1. You must be sure that the sources of opinion testimony are trusted by your listeners because opinion testimony cannot be verified it must simply be accepted.TrueFalse2. Which of the following is a finding aid?brainstorminginternet browserreference librarianpersonal inventorymagnifying glass3. Reasoning by sign proceeds by:using specific instances to infer a general conclusion.showing that when one thing stands for another we can infer the existence of what it stands for.inferring that facts or opinions from a reliable source are accurate and trustworthy.using a powerful story to lead the audience to the conclusion one wants to support.arguing that two things that are basically alike in most respects will also be alike with respect to the issue at hand.4. Which of the following sources of information is more up-to-date than books?periodicalsinterviewsnewspapersInternet sourcesall of these