9 Correlation (n) - a connection or relationship between two or more facts, numbers,
etc.
Example: There’s a correlation between smoking and cancer 10 Supervise (v) (B2) - to watch a person or activity to make certain that everything is
done correctly, safely, etc.
Example: The UN is supervising the distribution of aid by local agencies in the disaster area. Example: The children play while two teachers supervise (= make certain that they behave correctly and are safe). 11 Compound (v) - to make a problem or difficult situation worse
Example: His financial problems were compounded when he unexpectedly lost his job. Example: Severe drought has compounded food shortages in the region. 12 Rail (v) - to complain angrily
Example: He railed against the injustices of the system. 13 Tendency (n) - if there is a tendency for something to happen, it is likely to happen
or it often happens
Example: There is a tendency for unemployment to rise in the summer. 14 Multi-tasking (n) - a person’s ability to do more than one thing at a time
Example: Women are often very good at multitasking. 15 The bottom line (C2) - the most important fact in a situation
Example: The bottom line is that we need another ten thousand dollars to complete the project. 16 Consolidate (v) - to become, or cause something to become, stronger, and more
certain
Example: The success o f their major product consolidated the firm’s position in the market.