The examiner is a open type test system. Users is gave a free hand with answers' formulating.
A teacher must formulate a questions and an answers. Users will not see the answers and must formulate it by themselves.
The answers consist a keys each of which may be a sentence, a combination of words, a word, a part of a word, etc. Right answer for a question must content all of keys.
Each key gives to user an appointed mark. All keys can have one or more variants. A mention of one of variants is enough for user to have a mark. |