An exercise with heterogeneity gives no opportunity for the really advanced students to exercise their capacity.（）

判断题Verbal presentation of new words means that the meaning of a second language word is demonstrated through concrete objects, visual aids, or through mime and acting.（）

判断题Semantization means that every new word should be presented in such a way that its meaning becomes clear to the learner.（）

判断题The relationship between the spoken and written word is identical in English.（）

判断题Metaphor is a way of talking about one thing in terms of another. It is a device for creating and extending meaning.（）

判断题Techniques for grouping items of vocabulary fall into three general categories: semantic fields, phonological sets and grammatical sets. Grouping items related by topics, for example, types of fruit, belongs to the semantic fields.（）