Duolingo English Test Academic Word List Quiz

A "lucid" explanation is one that is clear and easy to understand, often characterized by logical reasoning and straightforward language. In this context, the professor's ability to simplify a complex theory demonstrates effective communication skills, allowing students to grasp difficult concepts without confusion.

A "systematic" approach implies a methodical and organized way of conducting research, which is essential for achieving significant and reliable results. This contrasts with the other options, suggesting randomness, outdated methods, or insignificance, all of which would not typically lead to groundbreaking discoveries.

Disparity refers to a noticeable difference or inequality between two concepts or theories. In this context, the significant differences between the two theories likely led to contrasting viewpoints and discussions among scholars, fueling academic debate and highlighting the complexities of the subject matter.

In an academic context, "ambiguous" refers to something that is unclear or open to multiple interpretations. The term "vague" captures this essence, as it indicates a lack of precision or clarity. In contrast, "clear," "definite," and "explicit" imply certainty and specificity, which are opposite to the meaning of "ambiguous."

Comprehensive policies are designed to tackle economic inequality in a holistic manner, addressing various interconnected factors such as education, healthcare, housing, and employment. By implementing a wide-ranging approach, the government aims to create sustainable solutions that benefit all segments of society, ensuring equitable access to resources and opportunities for everyone.

'Substantiate' means to provide evidence or support for a claim. In the correct sentence, "The data will substantiate our hypothesis," it indicates that the data will provide the necessary evidence to support the hypothesis, demonstrating the appropriate use of the term. The other options misuse the word in various contexts.

The scientist's remarks were relevant and directly related to the topic at hand, highlighting important issues that challenged the validity of previous studies. By using "pertinent," it emphasizes that the comments were not only appropriate but also critical for understanding the flaws or gaps in the earlier research.

In academic writing, "mitigate" refers to the process of making something less severe, serious, or painful. It involves taking steps to lessen the impact or negative effects of an issue rather than eliminating it entirely. This term is often used in discussions about risks, problems, or challenges to indicate a reduction in intensity or severity.

The author's tone reflects doubt and critical thinking regarding the proposed solution, indicating a lack of confidence in its effectiveness. By using a skeptical tone, the author encourages readers to question the validity of the solution rather than accepting it at face value. This approach fosters a more analytical perspective on the issue at hand.

"Salient" refers to something that is prominent or significant, making it an ideal choice to describe the study's results. In this context, it emphasizes that the findings are important and should be considered by policymakers, contrasting with terms like "inconsequential" or "negligible," which imply a lack of importance.

The term "urgent" describes a situation that demands prompt action or attention. In this context, it emphasizes the critical and time-sensitive nature of the problem, indicating that delaying intervention could lead to worsening consequences. Thus, immediate action is necessary to address the issue effectively.

In an academic context, "corroborate" refers to the act of providing additional evidence or support to strengthen a claim or argument. It emphasizes the importance of validating information through reliable sources or data, thereby enhancing its credibility and reliability in scholarly work.