In the following passage some words have been deleted. Read the passage carefully and select the most appropriate option for each blank.
The Amazon rainforest is an awe-inspiring natural wonder that (1)_________ across several South American countries, including Brazil, Peru, Colombia, and Ecuador. Covering an (2)________ area of 5.5 million square kilometres, it is the largest tropical rainforest on Earth. The Amazon jungle is (3)_________ for its remarkable biodiversity, harbouring an astonishing array of plant and animal species that are still being discovered and studied. The dense vegetation of the jungle creates a (4)________ and complex ecosystem, supporting countless species and providing crucial ecosystem services such as carbon sequestration and climate regulation. It is also home to (5)__________ communities that have thrived within its rich confines for centuries, preserving their traditions and deep connection to the land.
Read the given passage and answer the question that follows.
We started our research into organisational and personal excellence by studying a slightly different topic. We figured that if we could learn why certain people were more effective than others, then we could learn exactly what they did, clone it and pass it on to others. We asked people to identify who they thought were their most effective colleagues. In fact, over the past twenty-five years, we have asked over twenty thousand people to identify the individuals in their organisations who could really get things done. We wanted to find those who were not just influential but who were far more influential than the rest.