在备战英语四级考试的征途中，填空练习的重要性不容忽视。它不仅是检验考生词汇与语法掌握程度的试金石，更是提升阅读理解和语言应用能力的重要途径。以下，我们以“城市生活与绿色空间的平衡”为英语四级选词填空真题示例，深入探讨这种练习在备考过程中的独特价值。

英文原文

Urbanization has brought about significant changes in our lives, transforming cities into bustling centers of commerce and culture. However, this rapid development has also led to a decrease in green spaces, leaving many city dwellers feeling disconnected from nature. The importance of preserving and creating more green areas in urban environments cannot be ______.

Research shows that access to green spaces has numerous benefits for both physical and mental health. People who live near parks or gardens tend to have lower stress levels and engage in more physical activity, such as walking and jogging. These spaces also serve as natural habitats for wildlife, helping to ______ biodiversity.

But maintaining green spaces in cities is not without challenges. Limited land availability and the high cost of land acquisition are major obstacles. Additionally, some urban planners prioritize commercial and residential development over environmental considerations, which can ______ the need for green spaces.

To address these issues, cities around the world are exploring innovative solutions. One approach is to incorporate green roofs and vertical gardens into building designs, maximizing the use of limited space. Another is to create community gardens, where residents can grow their own food and ______ a sense of community.

Options:
A. overlooked
B. underestimated
C. promote
D. foster

文章概要

本文讨论了城市化对绿色空间的影响以及在城市中保留和增加绿色空间的重要性。城市化虽然带来了经济和文化上的繁荣，但也导致了绿色空间的减少。研究表明，接触绿色空间对身心健康有益。然而，在城市中维护绿色空间面临诸多挑战，如土地有限和成本高。为了应对这些问题，世界各地的城市正在探索创新解决方案，如建造绿色屋顶和垂直花园，以及建立社区花园。

答案

B. underestimated

C. promote

A. overlooked

D. foster

解析

underestimated：此处指在城市环境中保护和创造更多绿色空间的重要性不应被低估（underestimated），强调了其重要性。

promote：绿色空间作为野生动物的栖息地，有助于促进（promote）生物多样性，即增加物种的多样性和丰富度。

overlooked：一些城市规划者可能会忽视（overlooked）对绿色空间的需求，优先考虑商业和住宅开发。

foster：在社区花园中，居民可以种植自己的食物，并培养（foster）社区意识，即增强彼此之间的联系和归属感。

通过以上解析，可以看出英语四级选词填空不仅考察词汇知识，还涉及对文章整体内容的理解和逻辑推理能力。希望这个示例能够帮助你更好地准备英语四级考试。