Writing

CAE - Use of english

Exercise 1 - Part 1

For questions 1-8, think of the best word to complete each sentence.

The Secret Language of City Trees

For decades, urban planners assumed city trees lived isolated lives. However, recent research has (1) new light on how these plants adapt. It turns out that trees in urban parks manage to share resources via underground roots. This safety net (2) them with vital nutrients during droughts. (3) to what scientists previously thought, city trees are not entirely (4) from nature's network. In fact, when a tree is attacked by pests, it releases chemicals to alert its neighbors. This warning allows nearby trees to (5) immediate action by increasing their chemical defenses. This discovery has given architects valuable (6) into how to design greener environments. However, specialists are under no (7) about the challenges ahead. Urban pollution continues to threaten these trees, and its effects could easily (8) beyond what our current infrastructure can support.

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