IELTS CEFR MULTILEVEL TOEFL TKT

Urban transportation systems have evolved significantly in recent years. Many cities have expanded their public transport networks to reduce congestion, but some areas still struggle with traffic problems. While electric buses and trains are becoming more common, traditional fuel-powered vehicles remain widely used. Some experts argue that cycling infrastructure is essential for sustainable cities, yet investment in bike lanes varies widely across different regions. Although car-sharing services have grown in popularity, not all residents find them convenient due to cost and availability. Government policies often encourage the use of eco-friendly transport, but enforcement of these policies differs from one city to another.

Academic success often depends on a student’s ability to review their own work before submission. While some institutions mandate a thorough self-check, others leave it to the students' discretion. Teachers typically assess final projects, but the review process varies—some may involve multiple educators, while others rely on a single evaluator. Carefully reading exam instructions is generally advised to prevent unnecessary mistakes, though not all students follow this recommendation. In the corporate world, managers evaluate diverse reports, covering financial, operational, and performance metrics, rather than focusing solely on one aspect. In scientific research, results are usually scrutinized for accuracy, yet in complex studies, verification may extend beyond the original research team, sometimes involving independent specialists.