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 
The action involved in “to get around a problem” is to: 
The lexical item ´handy´ is used in “Here´s a handy list” (line 4) and “keep it handy” (line 26). In each instance it means respectively: 
The only alternative below which in the text conveys the meaning of ´manner´is: 
In the fragments of the text: “they may lose the desire to master whatever task you are asking them to do” (lines 12-13) and “then you have to do more than just present lessons in the app” (lines 18-19), the verb forms in bold express the ideas, respectively, of 
In the sentence of the text: “However, if you want people to continue using the app, and use it frequently and often, then you have to do more than just present lessons in the app” (lines 17-19), the connector However can be replaced, without any change in meaning, by 
The expression indie workers, found in lines 10 and 90, refers to
In the fragments “and to seek out collaboration within and across fields” (lines 36-37) and “the grouplet came up with a campaign based on posting episodes” (lines 65- 66), the expressions seek out and came up with mean, respectively,
In the text, the word in italics describes the idea expressed by the boldfaced word in
