The following is a summary:
1. If only 90% is F, 10% is ng. for example, "only, all, most" is a comparison of adjectives with the highest level. Absolute words such as "Always, invariably, and usually" appear in the original text. Generally, F is used.
2. The original text limits the Theoretical Discipline (such as the field or scope, person name, country name and time). The above restrictions are removed from the question.
3. NG: In Ng, a frequent test site is "no less than a". Remember that this is equivalent to "A + 1 ".
4. The original Article contains "It is predicted (already Ted, anticipated) that", and the questions include "Real, truth, fact!
5. In the original text, the clause with the condition clause may include "If (provided that), but for (condition t for) if not (unless), but that (condition t that) "Or a prefix or adjective phrase that indicates a condition restriction. F is used to remove any restriction from the question.
6. In the original article, there is thing a or State A. in the question, there is only thing a or State A. This is ng. in addition, the original article contains "vow, promise, swear, pledge" + action status. The above restrictions are removed from the question. This is also ng.