Match the lexical items with the corresponding definitions by numbering Column II according to Column I.
The correct sequence downwards is
Without altering the meaning of text 6A6BBB, the expression “covert signals” (l.3) could be replaced by 
In the fragment of Text I “The simplest and most reliable way to mitigate damage from oil operations would be to prohibit oil extraction in the tropical rainforest” (lines 18-20), the word mitigate can be replaced, with no change in meaning, by 
In the fragment of Text I “In arriving at a solution many issues must be addressed, including the resolution of conflicting claims to land considered to be in the public domain” (lines 94-97) the terms issues, addressed, claims correspond to the following meanings: 
In the fragment of the text “the researchers discovered a range of microscopic organisms from the ocean”, the word range is closest in meaning to: 
In the fragment of the text “people have managed to live with such unpredictable and destructive occurrences”, the adjectives unpredictable and destructive can be replaced with no change in meaning, by: 
In text 9A4BBB, pretend (í.14) is synonymous with 
In text 9A1CCC, the word off-putting (l.8) means causing a feeling of 