
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. In conclusion, while it is reasonable for citizens to believe in beneficial changes made by scientists in the twenty-
first
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-century healthcare system, researchers should focus their efforts on developing effective solutions to alleviate the serious environmental challenges.
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Include an introduction and conclusion

A conclusion is essential for IELTS writing task 2. It is more important than most people realise. You will be penalised for missing a conclusion in your IELTS essay.

The easiest paragraph to write in an essay is the conclusion paragraph. This is because the paragraph mostly contains information that has already been presented in the essay – it is just the repetition of some information written in the introduction paragraph and supporting paragraphs.

The conclusion paragraph only has 3 sentences:

  • Summary
  • Restatement of thesis
  • Prediction or recommendation

Example:

To summarize, a robotic teacher does not have the necessary disciple to properly give instructions to students and actually works to retard the ability of a student to comprehend new lessons. Therefore, it is clear that the idea of running a classroom completely by a machine cannot be supported. After thorough analysis on this subject, it is predicted that the adverse effects of the debate over technology-driven teaching will always be greater than the positive effects, and because of this, classroom teachers will never be substituted for technology.

Start your conclusion with a linking phrase. Here are some examples:

  • In conclusion
  • To conclude
  • To summarize
  • Finally
  • In a nutshell
  • In general

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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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