When it is your turn to speak, you should hurry to the front of the room and start talking immediately so you don't lose the audience's attention?

That statement is False

Being too hurried would give the impression that you do not had confidence, which make it much harder for the audiences to trust your word. When it's your turn, you should walk slowly and posture up your shoulder straight forward, and start to make introduction of yourself before getting into your topic. This behaviour command attention and display confidence at the same time.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

they could have terrible tropical storms which will destroy the crops in the colonies