All of the itens fit into the same category EXCEPT: 
“Weights and Measures laws in the US represent approximately 50 percent…” APPROXIMATELY is closest in meaning to 
Choose the item which is a measure: 
In “Here’s $100 to make sure” MAKE SURE is closest in meaning to: 
According to the previous text, judge the following items.
The word ‘changing’ (l.13) conveys the idea that threats are constantly evolving.
Among the many tasks, mentioned in the third paragraph, a police officer may perform in the line of duty, is to “secure evidence”. The phrase means, in Portuguese, the same as 
No trecho do último parágrafo – Police officers must be available for shift work at any time of day and any day of the week, including holidays. –, a palavra em destaque transmite a ideia de 
In “to me that’s not an audit, that’s a joint venture” (l.5), the word “that” refers to the situation mentioned before, that is, the same auditing firm being responsible for a client for too long a period of time. 
The expression “magic bullet” (l.23) could be correctly replaced by cure-all, wonder drug or perfect solution, without any change in its meaning. 
Based on the text, judge the following item.
In the text, the verb form “retrieve” (l.8) is synonymous with apply.