कौन सा विकल्प पाठ को सबसे तार्किक रूप से पूरा करता है? कई मच्छर भगाने वाली दवाओं (repellents) में प्राकृतिक घटक होते हैं जो मच्छरों के एंटीना पर कई गंध रिसेप्टर्स को सक्रिय करके काम करते हैं। जैसे-जैसे कीड़े प्रतिरोध विकसित करते हैं, नए रिपेलेंट्स की आवश्यकता होती है। के डोंग और उनकी टीम ने पाया कि गुलदाउदी (chrysanthemum) के फूल के अर्क का एक आणविक घटक, EBF, केवल एक गंध रिसेप्टर को सक्रिय करके मच्छरों को भगा सकता है—और यह रिसेप्टर, Or31, बीमारियों को ले जाने के लिए जानी जाने वाली सभी मच्छर प्रजातियों में मौजूद है। इसलिए, शोधकर्ताओं का सुझाव है कि नए रिपेलेंट्स विकसित करने में, यह सबसे उपयोगी होगा कि _________।

Which choice most logically completes the text? Georgia Douglas Johnson wrote many plays in the 1920s and 1930s. At the time, professional theater companies rarely put on plays by Black women, so few of Johnson’s plays made it to the stage. Only a small number of her plays were published in her lifetime. But that doesn’t me an that Johnson never learned what other people thought of her plays. Johnson hosted weekly get-togethers for fellow Black writers and ar tists in her Washington, D.C., home. Attendees would read and discuss one another’s work, including Johnson’s own. These gatherings could therefore serve as _________.

Which choice most logically completes the text? In documents called judicial opinions, judges explain the reasoning behind their legal rulings, and in those explanations they sometimes cite and discuss historical and contemporary philosophers. Legal scholar and philosopher Anita L. Allen argues that while judges are natura lly inclined to mention philosophers whose views align with their own positions, the strongest judicial opinions consider and rebut potential objections; discussing philosophers whose views conflict with judges’ views could th erefore _________.