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Exercise 1
Read each group of sentences carefully. Choose the one sentence that is correctly punctuated, capitalized, and spelled. The other sentences contain errors in punctuation, capitalization, or spelling that are typical in academic writing about science and technology.
Example: Which sentence is correct?
A) the rapid advancement of artificial intelligence raises significant ethical questions about accountability.
B) The rapid advancement of Artificial Intelligence raises significant ethical questions about accountability.
C) The rapid advancement of artificial intelligence raises significant ethical questions about accountability.
D) The rapid advancement of artificial intelligence raises significant, ethical questions about accountability
Answer: C) The rapid advancement of artificial intelligence raises significant ethical questions about accountability.

How to Write a Discursive Essay: The Ethics of Scientific and Technological Progress
A discursive essay at C1 level requires you to examine a complex issue from multiple perspectives, evaluate competing arguments with critical precision, and arrive at a justified, nuanced conclusion. Unlike a simple opinion essay, a C1 discursive essay demands sophisticated reasoning, advanced cohesive devices, and a consistently formal register throughout.
The ethics of scientific and technological progress is a rich and highly relevant topic that appears frequently in Cambridge C1 Advanced (CAE) examinations. You might be asked to evaluate the moral responsibilities of scientists, debate the societal impact of artificial intelligence, or assess whether the pace of technological innovation has outstripped our capacity for ethical reflection. This type of writing task challenges you to engage intellectually with real-world dilemmas, moving well beyond surface-level observation.
Real-life contexts where this writing skill is used:
- Academic essays submitted at university level
- Opinion pieces contributed to journals or broadsheet newspapers
- Formal written arguments prepared for debate or policy discussion
- Cambridge C1 Advanced (CAE) Writing Paper, Part 1 (compulsory essay)
Essential Writing Rules and Sentence Structure
1. Complex Sentence Construction
At C1 level, you must move decisively beyond simple Subject + Verb + Object patterns. Sophisticated sentence construction is a core examiner expectation. Combine non-finite participle clauses, inversion, and cleft sentences to vary your syntactic register.
- Non-finite participle clauses: "Having considered the full breadth of ethical implications, one must conclude that unchecked innovation poses a genuine societal risk."
- Inversion for emphasis: "Seldom has the pace of technological development given rise to such profound moral uncertainty."
- Cleft sentences for focus: "What remains incontrovertible is that scientific advancement without ethical governance is inherently dangerous."
2. Nominalisation
Replace verb-heavy constructions with noun phrases to achieve an academic, impersonal tone. This is one of the clearest markers of C1 writing quality.
- ❌ "When scientists develop technologies quickly, it can disrupt society."
- ✅ "The rapid development of new technologies has the potential to cause significant societal disruption."
3. Passive Reporting Constructions
Use passive structures to maintain objectivity and signal academic register.
- "It is widely contended that genetic modification raises profound ethical questions."
- "The long-term consequences of artificial intelligence are purported to be far-reaching."
4. Punctuation Precision
- Use a semicolon between two closely related independent clauses: "The benefits of biotechnology are undeniable; its ethical ramifications, however, remain deeply contested."
- Use a comma after sentence adverbs and fronted discourse markers: "Notwithstanding this, a compelling case can be made for greater regulatory oversight."
- Use commas to bracket parenthetical clauses: "The committee, having reviewed all available evidence, concluded that further research was essential."
Useful Linking Words and Connectors
The following connectors are essential for structuring a sophisticated C1 discursive essay. Use them to signal logical relationships between ideas, guide the reader through your argument, and demonstrate command of academic discourse.
| Connector | Function / Use | Example Sentence |
|---|---|---|
| Notwithstanding | Conceding a point whilst maintaining a contrasting position | Notwithstanding the significant medical advances made possible by gene editing, its ethical implications cannot be dismissed. |
| Albeit | Introducing a concession with a qualifying nuance | Artificial intelligence offers considerable efficiency gains, albeit at a cost to human employment and autonomy. |
| Inasmuch as | Indicating the degree or reason for a claim | The policy is commendable inasmuch as it seeks to regulate the most dangerous applications of biotechnology. |
| In light of the prevailing evidence | Drawing a conclusion based on available information | In light of the prevailing evidence, a moratorium on certain genetic technologies appears entirely justified. |
| Be that as it may | Acknowledging a point before asserting a stronger counterargument | Be that as it may, the overriding priority must be the protection of human dignity and welfare. |
| To substantiate this contention | Introducing supporting evidence or elaboration | To substantiate this contention, one need only examine the regulatory failures that preceded recent data privacy scandals. |
| Upon rigorous evaluation | Signalling a carefully considered judgement | Upon rigorous evaluation, it becomes apparent that technological progress and ethical accountability are not mutually exclusive. |
| In spite of the foregoing | Contrasting with previously stated information | In spite of the foregoing arguments, a substantial body of opinion holds that innovation must not be stifled by excessive regulation. |
| A compelling case can be made for | Introducing a well-supported position diplomatically | A compelling case can be made for the establishment of an independent international ethics committee overseeing emerging technologies. |
| All things considered | Introducing a balanced, synthesising conclusion | All things considered, the most defensible position is one that embraces innovation whilst demanding rigorous ethical scrutiny. |
Model Writing Sample: Should Scientific Progress Be Subject to Ethical Constraints?
The following model essay responds to a typical Cambridge C1 Advanced (CAE) Part 1 essay prompt: "Some people believe that scientific and technological progress should proceed without restriction, while others argue that ethical constraints are essential. Discuss both views and give your own opinion." (Target: 220–260 words)
[Opening — Thesis and Context]
Seldom has the relationship between scientific innovation and moral responsibility attracted such intense public scrutiny as it does today. While proponents of unrestricted progress argue that imposing ethical constraints inevitably impedes discovery, a growing chorus of voices contends that unchecked advancement poses an unacceptable risk to both individual rights and societal cohesion.
[Body Paragraph 1 — First Perspective]
Those who advocate for minimal regulation frequently cite the transformative breakthroughs made possible by scientific freedom. The rapid development of mRNA vaccines during the COVID-19 pandemic, for instance, demonstrated that expedited research — relatively unencumbered by bureaucratic constraints — can yield life-saving outcomes. On the premise that excessive oversight stifles creativity, this perspective carries considerable weight.
[Body Paragraph 2 — Competing Perspective with Critical Evaluation]
Notwithstanding this, closer scrutiny reveals significant shortcomings in such reasoning. The deployment of surveillance technologies, the controversial manipulation of human embryonic DNA, and the unchecked proliferation of autonomous weaponry all serve as sobering illustrations of what occurs in the absence of robust ethical governance. It was the lack of adequate regulatory foresight that precipitated several of the most damaging technological crises of the past decade.
[Conclusion — Nuanced Synthesis and Justified Position]
All things considered, what remains incontrovertible is that scientific progress and ethical accountability need not be mutually exclusive. A compelling case can be made for the establishment of internationally coordinated oversight bodies capable of balancing innovation with human dignity. Upon rigorous evaluation, it is this equilibrium — rather than either extreme — that represents the most defensible and sustainable path forward.
Word count: 248 words
Annotated Breakdown of the Model Essay
| Section | Function | Key Features to Notice |
|---|---|---|
| Opening paragraph | Establishes the debate, introduces both positions, and signals the essay's direction | Inversion ("Seldom has..."), nominalisation ("moral responsibility"), formal register throughout |
| Body paragraph 1 | Presents the first viewpoint (pro-freedom) with a concrete example | Hedging language ("carries considerable weight"), specific real-world example, passive construction |
| Body paragraph 2 | Introduces and critically evaluates the opposing view with stronger supporting evidence | "Notwithstanding this" signals shift; cleft sentence ("It was the lack of..."); three parallel examples demonstrating range |
| Conclusion | Synthesises both positions, justifies a nuanced personal stance | Cleft sentence ("what remains incontrovertible"), "A compelling case can be made for", avoids one-sided dogmatism |
Key Phrases and Sentence Starters
Introducing the Topic and Framing the Debate
- "Seldom has [topic] attracted such widespread and contentious debate as..."
- "The question of whether [X] raises profound ethical questions that demand careful consideration."
- "It is widely contended that [position], whilst an equally substantial body of opinion holds that [counterposition]."
- "Few issues in contemporary discourse are as ethically charged as the question of..."
Presenting Arguments and Evidence
- "To substantiate this contention, one need only consider..."
- "On the premise that [assumption], proponents of this view argue that..."
- "The findings are purported to demonstrate that..."
- "In light of the prevailing evidence, it would appear that..."
- "A case in point is the [example], which clearly illustrates that..."
Contrasting and Conceding Points
- "Notwithstanding this, a closer examination reveals that..."
- "While this may superficially appear convincing, closer scrutiny reveals significant shortcomings."
- "Albeit a persuasive argument, this position fails to account for..."
- "Be that as it may, the overriding concern must remain..."
- "In spite of the foregoing, it would be misguided to conclude that..."
Justifying a Personal Position
- "It was [cause] that precipitated [consequence], lending considerable credence to the argument that..."
- "What remains incontrovertible is that..."
- "Having weighed the contradictory evidence, one must conclude that..."
- "A compelling case can be made for [position], given that..."
Concluding and Synthesising
- "All things considered, the most defensible position would appear to be..."
- "Upon rigorous evaluation, it becomes apparent that..."
- "To recapitulate, both perspectives possess merit; however, the weight of evidence suggests..."
- "It is this equilibrium — rather than either extreme — that represents the most sustainable path forward."
Common Writing Mistakes to Avoid
❌ "Science is moving fast and because of this we need ethics, but some people don't agree with this."
✅ Avoid comma splices, vague pronouns, and informal phrasing. Write instead: "The acceleration of scientific development has intensified calls for ethical governance, notwithstanding the persistent opposition of those who prioritise innovation above regulatory constraint." — This uses nominalisation, a sophisticated connector, and maintains formal register throughout.
❌ "Despite of the risks involved, scientists keep going ahead with experiments."
✅ "Despite" is never followed by "of". Write: "Despite the considerable risks involved, researchers continue to pursue experimental programmes with minimal external oversight." — Note also the collocational upgrade: "pursue experimental programmes" rather than "keep going ahead with experiments".
❌ "In conclusion, I think that ethics are really important and science should not do whatever it wants."
✅ Avoid colloquial expressions ("really important", "do whatever it wants") and first-person informality in discursive essays. Write: "All things considered, ethical accountability must be regarded as an indispensable counterpart to scientific ambition, rather than an impediment to discovery."
❌ "The scientist's, who developed the vaccine were not thinking about the consequences."
✅ Do not insert a comma between a subject and its verb, and ensure apostrophes are used correctly. Write: "The scientists who developed the vaccine are purported to have given insufficient consideration to the broader ethical consequences of their work." — No comma after "scientists"; the relative clause is restrictive and requires no commas.
❌ "Furthermore, moreover, in addition, scientists have also discovered..."
✅ Do not stack multiple additive connectors together. Choose one connector appropriate to the logical relationship: "Furthermore, recent discoveries in neurotechnology have introduced an additional layer of ethical complexity."
Writing Checklist and Practice Task
C1 Discursive Essay Writing Checklist
| Criterion | Check |
|---|---|
| Have I written between 220 and 260 words? | ☐ |
| Does my opening paragraph frame the debate clearly without stating my conclusion immediately? | ☐ |
| Have I presented both perspectives fairly before evaluating them critically? | ☐ |
| Have I used at least one example of inversion, one cleft sentence, or one non-finite participle clause? | ☐ |
| Have I used nominalisation rather than verb-heavy, informal constructions? | ☐ |
| Have I used a range of sophisticated cohesive devices (e.g. "notwithstanding", "albeit", "inasmuch as")? | ☐ |
| Is my register consistently formal throughout (no colloquialisms or contractions)? | ☐ |
| Have I used semicolons, parenthetical commas, and passive reporting verbs correctly? | ☐ |
| Does my conclusion synthesise both views and justify a clear, nuanced position? | ☐ |
| Have I avoided stacking connectors and used collocations with precision? | ☐ |
Practice Writing Task
Read the following Cambridge C1 Advanced (CAE)-style essay prompt and write your response in 220–260 words.
Essay Prompt:
Your class has attended a lecture on the ethics of emerging technologies. Your lecturer has asked you to write an essay in response to the following statement:
"Artificial intelligence and biotechnology will ultimately do more harm than good unless governments impose strict ethical boundaries on their development."
Write an essay for your lecturer discussing two of the comments below, explaining which aspect you feel is most important to consider.
- Comment 1: "Without regulation, corporations will prioritise profit over human welfare."
- Comment 2: "Excessive government control risks suppressing the very innovation that could solve humanity's greatest challenges."
- Comment 3: "The ethical implications of these technologies are simply too complex and unpredictable to regulate effectively."
Use the model essay, key phrases, and checklist above to guide your writing. Aim to demonstrate a range of sophisticated grammatical structures, collocational precision, and a balanced yet clearly justified conclusion.
Now test your writing mechanics and sentence skills in the exercises below.
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