Each phrase has to be true or the entire sentence is false. Research has shown that statements containing the words all, only, always and because are generally false.
Statements containing the words none, generally, and usually are generally true.
If you are stuck - think through the problem in its simplest form. Take a minute or two to list what you know about each question, use one word or short phrase and jot down relevant facts, formulas, names and dates. You will do as well, or as poorly as you expect to do. Therefore, do everything you can to bolster your confidence. Hints for Taking Multiple - Choice Tests Remember that a perfect answer may not be given as a choice.